🔖 :: Bump version

https://www.amerhukic.com/how-to-add-carthage-support-in-existing-cocoapod-project

.github/workflows/continuous-integration.yml

@@ -24,7 +24,7 @@ jobs:
   # This workflow starts with a job called "build-and-test".
   build-and-test:
     name: Build & Test
-    runs-on: macos-latest
+    runs-on: macos-12
 
     # Steps represent a sequence of tasks that will be executed as part of the job.
     steps:

.swift-version

@@ -1 +1 @@
-5.1
+5.5

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CHANGELOG.md

@@ -7,6 +7,43 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 ## [Unreleased]
 
+## [2.3.5] - 2022-12-09
+### Fixed
+ - Fixed wrong minimum iOS deployment target when using Carthage.
+
+## [2.3.4] - 2022-11-09
+### Fixed
+ - Added missing `UIKit` import when using Swift Package Manager.
+
+## [2.3.3] - 2022-08-09
+### Changed
+ - Added specific Bézier Path for `NotchGradientLoadingBar` for "iPhone 14" and "iPhone 14 Plus"
+
+## [2.3.2] - 2022-08-09
+### Changed
+ - Improved Bézier Path of `NotchGradientLoadingBar`
+ - Adapt logic of `UIKit` variant for calculating and animating the gradient to `SwiftUI` variant. This should not make any difference visually, but will be easier to maintain.
+### Fixed
+ - Fixed incorrect layout on `NotchGradientLoadingBar` when using "iPhone 12 Mini" or "iPhone 13 Mini"
+
+## [2.3.1] - 2022-10-05
+### Fixed
+ - Fixed incorrect layout on `NotchGradientLoadingBar` when using "iPhone 11 Pro" or "iPhone 11 Pro Max" ([#029])
+
+[#029]: https://github.com/fxm90/GradientLoadingBar/issues/29
+
+## [2.3.0] - 2022-06-05
+### Added
+ - Add `GradientLoadingBarView` to support SwiftUI
+
+## [2.2.5] - 2022-27-03
+### Fixed
+ - Fixed incorrect layout on `NotchGradientLoadingBar` when using "iPhone 11"
+
+## [2.2.4] - 2022-16-03
+### Fixed
+ - Fixed incorrect layout on `NotchGradientLoadingBar` when using "iPhone XR"
+
 ## [2.2.3] - 2021-29-12
 ### Fixed
  - Fixed incorrect layout on `NotchGradientLoadingBar` when using an increased height ([#026], thanks to [alinfarcas12](https://github.com/alinfarcas12))
@@ -77,7 +114,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 ## [1.1.14] - 2018-20-12
 ### Changed
-- Fix fade-out animation not working in iOS 12 (https://openradar.appspot.com/46753872)
+- Fixed fade-out animation not working in iOS 12 (https://openradar.appspot.com/46753872)
 
 ## [1.1.13] - 2018-14-11
 ### Changed
@@ -135,7 +172,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 ## [1.1.3] - 2017-09-25
 ### Fixed
- - Fix never adding gradient view to "keyWindow" if it is not available on first call to "show()"
+ - Fixed never adding gradient view to "keyWindow" if it is not available on first call to "show()"
 
 ## [1.1.2] - 2017-08-27
 ### Added
@@ -145,8 +182,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 ## [1.1.1] - 2017-08-18
 ### Fixed
- - Fix optical animation issue
- - Fix orientation change bug
+ - Fixed optical animation issue
+ - Fixed orientation change bug
 ### Changed
  - Refactor entire code
  - Lint code
@@ -159,8 +196,16 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 - Initial release
 
 
-[Unreleased]: https://github.com/fxm90/GradientLoadingBar/compare/2.2.3...master
-[2.2.2]: https://github.com/fxm90/GradientLoadingBar/compare/2.2.2...2.2.3
+[Unreleased]: https://github.com/fxm90/GradientLoadingBar/compare/2.3.5...main
+[2.3.5]: https://github.com/fxm90/GradientLoadingBar/compare/2.3.4...2.3.5
+[2.3.4]: https://github.com/fxm90/GradientLoadingBar/compare/2.3.3...2.3.4
+[2.3.3]: https://github.com/fxm90/GradientLoadingBar/compare/2.3.2...2.3.3
+[2.3.2]: https://github.com/fxm90/GradientLoadingBar/compare/2.3.1...2.3.2
+[2.3.1]: https://github.com/fxm90/GradientLoadingBar/compare/2.3.0...2.3.1
+[2.3.0]: https://github.com/fxm90/GradientLoadingBar/compare/2.2.5...2.3.0
+[2.2.5]: https://github.com/fxm90/GradientLoadingBar/compare/2.2.4...2.2.5
+[2.2.4]: https://github.com/fxm90/GradientLoadingBar/compare/2.2.3...2.2.4
+[2.2.3]: https://github.com/fxm90/GradientLoadingBar/compare/2.2.2...2.2.3
 [2.2.2]: https://github.com/fxm90/GradientLoadingBar/compare/2.2.1...2.2.2
 [2.2.1]: https://github.com/fxm90/GradientLoadingBar/compare/2.2.0...2.2.1
 [2.2.0]: https://github.com/fxm90/GradientLoadingBar/compare/2.1.1...2.2.0

Cartfile

@@ -1 +1 @@
-github "fxm90/LightweightObservable" ~> 1.0
+github "fxm90/LightweightObservable" ~> 2.0

Example/.swiftlint.yml

@@ -1,4 +1,4 @@
-#
+#
 # .swiftlint.yml
 # Created by Felix Mau (https://felix.hamburg)
 #
@@ -10,7 +10,7 @@ file_header:
   required_pattern: |
                     \/\/
                     \/\/  SWIFTLINT_CURRENT_FILENAME
-                    \/\/  (GradientLoadingBar|GradientLoadingBar_Example|GradientLoadingBar_Tests|GradientLoadingBar_SnapshotTests)
+                    \/\/  (GradientLoadingBar|Example|ExampleTests|ExampleSnapshotTests)
                     \/\/
                     \/\/  Created by .*? on \d{2}\.\d{2}\.\d{2}\.
                     \/\/  Copyright © \d{4} .*?\. All rights reserved\.
@@ -23,5 +23,4 @@ included:
 excluded:
   - Pods
 
-parent_config: Pods/SwiftConfigurationFiles/.swiftlint.yml
-
+parent_config: Pods/SwiftConfigurationFiles/.swiftlint.yml

Example/Example.xcworkspace/contents.xcworkspacedata

@@ -2,7 +2,7 @@
 <Workspace
    version = "1.0">
    <FileRef
-      location = "group:GradientLoadingBar.xcodeproj">
+      location = "group:Example.xcodeproj">
    </FileRef>
    <FileRef
       location = "group:Pods/Pods.xcodeproj">

Example/Example/Assets.xcassets/AccentColor.colorset/Contents.json

@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Example/Example/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,98 @@
+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "60x60"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "60x60"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "76x76"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "76x76"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "83.5x83.5"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "scale" : "1x",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Example/Example/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Example/Example/ExampleApp.swift

@@ -0,0 +1,31 @@
+//
+//  ExampleApp.swift
+//  Example
+//
+//  Created by Felix Mau on 07.03.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import SwiftUI
+
+@main
+struct ExampleApp: App {
+    var body: some Scene {
+        WindowGroup {
+            EntryPointView()
+                .onAppear {
+                    // Use iOS 13 navigation bar appearance.
+                    //
+                    // While the entry point scene looks better with an opaque navigation background, the child scenes look
+                    // better with the default navigation background. As we can't update the appearance per scene we fallback
+                    // to an appearance with the default background here.
+                    //
+                    // Based on: https://sarunw.com/posts/uinavigationbar-changes-in-ios13/
+                    let appearance = UINavigationBarAppearance()
+                    appearance.configureWithDefaultBackground()
+
+                    UINavigationBar.appearance().scrollEdgeAppearance = appearance
+                }
+        }
+    }
+}

Example/Example/Helper/StoryboardView.swift

@@ -0,0 +1,29 @@
+//
+//  StoryboardView.swift
+//  Example
+//
+//  Created by Felix Mau on 02.02.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import SwiftUI
+
+struct StoryboardView: UIViewControllerRepresentable {
+
+    // MARK: - Public properties
+
+    let name: String
+
+    // MARK: - Public methods
+
+    func makeUIViewController(context _: Context) -> UIViewController {
+        let storyboard = UIStoryboard(name: name, bundle: nil)
+        guard let viewController = storyboard.instantiateInitialViewController() else {
+            fatalError("⚠️ – Could not instantiate initial view controller for storyboard with name `\(name)`.")
+        }
+
+        return viewController
+    }
+
+    func updateUIViewController(_: UIViewController, context _: Context) {}
+}

Example/Example/Preview Content/Preview Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Example/Example/Scenes/AdvancedExample/AdvancedExample.storyboard

@@ -0,0 +1,169 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="20037" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="ZAD-6Y-gxa">
+    <device id="retina6_1" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="20020"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--Advanced Example Table View Controller-->
+        <scene sceneID="iwG-zT-VrO">
+            <objects>
+                <tableViewController id="ZAD-6Y-gxa" customClass="AdvancedExampleTableViewController" customModule="Example" customModuleProvider="target" sceneMemberID="viewController">
+                    <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="insetGrouped" separatorStyle="default" allowsSelection="NO" rowHeight="-1" estimatedRowHeight="-1" sectionHeaderHeight="18" estimatedSectionHeaderHeight="-1" sectionFooterHeight="18" estimatedSectionFooterHeight="-1" id="2vt-bX-4b7">
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                        <prototypes>
+                            <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" insetsLayoutMarginsFromSafeArea="NO" selectionStyle="blue" hidesAccessoryWhenEditing="NO" indentationLevel="1" indentationWidth="0.0" reuseIdentifier="CustomColorsTableViewCell" id="qq9-jr-nNk" customClass="CustomColorsTableViewCell" customModule="Example" customModuleProvider="target">
+                                <rect key="frame" x="20" y="49.5" width="374" height="120.5"/>
+                                <autoresizingMask key="autoresizingMask"/>
+                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="qq9-jr-nNk" id="60G-w2-6BV">
+                                    <rect key="frame" x="0.0" y="0.0" width="374" height="120.5"/>
+                                    <autoresizingMask key="autoresizingMask"/>
+                                    <subviews>
+                                        <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" spacing="12" translatesAutoresizingMaskIntoConstraints="NO" id="zN2-pr-LT6">
+                                            <rect key="frame" x="16" y="16" width="342" height="88.5"/>
+                                            <subviews>
+                                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Example showing how to provide custom gradient colors." textAlignment="natural" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="lbJ-pG-fGJ">
+                                                    <rect key="frame" x="0.0" y="0.0" width="342" height="36"/>
+                                                    <fontDescription key="fontDescription" style="UICTFontTextStyleBody"/>
+                                                    <nil key="textColor"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="uL7-lu-aRP" userLabel="Toggle Custom Colors Button">
+                                                    <rect key="frame" x="0.0" y="48" width="342" height="40.5"/>
+                                                    <constraints>
+                                                        <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="40" id="jZd-Vw-MAb"/>
+                                                    </constraints>
+                                                    <state key="normal" title="Button"/>
+                                                    <buttonConfiguration key="configuration" style="filled" title="Toggle Custom Colors ↑">
+                                                        <fontDescription key="titleFontDescription" style="UICTFontTextStyleBody"/>
+                                                    </buttonConfiguration>
+                                                    <connections>
+                                                        <action selector="customColorsButtonTouchUpInside:" destination="qq9-jr-nNk" eventType="touchUpInside" id="XyI-4Q-sja"/>
+                                                    </connections>
+                                                </button>
+                                            </subviews>
+                                        </stackView>
+                                    </subviews>
+                                    <constraints>
+                                        <constraint firstItem="zN2-pr-LT6" firstAttribute="leading" secondItem="60G-w2-6BV" secondAttribute="leading" constant="16" id="18p-RW-IFT"/>
+                                        <constraint firstAttribute="bottom" secondItem="zN2-pr-LT6" secondAttribute="bottom" constant="16" id="6LP-eX-o55"/>
+                                        <constraint firstItem="zN2-pr-LT6" firstAttribute="top" secondItem="60G-w2-6BV" secondAttribute="top" constant="16" id="RzJ-mr-IHP"/>
+                                        <constraint firstAttribute="trailing" secondItem="zN2-pr-LT6" secondAttribute="trailing" constant="16" id="h7A-pm-6hb"/>
+                                    </constraints>
+                                </tableViewCellContentView>
+                            </tableViewCell>
+                            <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" insetsLayoutMarginsFromSafeArea="NO" selectionStyle="blue" hidesAccessoryWhenEditing="NO" indentationLevel="1" indentationWidth="0.0" reuseIdentifier="InterfaceBuilderSetupTableViewCell" id="yBS-fc-uJy" customClass="InterfaceBuilderSetupTableViewCell" customModule="Example" customModuleProvider="target">
+                                <rect key="frame" x="20" y="170" width="374" height="83.5"/>
+                                <autoresizingMask key="autoresizingMask"/>
+                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="yBS-fc-uJy" id="Tid-am-qRM">
+                                    <rect key="frame" x="0.0" y="0.0" width="374" height="83.5"/>
+                                    <autoresizingMask key="autoresizingMask"/>
+                                    <subviews>
+                                        <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" spacing="8" translatesAutoresizingMaskIntoConstraints="NO" id="KTF-6b-NmT">
+                                            <rect key="frame" x="16" y="16" width="342" height="51.5"/>
+                                            <subviews>
+                                                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="bCd-m6-FJm" customClass="GradientActivityIndicatorView" customModule="GradientLoadingBar">
+                                                    <rect key="frame" x="0.0" y="0.0" width="342" height="3"/>
+                                                    <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                                                    <constraints>
+                                                        <constraint firstAttribute="height" constant="3" id="FQe-RY-KH7"/>
+                                                    </constraints>
+                                                </view>
+                                                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="TpO-6A-9Bl" userLabel="Toggle IB Setup Button">
+                                                    <rect key="frame" x="0.0" y="11" width="342" height="40.5"/>
+                                                    <constraints>
+                                                        <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="40" id="QLO-3y-Y29"/>
+                                                    </constraints>
+                                                    <state key="normal" title="Button"/>
+                                                    <buttonConfiguration key="configuration" style="filled" title="Toggle IB Setup 🎨">
+                                                        <fontDescription key="titleFontDescription" style="UICTFontTextStyleBody"/>
+                                                    </buttonConfiguration>
+                                                    <connections>
+                                                        <action selector="toggleIBSetupButtonTouchUpInside:" destination="yBS-fc-uJy" eventType="touchUpInside" id="WLP-Dw-VmD"/>
+                                                    </connections>
+                                                </button>
+                                            </subviews>
+                                        </stackView>
+                                    </subviews>
+                                    <constraints>
+                                        <constraint firstItem="KTF-6b-NmT" firstAttribute="top" secondItem="Tid-am-qRM" secondAttribute="top" constant="16" id="2Bc-ex-Ggk"/>
+                                        <constraint firstItem="KTF-6b-NmT" firstAttribute="leading" secondItem="Tid-am-qRM" secondAttribute="leading" constant="16" id="Aka-HV-cVb"/>
+                                        <constraint firstAttribute="bottom" secondItem="KTF-6b-NmT" secondAttribute="bottom" constant="16" id="MH0-A6-FGH"/>
+                                        <constraint firstAttribute="trailing" secondItem="KTF-6b-NmT" secondAttribute="trailing" constant="16" id="pLD-Mq-O5j"/>
+                                    </constraints>
+                                </tableViewCellContentView>
+                                <connections>
+                                    <outlet property="gradientActivityIndicator" destination="bCd-m6-FJm" id="z4t-IP-gqw"/>
+                                </connections>
+                            </tableViewCell>
+                            <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" insetsLayoutMarginsFromSafeArea="NO" selectionStyle="blue" hidesAccessoryWhenEditing="NO" indentationLevel="1" indentationWidth="0.0" reuseIdentifier="CustomSuperviewViewCell" id="ah2-WM-rFd" customClass="CustomSuperviewTableViewCell" customModule="Example" customModuleProvider="target">
+                                <rect key="frame" x="20" y="253.5" width="374" height="120.5"/>
+                                <autoresizingMask key="autoresizingMask"/>
+                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="ah2-WM-rFd" id="2Sj-GS-zEL">
+                                    <rect key="frame" x="0.0" y="0.0" width="374" height="120.5"/>
+                                    <autoresizingMask key="autoresizingMask"/>
+                                    <subviews>
+                                        <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" spacing="12" translatesAutoresizingMaskIntoConstraints="NO" id="ja4-s5-ZP7">
+                                            <rect key="frame" x="20" y="16" width="334" height="88.5"/>
+                                            <subviews>
+                                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Example showing how to add the loading bar as a subview." textAlignment="natural" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="c7X-oS-Zcv">
+                                                    <rect key="frame" x="0.0" y="0.0" width="334" height="36"/>
+                                                    <fontDescription key="fontDescription" style="UICTFontTextStyleBody"/>
+                                                    <nil key="textColor"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="ZxZ-rY-wUa" userLabel="Toggle Custom Superview Button" customClass="BorderedButton" customModule="Example" customModuleProvider="target">
+                                                    <rect key="frame" x="0.0" y="48" width="334" height="40.5"/>
+                                                    <constraints>
+                                                        <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="40" id="YS7-tA-cMK"/>
+                                                    </constraints>
+                                                    <state key="normal" title="Button"/>
+                                                    <buttonConfiguration key="configuration" style="plain" title="Toggle Custom Superview 🧪">
+                                                        <fontDescription key="titleFontDescription" style="UICTFontTextStyleBody"/>
+                                                    </buttonConfiguration>
+                                                    <connections>
+                                                        <action selector="toggleButtonTouchUpInside:" destination="ah2-WM-rFd" eventType="touchUpInside" id="W51-If-b5H"/>
+                                                    </connections>
+                                                </button>
+                                            </subviews>
+                                        </stackView>
+                                    </subviews>
+                                    <constraints>
+                                        <constraint firstItem="ja4-s5-ZP7" firstAttribute="top" secondItem="2Sj-GS-zEL" secondAttribute="top" constant="16" id="ERr-8u-XhG"/>
+                                        <constraint firstAttribute="trailing" secondItem="ja4-s5-ZP7" secondAttribute="trailing" constant="20" id="SsK-Vx-1BL"/>
+                                        <constraint firstAttribute="bottom" secondItem="ja4-s5-ZP7" secondAttribute="bottom" constant="16" id="UBf-R5-ixV"/>
+                                        <constraint firstItem="ja4-s5-ZP7" firstAttribute="leading" secondItem="2Sj-GS-zEL" secondAttribute="leading" constant="20" id="xgE-OJ-VIu"/>
+                                    </constraints>
+                                </tableViewCellContentView>
+                                <connections>
+                                    <outlet property="toggleButton" destination="ZxZ-rY-wUa" id="TwF-62-tM1"/>
+                                </connections>
+                            </tableViewCell>
+                        </prototypes>
+                        <connections>
+                            <outlet property="dataSource" destination="ZAD-6Y-gxa" id="3QD-qs-jpF"/>
+                            <outlet property="delegate" destination="ZAD-6Y-gxa" id="yIF-PG-bRO"/>
+                        </connections>
+                    </tableView>
+                    <extendedEdge key="edgesForExtendedLayout" bottom="YES"/>
+                </tableViewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="R94-H9-mvS" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="-165" y="27"/>
+        </scene>
+    </scenes>
+    <designables>
+        <designable name="ZxZ-rY-wUa">
+            <size key="intrinsicContentSize" width="216.5" height="31"/>
+        </designable>
+    </designables>
+    <resources>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
+    </resources>
+</document>

Example/Example/Scenes/AdvancedExample/AdvancedExampleTableViewController.swift

@@ -0,0 +1,136 @@
+//
+//  AdvancedExampleTableViewController.swift
+//  Example
+//
+//  Created by Felix Mau on 12.04.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import GradientLoadingBar
+import SwiftUI
+import UIKit
+
+final class AdvancedExampleTableViewController: UITableViewController {
+
+    // MARK: - Config
+
+    private enum Config {
+        /// The custom gradient colors we use.
+        /// Source: https://color.adobe.com/Pink-Flamingo-color-theme-10343714/
+        static let gradientColors = [
+            #colorLiteral(red: 0.9490196078, green: 0.3215686275, blue: 0.431372549, alpha: 1), #colorLiteral(red: 0.9450980392, green: 0.4784313725, blue: 0.5921568627, alpha: 1), #colorLiteral(red: 0.9529411765, green: 0.737254902, blue: 0.7843137255, alpha: 1), #colorLiteral(red: 0.4274509804, green: 0.8666666667, blue: 0.9490196078, alpha: 1), #colorLiteral(red: 0.7568627451, green: 0.9411764706, blue: 0.9568627451, alpha: 1),
+        ]
+
+        static let firstSectionHeaderHeight: CGFloat = 48
+        static let defaultSectionHeaderHeight: CGFloat = 32
+    }
+
+    // MARK: - Types
+
+    private enum Section: CaseIterable {
+        case customColors
+        case interfaceBuilderSetup
+        case customSuperview
+
+        var cellIdentifier: String {
+            switch self {
+            case .customColors:
+                return CustomColorsTableViewCell.reuseIdentifier
+
+            case .interfaceBuilderSetup:
+                return InterfaceBuilderSetupTableViewCell.reuseIdentifier
+
+            case .customSuperview:
+                return CustomSuperviewTableViewCell.reuseIdentifier
+            }
+        }
+
+        var sectionTitle: String {
+            switch self {
+            case .customColors:
+                return "Custom Colors"
+
+            case .interfaceBuilderSetup:
+                return "Interface Builder Setup"
+
+            case .customSuperview:
+                return "Custom Superview"
+            }
+        }
+
+        var sectionHeaderHeight: CGFloat {
+            switch self {
+            case .customColors:
+                return Config.firstSectionHeaderHeight
+
+            case .interfaceBuilderSetup, .customSuperview:
+                return Config.defaultSectionHeaderHeight
+            }
+        }
+    }
+
+    // MARK: - Private properties
+
+    private let gradientLoadingBar = GradientLoadingBar()
+
+    // MARK: - Public methods
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        view.backgroundColor = .systemGroupedBackground
+
+        gradientLoadingBar.gradientColors = Config.gradientColors
+    }
+
+    // MARK: - Table view data source
+
+    override func numberOfSections(in _: UITableView) -> Int {
+        Section.allCases.count
+    }
+
+    override func tableView(_: UITableView, numberOfRowsInSection _: Int) -> Int {
+        1
+    }
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let section = Section.allCases[indexPath.section]
+        switch section {
+        case .customColors:
+            guard let cell = tableView.dequeueReusableCell(withIdentifier: section.cellIdentifier, for: indexPath) as? CustomColorsTableViewCell else {
+                fatalError("⚠️ – Invalid table view setup. Expected to have `CustomColorsTableViewCell` at this point!")
+            }
+
+            cell.tapHandler = { [weak self] in
+                if self?.gradientLoadingBar.isHidden == true {
+                    self?.gradientLoadingBar.fadeIn()
+                } else {
+                    self?.gradientLoadingBar.fadeOut()
+                }
+            }
+
+            return cell
+
+        case .interfaceBuilderSetup, .customSuperview:
+            return tableView.dequeueReusableCell(withIdentifier: section.cellIdentifier, for: indexPath)
+        }
+    }
+
+    override func tableView(_: UITableView, titleForHeaderInSection section: Int) -> String? {
+        Section.allCases[section].sectionTitle
+    }
+
+    override func tableView(_: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
+        Section.allCases[section].sectionHeaderHeight
+    }
+}
+
+// MARK: - Helper
+
+struct AdvancedExampleView: View {
+    var body: some View {
+        StoryboardView(name: "AdvancedExample")
+            .navigationTitle("🚀 Advanced Example")
+            .edgesIgnoringSafeArea(.bottom)
+    }
+}

Example/Example/Scenes/AdvancedExample/Cells/CustomColorsTableViewCell.swift

@@ -0,0 +1,24 @@
+//
+//  CustomColorsTableViewCell.swift
+//  Example
+//
+//  Created by Felix Mau on 15.04.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import UIKit
+
+final class CustomColorsTableViewCell: UITableViewCell {
+
+    // MARK: - Public properties
+
+    static let reuseIdentifier = "CustomColorsTableViewCell"
+
+    var tapHandler: (() -> Void)?
+
+    // MARK: - Private methods
+
+    @IBAction private func customColorsButtonTouchUpInside(_: Any) {
+        tapHandler?()
+    }
+}

Example/Example/Scenes/AdvancedExample/Cells/CustomSuperviewTableViewCell.swift

@@ -0,0 +1,62 @@
+//
+//  CustomSuperviewTableViewCell.swift
+//  Example
+//
+//  Created by Felix Mau on 15.04.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import GradientLoadingBar
+import UIKit
+
+final class CustomSuperviewTableViewCell: UITableViewCell {
+
+    // MARK: - Config
+
+    private enum Config {
+        static let height: CGFloat = 3
+    }
+
+    // MARK: - Outlets
+
+    @IBOutlet private var toggleButton: UIButton!
+
+    // MARK: - Public properties
+
+    static let reuseIdentifier = "CustomSuperviewViewCell"
+
+    // MARK: - Private properties
+
+    private let gradientActivityIndicatorView = GradientActivityIndicatorView()
+
+    // MARK: - Public methods
+
+    override func awakeFromNib() {
+        super.awakeFromNib()
+
+        setupGradientActivityIndicatorView()
+    }
+
+    // MARK: - Private methods
+
+    private func setupGradientActivityIndicatorView() {
+        gradientActivityIndicatorView.translatesAutoresizingMaskIntoConstraints = false
+        toggleButton.addSubview(gradientActivityIndicatorView)
+
+        NSLayoutConstraint.activate([
+            gradientActivityIndicatorView.leadingAnchor.constraint(equalTo: toggleButton.leadingAnchor),
+            gradientActivityIndicatorView.trailingAnchor.constraint(equalTo: toggleButton.trailingAnchor),
+
+            gradientActivityIndicatorView.bottomAnchor.constraint(equalTo: toggleButton.bottomAnchor),
+            gradientActivityIndicatorView.heightAnchor.constraint(equalToConstant: Config.height),
+        ])
+    }
+
+    @IBAction private func toggleButtonTouchUpInside(_: Any) {
+        if gradientActivityIndicatorView.isHidden {
+            gradientActivityIndicatorView.fadeIn()
+        } else {
+            gradientActivityIndicatorView.fadeOut()
+        }
+    }
+}

Example/Example/Scenes/AdvancedExample/Cells/InterfaceBuilderSetupTableViewCell.swift

@@ -0,0 +1,41 @@
+//
+//  InterfaceBuilderSetupTableViewCell.swift
+//  Example
+//
+//  Created by Felix Mau on 15.04.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import GradientLoadingBar
+import UIKit
+
+final class InterfaceBuilderSetupTableViewCell: UITableViewCell {
+
+    // MARK: - Config
+
+    private enum Config {
+        static let animationDuration: TimeInterval = 0.5
+    }
+
+    // MARK: - Outlets
+
+    @IBOutlet private var gradientActivityIndicator: GradientActivityIndicatorView!
+
+    // MARK: - Public properties
+
+    static let reuseIdentifier = "InterfaceBuilderSetupTableViewCell"
+
+    // MARK: - Private methods
+
+    @IBAction private func toggleIBSetupButtonTouchUpInside(_: Any) {
+        // We explicitly "only" reduce the alpha here, as calling `fadeIn()` / `fadeOut()` would update the `isHidden`
+        // flag accordingly. This would then lead to a height-update of the parent stack view.
+        UIView.animate(withDuration: Config.animationDuration) {
+            if self.gradientActivityIndicator.alpha > 0 {
+                self.gradientActivityIndicator.alpha = 0
+            } else {
+                self.gradientActivityIndicator.alpha = 1
+            }
+        }
+    }
+}

Example/Example/Scenes/AdvancedExample/Views/BorderedButton.swift

@@ -0,0 +1,47 @@
+//
+//  BorderedButton.swift
+//  Example
+//
+//  Created by Felix Mau on 15.04.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import UIKit
+
+@IBDesignable
+final class BorderedButton: UIButton {
+
+    // MARK: - Config
+
+    private enum Config {
+        static let borderColor = #colorLiteral(red: 0.2862745098, green: 0.5647058824, blue: 0.8862745098, alpha: 1)
+        static let borderWidth: CGFloat = 1
+        static let cornerRadius: CGFloat = 4
+    }
+
+    // MARK: - Instance Lifecycle
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+
+        commonInit()
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+
+        commonInit()
+    }
+
+    // MARK: - Private methods
+
+    private func commonInit() {
+        backgroundColor = .clear
+        tintColor = Config.borderColor
+
+        layer.borderColor = Config.borderColor.cgColor
+        layer.borderWidth = Config.borderWidth
+        layer.cornerRadius = Config.cornerRadius
+        layer.masksToBounds = true
+    }
+}

Example/Example/Scenes/BasicExample/BasicExample.storyboard

@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="20037" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="Y6W-OH-hqX">
+    <device id="retina6_1" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="20020"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--Basic Example View Controller-->
+        <scene sceneID="s0d-6b-0kx">
+            <objects>
+                <viewController id="Y6W-OH-hqX" customClass="BasicExampleViewController" customModule="Example" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="5EZ-qb-Rvc">
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <stackView opaque="NO" contentMode="scaleToFill" distribution="fillEqually" alignment="center" spacing="16" translatesAutoresizingMaskIntoConstraints="NO" id="i3m-u5-CBZ" userLabel="Content Stack View">
+                                <rect key="frame" x="16" y="428" width="382" height="40"/>
+                                <subviews>
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="iqR-B3-IAJ" userLabel="ShowButton">
+                                        <rect key="frame" x="0.0" y="0.0" width="183" height="40"/>
+                                        <constraints>
+                                            <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="40" id="ygd-aW-5tx"/>
+                                        </constraints>
+                                        <state key="normal" title="Button"/>
+                                        <buttonConfiguration key="configuration" style="filled" title="Show ↑">
+                                            <fontDescription key="titleFontDescription" style="UICTFontTextStyleBody"/>
+                                        </buttonConfiguration>
+                                        <connections>
+                                            <action selector="showButtonTouchUpInside:" destination="Y6W-OH-hqX" eventType="touchUpInside" id="syE-bX-c9J"/>
+                                        </connections>
+                                    </button>
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="0mi-83-2Nx" userLabel="HideButton">
+                                        <rect key="frame" x="199" y="0.0" width="183" height="40"/>
+                                        <constraints>
+                                            <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="40" id="bWt-eh-ohc"/>
+                                        </constraints>
+                                        <state key="normal" title="Button"/>
+                                        <buttonConfiguration key="configuration" style="filled" title="Hide ">
+                                            <fontDescription key="titleFontDescription" style="UICTFontTextStyleBody"/>
+                                        </buttonConfiguration>
+                                        <connections>
+                                            <action selector="hideButtonTouchUpInside:" destination="Y6W-OH-hqX" eventType="touchUpInside" id="xWJ-X0-hCH"/>
+                                        </connections>
+                                    </button>
+                                </subviews>
+                            </stackView>
+                        </subviews>
+                        <viewLayoutGuide key="safeArea" id="vDu-zF-Fre"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                        <constraints>
+                            <constraint firstItem="i3m-u5-CBZ" firstAttribute="centerY" secondItem="5EZ-qb-Rvc" secondAttribute="centerY" id="J8f-pR-dOH"/>
+                            <constraint firstItem="vDu-zF-Fre" firstAttribute="trailing" secondItem="i3m-u5-CBZ" secondAttribute="trailing" constant="16" id="RpI-X5-afT"/>
+                            <constraint firstItem="i3m-u5-CBZ" firstAttribute="leading" secondItem="vDu-zF-Fre" secondAttribute="leading" constant="16" id="qcn-hk-qmQ"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="Ief-a0-LHa" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="132" y="115"/>
+        </scene>
+    </scenes>
+    <resources>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
+    </resources>
+</document>

Example/Example/Scenes/BasicExample/BasicExampleViewController.swift

@@ -1,23 +1,28 @@
 //
 //  BasicExampleViewController.swift
-//  GradientLoadingBar_Example
+//  Example
 //
-//  Created by Felix Mau on 30.09.17.
-//  Copyright © 2017 Felix Mau. All rights reserved.
+//  Created by Felix Mau on 07.03.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
 //
 
-import UIKit
 import GradientLoadingBar
+import SwiftUI
+import UIKit
+
+final class BasicExampleViewController: UIViewController {
 
-class BasicExampleViewController: UIViewController {
     // MARK: - Public methods
 
     override func viewWillDisappear(_ animated: Bool) {
         super.viewWillDisappear(animated)
 
+        // Reset any possible visible loading bar.
         GradientLoadingBar.shared.fadeOut()
     }
 
+    // MARK: - Private methods
+
     @IBAction private func showButtonTouchUpInside(_: Any) {
         GradientLoadingBar.shared.fadeIn()
     }
@@ -26,3 +31,12 @@ class BasicExampleViewController: UIViewController {
         GradientLoadingBar.shared.fadeOut()
     }
 }
+
+// MARK: - Helper
+
+struct BasicExampleView: View {
+    var body: some View {
+        StoryboardView(name: "BasicExample")
+            .navigationTitle("🏡 Basic Example")
+    }
+}

Example/Example/Scenes/EntryPointView.swift

@@ -0,0 +1,95 @@
+//
+//  EntryPointView.swift
+//  Example
+//
+//  Created by Felix Mau on 07.03.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import SwiftUI
+
+struct EntryPointView: View {
+
+    // MARK: - Private properties
+
+    @State
+    private var isNavigationBarExampleVisible = false
+
+    // MARK: - Render
+
+    var body: some View {
+        NavigationView {
+            List {
+                Section(header: Text("UIKit Examples")) {
+                    NavigationLink(destination: BasicExampleView()) {
+                        TitleSubtitleView(title: "🏡 Basic Example",
+                                          subtitle: "Basic usage and setup.")
+                    }
+
+                    NavigationLink(destination: SafeAreaExampleView()) {
+                        TitleSubtitleView(title: "📲 Safe Area Example",
+                                          subtitle: "Loading bar ignoring the safe area.")
+                    }
+
+                    NavigationLink(destination: AdvancedExampleView()) {
+                        TitleSubtitleView(title: "🚀 Advanced Example",
+                                          subtitle: "How to apply e.g. custom colors.")
+                    }
+
+                    Button {
+                        isNavigationBarExampleVisible = true
+                    } label: {
+                        TitleSubtitleView(title: "🧭 Navigation Bar Example",
+                                          subtitle: "Attach the loading bar to a navigation bar.")
+                            // Make entire row tappable and not just the text.
+                            .frame(maxWidth: .infinity, alignment: .leading)
+                            .contentShape(Rectangle())
+                    }
+                    .buttonStyle(PlainButtonStyle())
+                }
+
+                Section(header: Text("SwiftUI Examples")) {
+                    NavigationLink(destination: SwiftUIExampleView()) {
+                        TitleSubtitleView(title: "🎨 GradientLoadingBarView Example",
+                                          subtitle: "How to use the SwiftUI view.")
+                    }
+                }
+            }
+            // We present the `NavigationBarExampleView` as a sheet using it's own navigation controller.
+            // The `NavigationView` passed from SwiftUI isn't accessible from a `UIViewController` in a way, that we can add subviews to it.
+            .sheet(isPresented: $isNavigationBarExampleVisible) {
+                NavigationBarExampleView()
+            }
+            // Unfortunately setting the title here results in constraint warnings.
+            // I couldn't find a possible fix yet, even `.navigationViewStyle(.stack)` doesn't seem to work.
+            // https://stackoverflow.com/q/65316497
+            .navigationTitle("GradientLoadingBar")
+            .navigationBarTitleDisplayMode(.large)
+        }
+    }
+}
+
+// MARK: - Subviews
+
+private struct TitleSubtitleView: View {
+    let title: String
+    let subtitle: String
+
+    var body: some View {
+        VStack(alignment: .leading, spacing: 8) {
+            Text(title)
+                .font(.headline)
+            Text(subtitle)
+                .font(.subheadline)
+        }
+        .padding(.vertical, 8)
+    }
+}
+
+// MARK: - Preview
+
+struct EntryPointView_Previews: PreviewProvider {
+    static var previews: some View {
+        EntryPointView()
+    }
+}

Example/Example/Scenes/NavigationBarExample/NavigationBarExample.storyboard

@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="20037" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="QqU-dK-9N3">
+    <device id="retina6_1" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="20020"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--🧭 Navigation Bar Example-->
+        <scene sceneID="s0d-6b-0kx">
+            <objects>
+                <viewController id="Y6W-OH-hqX" customClass="NavigationBarExampleViewController" customModule="Example" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="5EZ-qb-Rvc">
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <stackView opaque="NO" contentMode="scaleToFill" distribution="fillEqually" alignment="center" spacing="16" translatesAutoresizingMaskIntoConstraints="NO" id="NLc-ox-i4v">
+                                <rect key="frame" x="16" y="428" width="382" height="40"/>
+                                <subviews>
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="m50-Bi-edx" userLabel="ShowButton">
+                                        <rect key="frame" x="0.0" y="0.0" width="183" height="40"/>
+                                        <constraints>
+                                            <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="40" id="3OT-yv-cyC"/>
+                                        </constraints>
+                                        <state key="normal" title="Button"/>
+                                        <buttonConfiguration key="configuration" style="filled" title="Show">
+                                            <fontDescription key="titleFontDescription" style="UICTFontTextStyleBody"/>
+                                        </buttonConfiguration>
+                                        <connections>
+                                            <action selector="showButtonTouchUpInside:" destination="Y6W-OH-hqX" eventType="touchUpInside" id="Wp7-QY-9dg"/>
+                                        </connections>
+                                    </button>
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="aXh-Qp-yVs" userLabel="HideButton">
+                                        <rect key="frame" x="199" y="0.0" width="183" height="40"/>
+                                        <constraints>
+                                            <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="40" id="0sc-bb-ZEH"/>
+                                        </constraints>
+                                        <state key="normal" title="Button"/>
+                                        <buttonConfiguration key="configuration" style="filled" title="Hide">
+                                            <fontDescription key="titleFontDescription" style="UICTFontTextStyleBody"/>
+                                        </buttonConfiguration>
+                                        <connections>
+                                            <action selector="hideButtonTouchUpInside:" destination="Y6W-OH-hqX" eventType="touchUpInside" id="vxz-29-LMX"/>
+                                        </connections>
+                                    </button>
+                                </subviews>
+                            </stackView>
+                        </subviews>
+                        <viewLayoutGuide key="safeArea" id="vDu-zF-Fre"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                        <constraints>
+                            <constraint firstItem="vDu-zF-Fre" firstAttribute="trailing" secondItem="NLc-ox-i4v" secondAttribute="trailing" constant="16" id="2Ig-gz-o5i"/>
+                            <constraint firstItem="NLc-ox-i4v" firstAttribute="leading" secondItem="vDu-zF-Fre" secondAttribute="leading" constant="16" id="5DU-9Z-LFC"/>
+                            <constraint firstItem="NLc-ox-i4v" firstAttribute="centerY" secondItem="5EZ-qb-Rvc" secondAttribute="centerY" id="uG6-3e-Y6q"/>
+                        </constraints>
+                    </view>
+                    <navigationItem key="navigationItem" title="🧭 Navigation Bar Example" id="cJ0-SC-qx4"/>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="Ief-a0-LHa" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="1042.0289855072465" y="61.607142857142854"/>
+        </scene>
+        <!--Navigation Controller-->
+        <scene sceneID="Fzj-P1-1gQ">
+            <objects>
+                <navigationController automaticallyAdjustsScrollViewInsets="NO" id="QqU-dK-9N3" sceneMemberID="viewController">
+                    <toolbarItems/>
+                    <navigationBar key="navigationBar" contentMode="scaleToFill" largeTitles="YES" id="Gew-of-pOh">
+                        <rect key="frame" x="0.0" y="44" width="414" height="96"/>
+                        <autoresizingMask key="autoresizingMask"/>
+                    </navigationBar>
+                    <nil name="viewControllers"/>
+                    <connections>
+                        <segue destination="Y6W-OH-hqX" kind="relationship" relationship="rootViewController" id="YmV-f4-HGX"/>
+                    </connections>
+                </navigationController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="brr-zi-WNx" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="131.8840579710145" y="61.607142857142854"/>
+        </scene>
+    </scenes>
+    <resources>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
+    </resources>
+</document>

Example/Example/Scenes/NavigationBarExample/NavigationBarExampleViewController.swift

@@ -1,15 +1,17 @@
 //
 //  NavigationBarExampleViewController.swift
-//  GradientLoadingBar_Example
+//  Example
 //
-//  Created by Felix Mau on 29.08.18.
-//  Copyright © 2018 Felix Mau. All rights reserved.
+//  Created by Felix Mau on 07.03.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
 //
 
-import UIKit
 import GradientLoadingBar
+import SwiftUI
+import UIKit
+
+final class NavigationBarExampleViewController: UIViewController {
 
-class NavigationBarExampleViewController: UIViewController {
     // MARK: - Config
 
     private enum Config {
@@ -26,20 +28,16 @@ class NavigationBarExampleViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
 
+        let barButtonItem = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(doneButtonTapped))
+        navigationItem.rightBarButtonItem = barButtonItem
+
         setupGradientProgressIndicatorView()
     }
 
     override func viewWillDisappear(_ animated: Bool) {
         super.viewWillDisappear(animated)
 
-        gradientProgressIndicatorView.fadeOut()
-    }
-
-    @IBAction private func showButtonTouchUpInside(_: Any) {
-        gradientProgressIndicatorView.fadeIn()
-    }
-
-    @IBAction private func hideButtonTouchUpInside(_: Any) {
+        // Reset any possible visible loading bar.
         gradientProgressIndicatorView.fadeOut()
     }
 
@@ -48,8 +46,6 @@ class NavigationBarExampleViewController: UIViewController {
     private func setupGradientProgressIndicatorView() {
         guard let navigationBar = navigationController?.navigationBar else { return }
 
-        gradientProgressIndicatorView.fadeOut(duration: 0)
-
         gradientProgressIndicatorView.translatesAutoresizingMaskIntoConstraints = false
         navigationBar.addSubview(gradientProgressIndicatorView)
 
@@ -61,4 +57,24 @@ class NavigationBarExampleViewController: UIViewController {
             gradientProgressIndicatorView.heightAnchor.constraint(equalToConstant: Config.height),
         ])
     }
+
+    @IBAction private func doneButtonTapped(_: Any) {
+        dismiss(animated: true)
+    }
+
+    @IBAction private func showButtonTouchUpInside(_: Any) {
+        gradientProgressIndicatorView.fadeIn()
+    }
+
+    @IBAction private func hideButtonTouchUpInside(_: Any) {
+        gradientProgressIndicatorView.fadeOut()
+    }
+}
+
+// MARK: - Helper
+
+struct NavigationBarExampleView: View {
+    var body: some View {
+        StoryboardView(name: "NavigationBarExample")
+    }
 }

Example/Example/Scenes/SafeAreaExample/SafeAreaExample.storyboard

@@ -0,0 +1,104 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="20037" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="Y6W-OH-hqX">
+    <device id="retina6_1" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="20020"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--Safe Area Example View Controller-->
+        <scene sceneID="s0d-6b-0kx">
+            <objects>
+                <viewController id="Y6W-OH-hqX" customClass="SafeAreaExampleViewController" customModule="Example" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="5EZ-qb-Rvc">
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <stackView opaque="NO" contentMode="scaleToFill" distribution="fillProportionally" alignment="center" spacing="16" translatesAutoresizingMaskIntoConstraints="NO" id="vQo-n2-n4V" userLabel="Top Content Stack View">
+                                <rect key="frame" x="16" y="400" width="382" height="40"/>
+                                <subviews>
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="xx7-io-IHi" userLabel="ShowBasicBarButton">
+                                        <rect key="frame" x="0.0" y="0.0" width="244" height="40"/>
+                                        <constraints>
+                                            <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="40" id="wri-XG-tfO"/>
+                                        </constraints>
+                                        <state key="normal" title="Button"/>
+                                        <buttonConfiguration key="configuration" style="filled" title="Show Basic Bar">
+                                            <fontDescription key="titleFontDescription" style="UICTFontTextStyleBody"/>
+                                        </buttonConfiguration>
+                                        <connections>
+                                            <action selector="showBasicBarButtonTouchUpInside:" destination="Y6W-OH-hqX" eventType="touchUpInside" id="o8j-Z6-6kZ"/>
+                                        </connections>
+                                    </button>
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="Xxs-Xn-l65" userLabel="HideBasicBarButton">
+                                        <rect key="frame" x="260" y="0.0" width="122" height="40"/>
+                                        <constraints>
+                                            <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="40" id="zfx-4A-wZB"/>
+                                        </constraints>
+                                        <state key="normal" title="Button"/>
+                                        <buttonConfiguration key="configuration" style="filled" title="Hide">
+                                            <fontDescription key="titleFontDescription" style="UICTFontTextStyleBody"/>
+                                        </buttonConfiguration>
+                                        <connections>
+                                            <action selector="hideBasicBarButtonTouchUpInside:" destination="Y6W-OH-hqX" eventType="touchUpInside" id="XXK-yZ-LR4"/>
+                                        </connections>
+                                    </button>
+                                </subviews>
+                            </stackView>
+                            <stackView opaque="NO" contentMode="scaleToFill" distribution="fillProportionally" alignment="center" spacing="16" translatesAutoresizingMaskIntoConstraints="NO" id="J6X-XZ-YZb" userLabel="Bottom Content Stack View">
+                                <rect key="frame" x="16" y="456" width="382" height="40"/>
+                                <subviews>
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="DS9-JT-RIl" userLabel="HideNotchBarButton">
+                                        <rect key="frame" x="0.0" y="0.0" width="104" height="40"/>
+                                        <constraints>
+                                            <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="40" id="64O-UM-b99"/>
+                                        </constraints>
+                                        <state key="normal" title="Button"/>
+                                        <buttonConfiguration key="configuration" style="filled" title="Hide">
+                                            <fontDescription key="titleFontDescription" style="UICTFontTextStyleBody"/>
+                                        </buttonConfiguration>
+                                        <connections>
+                                            <action selector="hideNotchBarButtonTouchUpInside:" destination="Y6W-OH-hqX" eventType="touchUpInside" id="INf-lf-Egt"/>
+                                        </connections>
+                                    </button>
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="8wt-vv-Sj1" userLabel="ShowNotchBarButton">
+                                        <rect key="frame" x="120" y="0.0" width="262" height="40"/>
+                                        <constraints>
+                                            <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="40" id="nUb-HA-Cts"/>
+                                        </constraints>
+                                        <state key="normal" title="Button"/>
+                                        <buttonConfiguration key="configuration" style="filled" title="Show Notch Bar">
+                                            <fontDescription key="titleFontDescription" style="UICTFontTextStyleBody"/>
+                                        </buttonConfiguration>
+                                        <connections>
+                                            <action selector="showNotchBarButtonTouchUpInside:" destination="Y6W-OH-hqX" eventType="touchUpInside" id="aHn-BO-ovO"/>
+                                        </connections>
+                                    </button>
+                                </subviews>
+                            </stackView>
+                        </subviews>
+                        <viewLayoutGuide key="safeArea" id="vDu-zF-Fre"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                        <constraints>
+                            <constraint firstItem="vDu-zF-Fre" firstAttribute="trailing" secondItem="J6X-XZ-YZb" secondAttribute="trailing" constant="16" id="FLY-Rz-mWy"/>
+                            <constraint firstItem="vQo-n2-n4V" firstAttribute="leading" secondItem="5EZ-qb-Rvc" secondAttribute="leading" constant="16" id="Vh8-QH-gYf"/>
+                            <constraint firstItem="J6X-XZ-YZb" firstAttribute="top" secondItem="5EZ-qb-Rvc" secondAttribute="centerY" constant="8" id="XPa-0S-CCv"/>
+                            <constraint firstItem="J6X-XZ-YZb" firstAttribute="leading" secondItem="vDu-zF-Fre" secondAttribute="leading" constant="16" id="XpT-4k-VAf"/>
+                            <constraint firstItem="vQo-n2-n4V" firstAttribute="bottom" secondItem="5EZ-qb-Rvc" secondAttribute="centerY" constant="-8" id="czm-UN-XEM"/>
+                            <constraint firstItem="vDu-zF-Fre" firstAttribute="trailing" secondItem="vQo-n2-n4V" secondAttribute="trailing" constant="16" id="umO-We-0lr"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="Ief-a0-LHa" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="133" y="115"/>
+        </scene>
+    </scenes>
+    <resources>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
+    </resources>
+</document>

Example/Example/Scenes/SafeAreaExample/SafeAreaExampleViewController.swift

@@ -1,19 +1,20 @@
 //
 //  SafeAreaExampleViewController.swift
-//  GradientLoadingBar_Example
+//  Example
 //
-//  Created by Felix Mau on 30.08.18.
-//  Copyright © 2018 Felix Mau. All rights reserved.
+//  Created by Felix Mau on 07.03.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
 //
 
-import UIKit
 import GradientLoadingBar
+import SwiftUI
+import UIKit
+
+final class SafeAreaExampleViewController: UIViewController {
 
-class SafeAreaExampleViewController: UIViewController {
     // MARK: - Private properties
 
     private let gradientLoadingBar = GradientLoadingBar(isRelativeToSafeArea: false)
-
     private let notchGradientLoadingBar = NotchGradientLoadingBar(isRelativeToSafeArea: false)
 
     // MARK: - Public methods
@@ -21,10 +22,13 @@ class SafeAreaExampleViewController: UIViewController {
     override func viewWillDisappear(_ animated: Bool) {
         super.viewWillDisappear(animated)
 
+        // Reset any possible visible loading bar.
         gradientLoadingBar.fadeOut()
         notchGradientLoadingBar.fadeOut()
     }
 
+    // MARK: - Private methods
+
     @IBAction private func showBasicBarButtonTouchUpInside(_: Any) {
         gradientLoadingBar.fadeIn()
     }
@@ -41,3 +45,12 @@ class SafeAreaExampleViewController: UIViewController {
         notchGradientLoadingBar.fadeOut()
     }
 }
+
+// MARK: - Helper
+
+struct SafeAreaExampleView: View {
+    var body: some View {
+        StoryboardView(name: "SafeAreaExample")
+            .navigationTitle("📲 Safe Area Example")
+    }
+}

Example/Example/Scenes/SwiftUIExample/SwiftUIExampleView.swift

@@ -0,0 +1,177 @@
+//
+//  SwiftUIExampleView.swift
+//  Example
+//
+//  Created by Felix Mau on 07.03.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import GradientLoadingBar
+import SwiftUI
+
+struct SwiftUIExampleView: View {
+
+    // MARK: - Render
+
+    var body: some View {
+        List {
+            Section(header: Text("Default example")) {
+                DefaultExampleView()
+            }
+
+            Section(header: Text("Custom colors")) {
+                CustomColorsExampleView()
+            }
+
+            Section(header: Text("Custom animation duration")) {
+                CustomProgressDurationExampleView()
+            }
+        }
+        .navigationTitle("🎨 SwiftUI Example")
+    }
+}
+
+// MARK: - Subviews
+
+private struct DefaultExampleView: View {
+
+    @State
+    private var isVisible = true
+
+    var body: some View {
+        VStack(spacing: 16) {
+            Text("Example using the default configuration.")
+                .frame(maxWidth: .infinity, alignment: .leading)
+
+            GradientLoadingBarView()
+                .frame(maxWidth: .infinity, maxHeight: 3)
+                .cornerRadius(1.5)
+                .opacity(isVisible ? 1 : 0)
+
+            HStack(spacing: 16) {
+                Button("Show") {
+                    withAnimation(.easeInOut) {
+                        isVisible = true
+                    }
+                }
+                .buttonStyle(RoundedRectangleButtonStyle())
+
+                Button("Hide") {
+                    withAnimation(.easeInOut) {
+                        isVisible = false
+                    }
+                }
+                .buttonStyle(RoundedRectangleButtonStyle())
+            }
+        }
+        .padding(.horizontal, 8)
+        .padding(.vertical, 16)
+    }
+}
+
+private struct CustomColorsExampleView: View {
+
+    private enum Config {
+        /// The custom gradient colors we use.
+        /// Source: https://color.adobe.com/Pink-Flamingo-color-theme-10343714/
+        static let gradientColors = [
+            #colorLiteral(red: 0.9490196078, green: 0.3215686275, blue: 0.431372549, alpha: 1), #colorLiteral(red: 0.9450980392, green: 0.4784313725, blue: 0.5921568627, alpha: 1), #colorLiteral(red: 0.9529411765, green: 0.737254902, blue: 0.7843137255, alpha: 1), #colorLiteral(red: 0.4274509804, green: 0.8666666667, blue: 0.9490196078, alpha: 1), #colorLiteral(red: 0.7568627451, green: 0.9411764706, blue: 0.9568627451, alpha: 1),
+        ].map(Color.init)
+    }
+
+    @State
+    private var isVisible = true
+
+    var body: some View {
+        VStack(spacing: 16) {
+            Text("Example showing how to provide custom gradient colors.")
+                .frame(maxWidth: .infinity, alignment: .leading)
+
+            GradientLoadingBarView(gradientColors: Config.gradientColors)
+                .frame(maxWidth: .infinity, maxHeight: 3)
+                .cornerRadius(1.5)
+                .opacity(isVisible ? 1 : 0)
+
+            HStack(spacing: 16) {
+                Button("Show") {
+                    withAnimation(.easeInOut) {
+                        isVisible = true
+                    }
+                }
+                .buttonStyle(RoundedRectangleButtonStyle())
+
+                Button("Hide") {
+                    withAnimation(.easeInOut) {
+                        isVisible = false
+                    }
+                }
+                .buttonStyle(RoundedRectangleButtonStyle())
+            }
+        }
+        .padding(.horizontal, 8)
+        .padding(.vertical, 16)
+    }
+}
+
+private struct CustomProgressDurationExampleView: View {
+
+    private enum Config {
+        /// The custom progress duration to use.
+        static let progressDuration: TimeInterval = 10
+    }
+
+    @State
+    private var isVisible = true
+
+    var body: some View {
+        VStack(spacing: 16) {
+            Text("Example showing how to provide a custom progress animation duration.")
+                .frame(maxWidth: .infinity, alignment: .leading)
+
+            GradientLoadingBarView(progressDuration: Config.progressDuration)
+                .frame(maxWidth: .infinity, maxHeight: 3)
+                .cornerRadius(1.5)
+                .opacity(isVisible ? 1 : 0)
+
+            HStack(spacing: 16) {
+                Button("Show") {
+                    withAnimation(.easeInOut) {
+                        isVisible = true
+                    }
+                }
+                .buttonStyle(RoundedRectangleButtonStyle())
+
+                Button("Hide") {
+                    withAnimation(.easeInOut) {
+                        isVisible = false
+                    }
+                }
+                .buttonStyle(RoundedRectangleButtonStyle())
+            }
+        }
+        .padding(.horizontal, 8)
+        .padding(.vertical, 16)
+    }
+}
+
+// MARK: - Helper
+
+private struct RoundedRectangleButtonStyle: ButtonStyle {
+
+    func makeBody(configuration: Configuration) -> some View {
+        configuration.label
+            .padding(12)
+            .frame(maxWidth: .infinity)
+            .foregroundColor(.white)
+            .background(Color.blue.cornerRadius(8))
+            .scaleEffect(configuration.isPressed ? 0.95 : 1)
+    }
+}
+
+// MARK: - Preview
+
+struct SwiftUIExampleView_Previews: PreviewProvider {
+    static var previews: some View {
+        SwiftUIExampleView()
+    }
+}

Example/ExampleSnapshotTests/GradientActivityIndicatorView/GradientActivityIndicatorViewTestCase.swift

@@ -0,0 +1,56 @@
+//
+//  GradientActivityIndicatorViewTestCase.swift
+//  ExampleSnapshotTests
+//
+//  Created by Felix Mau on 09.11.19.
+//  Copyright © 2019 Felix Mau. All rights reserved.
+//
+
+import SnapshotTesting
+import XCTest
+
+@testable import GradientLoadingBar
+
+final class GradientActivityIndicatorViewTestCase: XCTestCase {
+
+    // MARK: - Config
+
+    private enum Config {
+        /// The frame we use for rendering the `GradientActivityIndicatorView`.
+        /// This will also be the image size for our snapshot.
+        static let frame = CGRect(origin: .zero, size: CGSize(width: 375, height: 4))
+
+        /// The custom colors we use on this test-case.
+        /// Source: https://color.adobe.com/Pink-Flamingo-color-theme-10343714/
+        static let gradientColors = [
+            #colorLiteral(red: 0.9490196078, green: 0.3215686275, blue: 0.431372549, alpha: 1), #colorLiteral(red: 0.9450980392, green: 0.4784313725, blue: 0.5921568627, alpha: 1), #colorLiteral(red: 0.9529411765, green: 0.737254902, blue: 0.7843137255, alpha: 1), #colorLiteral(red: 0.4274509804, green: 0.8666666667, blue: 0.9490196078, alpha: 1), #colorLiteral(red: 0.7568627451, green: 0.9411764706, blue: 0.9568627451, alpha: 1),
+        ]
+    }
+
+    // MARK: - Test cases
+
+    func test_gradientActivityIndicatorView_shouldContainCorrectDefaultColors() {
+        // Given
+        let gradientActivityIndicatorView = GradientActivityIndicatorView(frame: Config.frame)
+
+        // We're only interested in the initial state containing the correct gradient-colors.
+        // Therefore we're gonna remove the progress animation.
+        gradientActivityIndicatorView.layer.removeAllAnimations()
+
+        // Then
+        assertSnapshot(matching: gradientActivityIndicatorView, as: .image)
+    }
+
+    func test_gradientActivityIndicatorView_shouldContainCorrectCustomColors() {
+        // Given
+        let gradientActivityIndicatorView = GradientActivityIndicatorView(frame: Config.frame)
+        gradientActivityIndicatorView.gradientColors = Config.gradientColors
+
+        // We're only interested in the initial state containing the correct gradient-colors.
+        // Therefore we're gonna remove the progress animation.
+        gradientActivityIndicatorView.layer.removeAllAnimations()
+
+        // Then
+        assertSnapshot(matching: gradientActivityIndicatorView, as: .image)
+    }
+}

Example/ExampleSnapshotTests/GradientLoadingBar/GradientLoadingBarControllerTestCase.swift

@@ -0,0 +1,56 @@
+//
+//  GradientLoadingBarControllerTestCase.swift
+//  ExampleSnapshotTests
+//
+//  Created by Felix Mau on 14.06.20.
+//  Copyright © 2020 Felix Mau. All rights reserved.
+//
+
+import SnapshotTesting
+import XCTest
+
+@testable import GradientLoadingBar
+
+final class GradientLoadingBarControllerTestCase: XCTestCase {
+
+    // MARK: - Private properties
+
+    private var window: UIWindow!
+
+    // MARK: - Public methods
+
+    override func setUp() {
+        super.setUp()
+
+        window = UIApplication.shared.keyWindowInConnectedScenes
+    }
+
+    override func tearDown() {
+        window = nil
+
+        super.tearDown()
+    }
+
+    // MARK: - Test cases
+
+    func test_gradientLoadingBarController() {
+        // Given
+        // Show an empty view controller behind loading bar in our test.
+        let rootViewController = UIViewController()
+        window.rootViewController = rootViewController
+
+        let expectation = expectation(description: "Expect view to be completely visible.")
+
+        // When
+        let gradientLoadingBarController = GradientLoadingBarController()
+        gradientLoadingBarController.fadeIn(duration: 0) { _ in
+            expectation.fulfill()
+        }
+
+        // Then
+        wait(for: [expectation], timeout: 0.1)
+
+        // Workaround, as snapshotting a `UIWindow` is currently not supported and crashes when running all tests.
+        assertSnapshot(matching: window.layer, as: .image)
+    }
+}

Example/ExampleSnapshotTests/GradientLoadingBarView/GradientLoadingBarViewTestCase.swift

@@ -0,0 +1,53 @@
+//
+//  GradientLoadingBarViewTestCase.swift
+//  ExampleSnapshotTests
+//
+//  Created by Felix Mau on 10.03.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import SnapshotTesting
+import SwiftUI
+import XCTest
+
+@testable import GradientLoadingBar
+
+final class GradientLoadingBarViewTestCase: XCTestCase {
+
+    // MARK: - Config
+
+    private enum Config {
+        /// The frame we use for rendering the `GradientLoadingBarView`.
+        /// This will also be the image size for our snapshot.
+        static let frame = CGRect(origin: .zero, size: CGSize(width: 375, height: 4))
+
+        /// The custom colors we use on this test-case.
+        /// Source: https://color.adobe.com/Pink-Flamingo-color-theme-10343714/
+        static let gradientColors = [
+            #colorLiteral(red: 0.9490196078, green: 0.3215686275, blue: 0.431372549, alpha: 1), #colorLiteral(red: 0.9450980392, green: 0.4784313725, blue: 0.5921568627, alpha: 1), #colorLiteral(red: 0.9529411765, green: 0.737254902, blue: 0.7843137255, alpha: 1), #colorLiteral(red: 0.4274509804, green: 0.8666666667, blue: 0.9490196078, alpha: 1), #colorLiteral(red: 0.7568627451, green: 0.9411764706, blue: 0.9568627451, alpha: 1),
+        ].map(Color.init)
+
+        /// The percentage of pixels that must match.
+        static let precision: Float = 0.98
+    }
+
+    // MARK: - Test cases
+
+    func test_gradientLoadingBarView_shouldContainCorrectDefaultColors() {
+        // Given
+        let gradientLoadingBarView = GradientLoadingBarView()
+            .frame(width: Config.frame.width, height: Config.frame.height)
+
+        // Then
+        assertSnapshot(matching: gradientLoadingBarView, as: .image(precision: Config.precision))
+    }
+
+    func test_gradientLoadingBarView_shouldContainCorrectCustomColors() {
+        // Given
+        let gradientLoadingBarView = GradientLoadingBarView(gradientColors: Config.gradientColors)
+            .frame(width: Config.frame.width, height: Config.frame.height)
+
+        // Then
+        assertSnapshot(matching: gradientLoadingBarView, as: .image(precision: Config.precision))
+    }
+}

Example/ExampleSnapshotTests/NotchGradientLoadingBar/NotchGradientLoadingBarControllerTestCase.swift

@@ -0,0 +1,57 @@
+//
+//  NotchGradientLoadingBarControllerTestCase.swift
+//  ExampleSnapshotTests
+//
+//  Created by Felix Mau on 14.06.20.
+//  Copyright © 2020 Felix Mau. All rights reserved.
+//
+
+import SnapshotTesting
+import XCTest
+
+@testable import GradientLoadingBar
+
+final class NotchGradientLoadingBarControllerTestCase: XCTestCase {
+    // swiftlint:disable:previous type_name
+
+    // MARK: - Private properties
+
+    private var window: UIWindow!
+
+    // MARK: - Public methods
+
+    override func setUp() {
+        super.setUp()
+
+        window = UIApplication.shared.keyWindowInConnectedScenes
+    }
+
+    override func tearDown() {
+        window = nil
+
+        super.tearDown()
+    }
+
+    // MARK: - Test cases
+
+    func test_notchGradientLoadingBarController() {
+        // Given
+        // Show an empty view controller behind loading bar in our test.
+        let rootViewController = UIViewController()
+        window.rootViewController = rootViewController
+
+        let expectation = expectation(description: "Expect view to be completely visible.")
+
+        // When
+        let gradientLoadingBarController = NotchGradientLoadingBarController()
+        gradientLoadingBarController.fadeIn(duration: 0) { _ in
+            expectation.fulfill()
+        }
+
+        // Then
+        wait(for: [expectation], timeout: 0.1)
+
+        // Workaround, as snapshotting a `UIWindow` is currently not supported and crashes when running all tests.
+        assertSnapshot(matching: window.layer, as: .image)
+    }
+}

Example/ExampleSnapshotTests/README.md

@@ -0,0 +1,4 @@
+#  Snapshot-Tests
+
+## Device
+Run test-cases with the `iPhone 13` using `iOS 15.5`.

Example/ExampleTests/GradientActivityIndicatorView/GradientActivityIndicatorView+AnimateIsHiddenTestCase.swift

@@ -1,6 +1,6 @@
 //
 //  GradientActivityIndicatorView+AnimateIsHiddenTestCase.swift
-//  GradientLoadingBar_Tests
+//  ExampleTests
 //
 //  Created by Felix Mau on 19.05.19.
 //  Copyright © 2017 Felix Mau. All rights reserved.
@@ -11,7 +11,8 @@ import XCTest
 @testable import GradientLoadingBar
 
 // swiftlint:disable:next type_name
-class GradientActivityIndicatorViewAnimateIsHiddenTestCase: XCTestCase {
+final class GradientActivityIndicatorView_AnimateIsHiddenTestCase: XCTestCase {
+
     // MARK: - Private properties
 
     private var window: UIWindow!
@@ -24,7 +25,7 @@ class GradientActivityIndicatorViewAnimateIsHiddenTestCase: XCTestCase {
 
         // In order for UIView animations to be executed correctly, the corresponding view has to be attached to a visible window.
         // Therefore we're gonna use the current key-window, add our testing view here in `setUp()` and remove it later in `tearDown()`.
-        window = UIApplication.shared.windows.first { $0.isKeyWindow }
+        window = UIApplication.shared.keyWindowInConnectedScenes
 
         gradientActivityIndicatorView = GradientActivityIndicatorView()
         window.addSubview(gradientActivityIndicatorView)
@@ -41,9 +42,9 @@ class GradientActivityIndicatorViewAnimateIsHiddenTestCase: XCTestCase {
 
     // MARK: - Test method `animate(isHidden:)`
 
-    func testAnimateIsHiddenShouldShowViewAndCallCompletionHandler() {
+    func test_animateIsHidden_shouldShowView_andCallCompletionHandler() {
         // Given
-        let expectation = self.expectation(description: "Expect completion handler to be called.")
+        let expectation = expectation(description: "Expect completion handler to be invoked.")
 
         // Hide view to validate fade-in.
         gradientActivityIndicatorView.alpha = 0
@@ -59,12 +60,12 @@ class GradientActivityIndicatorViewAnimateIsHiddenTestCase: XCTestCase {
         wait(for: [expectation], timeout: 1)
 
         XCTAssertFalse(gradientActivityIndicatorView.isHidden)
-        XCTAssertEqual(gradientActivityIndicatorView.alpha, 1.0, accuracy: CGFloat.ulpOfOne)
+        XCTAssertEqual(gradientActivityIndicatorView.alpha, 1, accuracy: CGFloat.ulpOfOne)
     }
 
-    func testAnimateIsHiddenWithInterruptionShouldShowViewAndCallCompletionHandler() {
+    func test_animateIsHidden_withInterruption_shouldShowView_andCallCompletionHandler() {
         // Given
-        let expectation = self.expectation(description: "Expect completion handler to be called.")
+        let expectation = expectation(description: "Expect completion handler to be invoked.")
 
         // Hide view to validate fade-in.
         gradientActivityIndicatorView.alpha = 0
@@ -85,9 +86,9 @@ class GradientActivityIndicatorViewAnimateIsHiddenTestCase: XCTestCase {
         XCTAssertFalse(gradientActivityIndicatorView.isHidden)
     }
 
-    func testAnimateIsHiddenShouldHideViewAndCallCompletionHandler() {
+    func test_animateIsHidden_shouldHideView_andCallCompletionHandler() {
         // Given
-        let expectation = self.expectation(description: "Expect completion handler to be called.")
+        let expectation = expectation(description: "Expect completion handler to be invoked.")
 
         // When
         gradientActivityIndicatorView.animate(isHidden: true, duration: 0.1) { isFinished in
@@ -102,9 +103,9 @@ class GradientActivityIndicatorViewAnimateIsHiddenTestCase: XCTestCase {
         XCTAssertEqual(gradientActivityIndicatorView.alpha, 0, accuracy: CGFloat.ulpOfOne)
     }
 
-    func testAnimateIsHiddenWithInterruptionShouldNotHideViewAndCallCompletionHandler() {
+    func test_animateIsHidden_withInterruption_shouldNotHideView_andCallCompletionHandler() {
         // Given
-        let expectation = self.expectation(description: "Expect completion handler to be called.")
+        let expectation = expectation(description: "Expect completion handler to be invoked.")
 
         // When
         gradientActivityIndicatorView.animate(isHidden: true, duration: 0.1) { isFinished in
@@ -123,9 +124,9 @@ class GradientActivityIndicatorViewAnimateIsHiddenTestCase: XCTestCase {
 
     // MARK: - Test method `fadeIn()`
 
-    func testFadeInShouldShowViewAndCallCompletionHandler() {
+    func test_fadeIn_shouldShowView_andCallCompletionHandler() {
         // Given
-        let expectation = self.expectation(description: "Expect completion handler to be called.")
+        let expectation = expectation(description: "Expect completion handler to be invoked.")
 
         // Hide view to validate fade-in.
         gradientActivityIndicatorView.alpha = 0
@@ -141,12 +142,12 @@ class GradientActivityIndicatorViewAnimateIsHiddenTestCase: XCTestCase {
         wait(for: [expectation], timeout: 1)
 
         XCTAssertFalse(gradientActivityIndicatorView.isHidden)
-        XCTAssertEqual(gradientActivityIndicatorView.alpha, 1.0, accuracy: CGFloat.ulpOfOne)
+        XCTAssertEqual(gradientActivityIndicatorView.alpha, 1, accuracy: CGFloat.ulpOfOne)
     }
 
-    func testFadeInWithInterruptionShouldShowViewAndCallCompletionHandler() {
+    func test_fadeIn_withInterruption_shouldShowView_andCallCompletionHandler() {
         // Given
-        let expectation = self.expectation(description: "Expect completion handler to be called.")
+        let expectation = expectation(description: "Expect completion handler to be invoked.")
 
         // Hide view to validate fade-in.
         gradientActivityIndicatorView.alpha = 0
@@ -169,9 +170,9 @@ class GradientActivityIndicatorViewAnimateIsHiddenTestCase: XCTestCase {
 
     // MARK: - Test method `fadeOut()`
 
-    func testFadeOutShouldHideViewAndCallCompletionHandler() {
+    func test_fadeOut_shouldHideView_andCallCompletionHandler() {
         // Given
-        let expectation = self.expectation(description: "Expect completion handler to be called.")
+        let expectation = expectation(description: "Expect completion handler to be invoked.")
 
         // When
         gradientActivityIndicatorView.fadeOut(duration: 0.1) { isFinished in
@@ -186,9 +187,9 @@ class GradientActivityIndicatorViewAnimateIsHiddenTestCase: XCTestCase {
         XCTAssertEqual(gradientActivityIndicatorView.alpha, 0, accuracy: CGFloat.ulpOfOne)
     }
 
-    func testFadeOutWithInterruptionShouldNotHideViewAndCallCompletionHandler() {
+    func test_fadeOut_withInterruption_shouldNotHideView_andCallCompletionHandler() {
         // Given
-        let expectation = self.expectation(description: "Expect completion handler to be called.")
+        let expectation = expectation(description: "Expect completion handler to be invoked.")
 
         // When
         gradientActivityIndicatorView.fadeOut(duration: 0.1) { isFinished in

Example/ExampleTests/GradientActivityIndicatorView/GradientActivityIndicatorViewModel+SizeUpdateTestCase.swift

@@ -0,0 +1,53 @@
+//
+//  GradientActivityIndicatorViewModel+SizeUpdateTestCase.swift
+//  ExampleTests
+//
+//  Created by Felix Mau on 18.08.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import XCTest
+
+@testable import GradientLoadingBar
+
+// swiftlint:disable:next type_name
+final class GradientActivityIndicatorViewModel_SizeUpdateTestCase: XCTestCase {
+
+    // MARK: - Test property `frame`
+
+    func test_frame() {
+        // Given
+        let bounds = CGRect(x: 0,
+                            y: 0,
+                            width: .random(in: 0 ... .max),
+                            height: .random(in: 0 ... .max))
+
+        // When
+        let sizeUpdate = GradientActivityIndicatorViewModel.SizeUpdate(bounds: bounds)
+
+        // Then
+        let expectedFrame = CGRect(x: 0,
+                                   y: 0,
+                                   width: bounds.width * 3,
+                                   height: bounds.height)
+
+        XCTAssertEqual(sizeUpdate.frame, expectedFrame)
+    }
+
+    // MARK: - Test property `fromValue`
+
+    func test_fromValue() {
+        // Given
+        let bounds = CGRect(x: 0,
+                            y: 0,
+                            width: .random(in: 0 ... .max),
+                            height: .random(in: 0 ... .max))
+
+        // When
+        let sizeUpdate = GradientActivityIndicatorViewModel.SizeUpdate(bounds: bounds)
+
+        // Then
+        let expectedFromValue = bounds.width * -2
+        XCTAssertEqual(sizeUpdate.fromValue, expectedFromValue)
+    }
+}

Example/ExampleTests/GradientActivityIndicatorView/GradientActivityIndicatorViewModelTestCase.swift

@@ -0,0 +1,215 @@
+//
+//  GradientActivityIndicatorViewModelTestCase.swift
+//  ExampleTests
+//
+//  Created by Felix Mau on 26.08.19.
+//  Copyright © 2019 Felix Mau. All rights reserved.
+//
+
+import LightweightObservable
+import XCTest
+
+@testable import GradientLoadingBar
+
+// swiftlint:disable:next type_name
+final class GradientActivityIndicatorViewModelTestCase: XCTestCase {
+
+    // MARK: - Private properties
+
+    private var viewModel: GradientActivityIndicatorViewModel!
+
+    // MARK: - Public methods
+
+    override func setUp() {
+        super.setUp()
+
+        viewModel = GradientActivityIndicatorViewModel()
+    }
+
+    override func tearDown() {
+        viewModel = nil
+
+        super.tearDown()
+    }
+
+    // MARK: - Test property `isHidden`
+
+    func test_settingIsHidden_toTrue_shouldUpdateIsAnimatingSubject_withFalse() throws {
+        // Given
+        var receivedIsAnimating: Bool?
+        let disposable = viewModel.isAnimating.subscribe { isAnimating, _ in
+            receivedIsAnimating = isAnimating
+        }
+
+        // When
+        withExtendedLifetime(disposable) {
+            viewModel.isHidden = true
+        }
+
+        // Then
+        XCTAssertFalse(
+            try XCTUnwrap(receivedIsAnimating, "Expected to have received a value from the subscription closure at this point.")
+        )
+    }
+
+    func test_settingIsHidden_toFalse_shouldUpdateIsAnimatingSubject_withTrue() throws {
+        // Given
+        var receivedIsAnimating: Bool?
+        let disposable = viewModel.isAnimating.subscribe { isAnimating, _ in
+            receivedIsAnimating = isAnimating
+        }
+
+        // When
+        withExtendedLifetime(disposable) {
+            viewModel.isHidden = false
+        }
+
+        // Then
+        XCTAssertTrue(
+            try XCTUnwrap(receivedIsAnimating, "Expected to have received a value from the subscription closure at this point.")
+        )
+    }
+
+    // MARK: - Test property `bounds`
+
+    func test_settingBounds_shouldUpdateGradientLayerSizeUpdate() {
+        // Given
+        var receivedSizeUpdate: GradientActivityIndicatorViewModel.SizeUpdate?
+        let disposable = viewModel.gradientLayerSizeUpdate.subscribe { sizeUpdate, _ in
+            receivedSizeUpdate = sizeUpdate
+        }
+
+        let size = CGSize(width: .random(in: 1 ... 100), height: .random(in: 1 ... 100))
+        let bounds = CGRect(origin: .zero, size: size)
+
+        // When
+        withExtendedLifetime(disposable) {
+            viewModel.bounds = bounds
+        }
+
+        // Then
+        let expectedSizeUpdate = GradientActivityIndicatorViewModel.SizeUpdate(bounds: bounds)
+        XCTAssertEqual(receivedSizeUpdate, expectedSizeUpdate)
+    }
+
+    func test_settingBounds_shouldRestartAnimation() {
+        // Given
+        var receivedIsAnimating = [Bool]()
+        let disposable = viewModel.isAnimating.subscribe { isAnimating, _ in
+            receivedIsAnimating.append(isAnimating)
+        }
+        receivedIsAnimating.removeAll()
+
+        let size = CGSize(width: .random(in: 1 ... 100), height: .random(in: 1 ... 100))
+        let bounds = CGRect(origin: .zero, size: size)
+
+        // When
+        withExtendedLifetime(disposable) {
+            viewModel.bounds = bounds
+        }
+
+        // Then
+        let expectedIsAnimating = [false, true]
+        XCTAssertEqual(receivedIsAnimating, expectedIsAnimating)
+    }
+
+    func test_settingBounds_shouldNotRestartAnimation_dueToViewIsHidden() {
+        // Given
+        var receivedIsAnimating = [Bool]()
+        let disposable = viewModel.isAnimating.subscribe { isAnimating, _ in
+            receivedIsAnimating.append(isAnimating)
+        }
+
+        let size = CGSize(width: .random(in: 1 ... 100), height: .random(in: 1 ... 100))
+        let bounds = CGRect(origin: .zero, size: size)
+
+        viewModel.isHidden = true
+        receivedIsAnimating.removeAll()
+
+        // When
+        withExtendedLifetime(disposable) {
+            viewModel.bounds = bounds
+        }
+
+        // Then
+        XCTAssertTrue(receivedIsAnimating.isEmpty)
+    }
+
+    // MARK: - Test property `gradientColors`
+
+    func test_settingGradientColors_shouldUpdateGradientLayerColors() {
+        // Given
+        var receivedGradientLayerColors: [CGColor]?
+        let disposable = viewModel.gradientLayerColors.subscribe { gradientLayerColors, _ in
+            receivedGradientLayerColors = gradientLayerColors
+        }
+
+        let gradientColors: [UIColor] = [.red, .yellow, .green]
+
+        // When
+        withExtendedLifetime(disposable) {
+            viewModel.gradientColors = gradientColors
+        }
+
+        // Then
+        let expectedGradientLayerColors = [UIColor.red, .yellow, .green, .yellow, .red, .yellow, .green].map(\.cgColor)
+        XCTAssertEqual(receivedGradientLayerColors, expectedGradientLayerColors)
+    }
+
+    // MARK: - Test property `progressAnimationDuration`
+
+    func test_settingProgressAnimationDuration_shouldUpdateGradientLayerAnimationDuration() {
+        // Given
+        var receivedGradientLayerAnimationDuration: TimeInterval?
+        let disposable = viewModel.gradientLayerAnimationDuration.subscribe { gradientLayerAnimationDuration, _ in
+            receivedGradientLayerAnimationDuration = gradientLayerAnimationDuration
+        }
+
+        let progressAnimationDuration: TimeInterval = .random(in: 0 ... 100)
+
+        // When
+        withExtendedLifetime(disposable) {
+            viewModel.progressAnimationDuration = progressAnimationDuration
+        }
+
+        // Then
+        XCTAssertEqual(receivedGradientLayerAnimationDuration, progressAnimationDuration)
+    }
+
+    func test_settingProgressAnimationDuration_shouldRestartAnimation() {
+        // Given
+        var receivedIsAnimating = [Bool]()
+        let disposable = viewModel.isAnimating.subscribe { isAnimating, _ in
+            receivedIsAnimating.append(isAnimating)
+        }
+        receivedIsAnimating.removeAll()
+
+        // When
+        withExtendedLifetime(disposable) {
+            viewModel.progressAnimationDuration = .random(in: 0 ... 100)
+        }
+
+        // Then
+        let expectedIsAnimating = [false, true]
+        XCTAssertEqual(receivedIsAnimating, expectedIsAnimating)
+    }
+
+    func test_settingProgressAnimationDuration_shouldNotRestartAnimation_dueToViewIsHidden() {
+        // Given
+        var receivedIsAnimating = [Bool]()
+        let disposable = viewModel.isAnimating.subscribe { isAnimating, _ in
+            receivedIsAnimating.append(isAnimating)
+        }
+
+        viewModel.isHidden = true
+        receivedIsAnimating.removeAll()
+
+        // When
+        withExtendedLifetime(disposable) {
+            viewModel.progressAnimationDuration = .random(in: 0 ... 100)
+        }
+
+        // Then
+        XCTAssertTrue(receivedIsAnimating.isEmpty)
+    }
+}

Example/ExampleTests/GradientLoadingBar/GradientLoadingBarViewModelTestCase.swift

@@ -1,17 +1,18 @@
 //
 //  GradientLoadingBarViewModelTestCase.swift
-//  GradientLoadingBar_Tests
+//  ExampleTests
 //
 //  Created by Felix Mau on 26.12.17.
 //  Copyright © 2017 Felix Mau. All rights reserved.
 //
 
-import XCTest
 import LightweightObservable
+import XCTest
 
 @testable import GradientLoadingBar
 
-class GradientLoadingBarViewModelTestCase: XCTestCase {
+final class GradientLoadingBarViewModelTestCase: XCTestCase {
+
     // MARK: - Private properties
 
     private var sharedApplicationMock: SharedApplicationMock!
@@ -35,23 +36,21 @@ class GradientLoadingBarViewModelTestCase: XCTestCase {
 
     // MARK: - Test observable `superview`
 
-    func testInitializerShouldSetupSuperviewObservableNil() throws {
+    func test_init_shouldSetupSuperviewObservable_withNil() throws {
         // When
         let viewModel = GradientLoadingBarViewModel(sharedApplication: sharedApplicationMock,
                                                     notificationCenter: notificationCenter)
 
         // Then
-        let variable = try XCTUnwrap(viewModel.superview as? Variable, "Cast `Observable` instance to `Variable` in order to validate the initial value.")
-        XCTAssertNil(variable.value)
+        // The property `superview` is an optional, as well as the property `value`.
+        // Therefore we can't use `XCTAssertNil` here, as this doesn't work with double optionals.
+        XCTAssertEqual(viewModel.superview.value, .some(nil))
     }
 
-    func testInitializerShouldSetupSuperviewObservableWithKeyWindow() {
+    func test_init_shouldSetupSuperviewObservable_withKeyWindow() {
         // Given
         let keyWindow = UIWindow()
-        keyWindow.makeKey()
-
-        let otherWindow = UIWindow()
-        sharedApplicationMock.windows = [keyWindow, otherWindow]
+        sharedApplicationMock.keyWindowInConnectedScenes = keyWindow
 
         // When
         let viewModel = GradientLoadingBarViewModel(sharedApplication: sharedApplicationMock,
@@ -61,61 +60,55 @@ class GradientLoadingBarViewModelTestCase: XCTestCase {
         XCTAssertEqual(viewModel.superview.value, keyWindow)
     }
 
-    func testInitializerShouldSetupSuperviewObservableAfterUIWindowDidBecomeKeyNotification() {
+    func test_init_shouldSetupSuperviewObservable_afterUIWindowDidBecomeKeyNotification() {
         // Given
-        let keyWindow = UIWindow()
-        keyWindow.makeKey()
-
-        let otherWindow = UIWindow()
-        sharedApplicationMock.windows = [otherWindow]
-
         let viewModel = GradientLoadingBarViewModel(sharedApplication: sharedApplicationMock,
                                                     notificationCenter: notificationCenter)
 
+        var receivedKeyWindows = [UIView?]()
+        let disposable = viewModel.superview.subscribe { keyWindow, _ in
+            receivedKeyWindows.append(keyWindow)
+        }
+
+        let keyWindow = UIWindow()
+        sharedApplicationMock.keyWindowInConnectedScenes = keyWindow
+
         // When
-        sharedApplicationMock.windows.append(keyWindow)
-        notificationCenter.post(name: UIWindow.didBecomeKeyNotification,
-                                object: nil)
+        withExtendedLifetime(disposable) {
+            notificationCenter.post(name: UIWindow.didBecomeKeyNotification, object: nil)
+        }
 
         // Then
-        XCTAssertEqual(viewModel.superview.value, keyWindow)
+        let expectedKeyWindows = [nil, keyWindow]
+        XCTAssertEqual(receivedKeyWindows, expectedKeyWindows)
     }
 
-    func testDeinitShouldResetSuperviewObservableToNil() {
+    func test_deinit_shouldResetSuperviewObservable_withNil() {
         // Given
         let keyWindow = UIWindow()
-        keyWindow.makeKey()
-
-        let otherWindow = UIWindow()
-        sharedApplicationMock.windows = [keyWindow, otherWindow]
+        sharedApplicationMock.keyWindowInConnectedScenes = keyWindow
 
         var viewModel: GradientLoadingBarViewModel? = GradientLoadingBarViewModel(sharedApplication: sharedApplicationMock,
                                                                                   notificationCenter: notificationCenter)
 
-        let expectation = self.expectation(description: "Expected observer to be informed to reset superview to nil.")
-        var disposeBag = DisposeBag()
-
-        // As we've just initialized the view model it has to exist at this point, and therefore we can "safely" use force-unwrapping here.
-        // swiftlint:disable:next force_unwrapping
-        viewModel!.superview.subscribe { newSuperview, _ in
-            guard newSuperview == nil else {
-                // Skip initial call to observer.
-                return
-            }
-
-            expectation.fulfill()
-        }.disposed(by: &disposeBag)
+        var receivedKeyWindows = [UIView?]()
+        let disposable = viewModel?.superview.subscribe { keyWindow, _ in
+            receivedKeyWindows.append(keyWindow)
+        }
 
         // When
-        viewModel = nil
+        withExtendedLifetime(disposable) {
+            viewModel = nil
+        }
 
         // Then
-        wait(for: [expectation], timeout: 0.1)
+        let expectedKeyWindows = [keyWindow, nil]
+        XCTAssertEqual(receivedKeyWindows, expectedKeyWindows)
     }
 }
 
 // MARK: - Mocks
 
-private class SharedApplicationMock: UIApplicationProtocol {
-    var windows = [UIWindow]()
+private final class SharedApplicationMock: UIApplicationProtocol {
+    var keyWindowInConnectedScenes: UIWindow?
 }

Example/ExampleTests/GradientLoadingBarView/GradientLoadingBarView+ViewModelTestCase.swift

@@ -0,0 +1,82 @@
+//
+//  GradientLoadingBarView+ViewModelTestCase.swift
+//  ExampleTests
+//
+//  Created by Felix Mau on 22.03.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import SwiftUI
+import XCTest
+
+@testable import GradientLoadingBar
+
+// swiftlint:disable:next type_name
+final class GradientLoadingBarView_ViewModelTestCase: XCTestCase {
+
+    // MARK: - Test property `gradientColors`
+
+    func test_initialGradientColors_shouldIncludeReversedGradientColors() {
+        // Given
+        let gradientColors: [Color] = [.red, .yellow, .green]
+
+        // When
+        let viewModel = GradientLoadingBarView.ViewModel(gradientColors: gradientColors, progressDuration: 1)
+
+        // Then
+        let expectedGradientColors: [Color] = [.red, .yellow, .green, .yellow, .red, .yellow, .green]
+        XCTAssertEqual(viewModel.gradientColors, expectedGradientColors)
+    }
+
+    // MARK: - Test property `horizontalOffset`
+
+    func test_initialHorizontalOffset_shouldBeZero() {
+        // When
+        let viewModel = GradientLoadingBarView.ViewModel(gradientColors: [], progressDuration: 1)
+
+        // Then
+        XCTAssertEqual(viewModel.horizontalOffset, 0)
+    }
+
+    func test_settingSize_shouldUpdateHorizontalOffset() {
+        // Given
+        let viewModel = GradientLoadingBarView.ViewModel(gradientColors: [], progressDuration: 1)
+        let size = CGSize(width: .random(in: 1 ... 100_000), height: .random(in: 1 ... 100_000))
+
+        var receivedValues = [CGFloat]()
+        let subscription = viewModel.$horizontalOffset.sink {
+            receivedValues.append($0)
+        }
+
+        withExtendedLifetime(subscription) {
+            // When
+            viewModel.size = size
+        }
+
+        // Then
+        let expectedValues = [0, -size.width, size.width]
+        XCTAssertEqual(receivedValues, expectedValues)
+    }
+
+    // MARK: - Test property `gradientWidth`
+
+    func test_initialGradientWidth_shouldBeZero() {
+        // When
+        let viewModel = GradientLoadingBarView.ViewModel(gradientColors: [], progressDuration: 1)
+
+        // Then
+        XCTAssertEqual(viewModel.gradientWidth, 0)
+    }
+
+    func test_settingSize_shouldUpdateGradientWidth() {
+        // Given
+        let viewModel = GradientLoadingBarView.ViewModel(gradientColors: [], progressDuration: 1)
+        let size = CGSize(width: .random(in: 1 ... 100_000), height: .random(in: 1 ... 100_000))
+
+        // When
+        viewModel.size = size
+
+        // Then
+        XCTAssertEqual(viewModel.gradientWidth, size.width * 3)
+    }
+}

Example/ExampleTests/NotchGradientLoadingBar/NotchGradientLoadingBarViewModelTestCase.swift

@@ -0,0 +1,58 @@
+//
+//  NotchGradientLoadingBarViewModelTestCase.swift
+//  ExampleTests
+//
+//  Created by Felix Mau on 26.12.17.
+//  Copyright © 2017 Felix Mau. All rights reserved.
+//
+
+import XCTest
+
+@testable import GradientLoadingBar
+
+final class NotchGradientLoadingBarViewModelTestCase: XCTestCase {
+
+    func test_initializer_shouldSetCorrectNotchDevice() {
+        // Given
+        let identifiersToNotchDeviceMap: [String: NotchGradientLoadingBarViewModel.NotchDevice] = [
+            "iPhone10,3": .iPhoneX,
+            "iPhone10,6": .iPhoneX,
+            "iPhone11,2": .iPhoneXS,
+            "iPhone11,4": .iPhoneXSMax,
+            "iPhone11,6": .iPhoneXSMax,
+            "iPhone11,8": .iPhoneXR,
+            "iPhone12,1": .iPhone11,
+            "iPhone12,3": .iPhone11Pro,
+            "iPhone12,5": .iPhone11ProMax,
+            "iPhone13,1": .iPhone12Mini,
+            "iPhone13,2": .iPhone12,
+            "iPhone13,3": .iPhone12Pro,
+            "iPhone13,4": .iPhone12ProMax,
+            "iPhone14,4": .iPhone13Mini,
+            "iPhone14,5": .iPhone13,
+            "iPhone14,2": .iPhone13Pro,
+            "iPhone14,3": .iPhone13ProMax,
+            "iPhone14,7": .iPhone14,
+            "iPhone14,8": .iPhone14Plus,
+        ]
+
+        identifiersToNotchDeviceMap.forEach { deviceIdentifier, notchDevice in
+            // When
+            let viewModel = NotchGradientLoadingBarViewModel(deviceIdentifier: deviceIdentifier)
+
+            // Then
+            XCTAssertEqual(viewModel.notchDevice, notchDevice)
+        }
+    }
+
+    func test_initializer_shouldSetNotchDevice_toNil() {
+        // Given
+        let deviceIdentifier = "Foo-Bar-🤡"
+
+        // When
+        let viewModel = NotchGradientLoadingBarViewModel(deviceIdentifier: deviceIdentifier)
+
+        // Then
+        XCTAssertNil(viewModel.notchDevice)
+    }
+}

Example/Gemfile.lock

@@ -3,41 +3,41 @@ GEM
   specs:
     CFPropertyList (3.0.5)
       rexml
-    activesupport (6.1.4.1)
+    activesupport (6.1.6.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     algoliasearch (1.27.5)
       httpclient (~> 2.8, >= 2.8.3)
       json (>= 1.5.1)
     artifactory (3.0.15)
     atomos (0.1.3)
     aws-eventstream (1.2.0)
-    aws-partitions (1.539.0)
-    aws-sdk-core (3.124.0)
+    aws-partitions (1.626.0)
+    aws-sdk-core (3.141.0)
       aws-eventstream (~> 1, >= 1.0.2)
       aws-partitions (~> 1, >= 1.525.0)
       aws-sigv4 (~> 1.1)
-      jmespath (~> 1.0)
-    aws-sdk-kms (1.52.0)
-      aws-sdk-core (~> 3, >= 3.122.0)
+      jmespath (~> 1, >= 1.6.1)
+    aws-sdk-kms (1.58.0)
+      aws-sdk-core (~> 3, >= 3.127.0)
       aws-sigv4 (~> 1.1)
-    aws-sdk-s3 (1.109.0)
-      aws-sdk-core (~> 3, >= 3.122.0)
+    aws-sdk-s3 (1.114.0)
+      aws-sdk-core (~> 3, >= 3.127.0)
       aws-sdk-kms (~> 1)
       aws-sigv4 (~> 1.4)
-    aws-sigv4 (1.4.0)
+    aws-sigv4 (1.5.1)
       aws-eventstream (~> 1, >= 1.0.2)
     babosa (1.0.4)
-    claide (1.0.3)
-    cocoapods (1.11.2)
+    claide (1.1.0)
+    cocoapods (1.11.3)
       addressable (~> 2.8)
       claide (>= 1.0.2, < 2.0)
-      cocoapods-core (= 1.11.2)
+      cocoapods-core (= 1.11.3)
       cocoapods-deintegrate (>= 1.0.3, < 2.0)
       cocoapods-downloader (>= 1.4.0, < 2.0)
       cocoapods-plugins (>= 1.0.0, < 2.0)
@@ -52,7 +52,7 @@ GEM
       nap (~> 1.0)
       ruby-macho (>= 1.0, < 3.0)
       xcodeproj (>= 1.21.0, < 2.0)
-    cocoapods-core (1.11.2)
+    cocoapods-core (1.11.3)
       activesupport (>= 5.0, < 7)
       addressable (~> 2.8)
       algoliasearch (~> 1.0)
@@ -63,7 +63,7 @@ GEM
       public_suffix (~> 4.0)
       typhoeus (~> 1.0)
     cocoapods-deintegrate (1.0.5)
-    cocoapods-downloader (1.5.1)
+    cocoapods-downloader (1.6.3)
     cocoapods-plugins (1.0.0)
       nap
     cocoapods-search (1.0.1)
@@ -75,28 +75,29 @@ GEM
     colored2 (3.1.2)
     commander (4.6.0)
       highline (~> 2.0.0)
-    concurrent-ruby (1.1.9)
+    concurrent-ruby (1.1.10)
     declarative (0.0.20)
     digest-crc (0.6.4)
       rake (>= 12.0.0, < 14.0.0)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    dotenv (2.7.6)
+    dotenv (2.8.1)
     emoji_regex (3.2.3)
     escape (0.0.4)
     ethon (0.15.0)
       ffi (>= 1.15.0)
-    excon (0.88.0)
-    faraday (1.8.0)
+    excon (0.92.4)
+    faraday (1.10.2)
       faraday-em_http (~> 1.0)
       faraday-em_synchrony (~> 1.0)
       faraday-excon (~> 1.1)
-      faraday-httpclient (~> 1.0.1)
+      faraday-httpclient (~> 1.0)
+      faraday-multipart (~> 1.0)
       faraday-net_http (~> 1.0)
-      faraday-net_http_persistent (~> 1.1)
+      faraday-net_http_persistent (~> 1.0)
       faraday-patron (~> 1.0)
       faraday-rack (~> 1.0)
-      multipart-post (>= 1.2, < 3)
+      faraday-retry (~> 1.0)
       ruby2_keywords (>= 0.0.4)
     faraday-cookie_jar (0.0.7)
       faraday (>= 0.8.0)
@@ -105,14 +106,17 @@ GEM
     faraday-em_synchrony (1.0.0)
     faraday-excon (1.1.0)
     faraday-httpclient (1.0.1)
+    faraday-multipart (1.0.4)
+      multipart-post (~> 2)
     faraday-net_http (1.0.1)
     faraday-net_http_persistent (1.2.0)
     faraday-patron (1.0.0)
     faraday-rack (1.0.0)
+    faraday-retry (1.0.3)
     faraday_middleware (1.2.0)
       faraday (~> 1.0)
-    fastimage (2.2.5)
-    fastlane (2.198.1)
+    fastimage (2.2.6)
+    fastlane (2.209.1)
       CFPropertyList (>= 2.3, < 4.0.0)
       addressable (>= 2.8, < 3.0.0)
       artifactory (~> 3.0)
@@ -151,14 +155,14 @@ GEM
       xcodeproj (>= 1.13.0, < 2.0.0)
       xcpretty (~> 0.3.0)
       xcpretty-travis-formatter (>= 0.0.3)
-    fastlane-plugin-swiftformat (0.1.0)
-    ffi (1.15.4)
+    fastlane-plugin-swiftformat (0.3.0)
+    ffi (1.15.5)
     fourflusher (2.3.1)
     fuzzy_match (2.0.4)
     gh_inspector (1.1.3)
-    google-apis-androidpublisher_v3 (0.13.0)
-      google-apis-core (>= 0.4, < 2.a)
-    google-apis-core (0.4.1)
+    google-apis-androidpublisher_v3 (0.25.0)
+      google-apis-core (>= 0.7, < 2.a)
+    google-apis-core (0.7.0)
       addressable (~> 2.5, >= 2.5.1)
       googleauth (>= 0.16.2, < 2.a)
       httpclient (>= 2.8.1, < 3.a)
@@ -167,46 +171,46 @@ GEM
       retriable (>= 2.0, < 4.a)
       rexml
       webrick
-    google-apis-iamcredentials_v1 (0.8.0)
-      google-apis-core (>= 0.4, < 2.a)
-    google-apis-playcustomapp_v1 (0.6.0)
-      google-apis-core (>= 0.4, < 2.a)
-    google-apis-storage_v1 (0.9.0)
-      google-apis-core (>= 0.4, < 2.a)
+    google-apis-iamcredentials_v1 (0.13.0)
+      google-apis-core (>= 0.7, < 2.a)
+    google-apis-playcustomapp_v1 (0.10.0)
+      google-apis-core (>= 0.7, < 2.a)
+    google-apis-storage_v1 (0.17.0)
+      google-apis-core (>= 0.7, < 2.a)
     google-cloud-core (1.6.0)
       google-cloud-env (~> 1.0)
       google-cloud-errors (~> 1.0)
-    google-cloud-env (1.5.0)
-      faraday (>= 0.17.3, < 2.0)
+    google-cloud-env (1.6.0)
+      faraday (>= 0.17.3, < 3.0)
     google-cloud-errors (1.2.0)
-    google-cloud-storage (1.34.1)
-      addressable (~> 2.5)
+    google-cloud-storage (1.39.0)
+      addressable (~> 2.8)
       digest-crc (~> 0.4)
       google-apis-iamcredentials_v1 (~> 0.1)
-      google-apis-storage_v1 (~> 0.1)
+      google-apis-storage_v1 (~> 0.17.0)
       google-cloud-core (~> 1.6)
       googleauth (>= 0.16.2, < 2.a)
       mini_mime (~> 1.0)
-    googleauth (1.1.0)
-      faraday (>= 0.17.3, < 2.0)
+    googleauth (1.2.0)
+      faraday (>= 0.17.3, < 3.a)
       jwt (>= 1.4, < 3.0)
       memoist (~> 0.16)
       multi_json (~> 1.11)
       os (>= 0.9, < 2.0)
       signet (>= 0.16, < 2.a)
     highline (2.0.3)
-    http-cookie (1.0.4)
+    http-cookie (1.0.5)
       domain_name (~> 0.5)
     httpclient (2.8.3)
-    i18n (1.8.11)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    jmespath (1.4.0)
-    json (2.6.1)
-    jwt (2.3.0)
+    jmespath (1.6.1)
+    json (2.6.2)
+    jwt (2.5.0)
     memoist (0.16.2)
     mini_magick (4.11.0)
     mini_mime (1.1.2)
-    minitest (5.14.4)
+    minitest (5.16.3)
     molinillo (0.8.0)
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     multipart-post (2.0.0)
@@ -217,9 +221,9 @@ GEM
     optparse (0.1.1)
     os (1.1.4)
     plist (3.6.0)
-    public_suffix (4.0.6)
+    public_suffix (4.0.7)
     rake (13.0.6)
-    representable (3.1.1)
+    representable (3.2.0)
       declarative (< 0.1.0)
       trailblazer-option (>= 0.1.1, < 0.2.0)
       uber (< 0.2.0)
@@ -230,9 +234,9 @@ GEM
     ruby2_keywords (0.0.5)
     rubyzip (2.3.2)
     security (0.1.3)
-    signet (0.16.0)
+    signet (0.17.0)
       addressable (~> 2.8)
-      faraday (>= 0.17.3, < 2.0)
+      faraday (>= 0.17.5, < 3.a)
       jwt (>= 1.5, < 3.0)
       multi_json (~> 1.10)
     simctl (1.6.8)
@@ -248,16 +252,16 @@ GEM
       tty-cursor (~> 0.7)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (2.0.4)
+    tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
     uber (0.1.0)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.8)
+    unf_ext (0.0.8.2)
     unicode-display_width (1.8.0)
     webrick (1.7.0)
     word_wrap (1.0.0)
-    xcodeproj (1.21.0)
+    xcodeproj (1.22.0)
       CFPropertyList (>= 2.3.3, < 4.0)
       atomos (~> 0.1.3)
       claide (>= 1.0.2, < 2.0)
@@ -268,7 +272,7 @@ GEM
       rouge (~> 2.0.7)
     xcpretty-travis-formatter (1.0.1)
       xcpretty (~> 0.2, >= 0.0.7)
-    zeitwerk (2.5.1)
+    zeitwerk (2.6.0)
 
 PLATFORMS
   ruby
@@ -279,4 +283,4 @@ DEPENDENCIES
   fastlane-plugin-swiftformat
 
 BUNDLED WITH
-   2.1.4
+   2.3.18

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Example/GradientLoadingBar.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
-   version = "1.0">
-   <FileRef
-      location = "self:GradientLoadingBar.xcodeproj">
-   </FileRef>
-</Workspace>

Example/GradientLoadingBar.xcodeproj/xcshareddata/xcschemes/GradientLoadingBar-Example.xcscheme

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Example/GradientLoadingBar/AdvancedExampleViewController.swift

@@ -1,105 +0,0 @@
-//
-//  AdvancedExampleViewController.swift
-//  GradientLoadingBar_Example
-//
-//  Created by Felix Mau on 30.08.18.
-//  Copyright © 2018 Felix Mau. All rights reserved.
-//
-
-import UIKit
-import GradientLoadingBar
-
-class AdvancedExampleViewController: UIViewController {
-    // MARK: - Config
-
-    private enum Config {
-        /// The programatically applied height of the `GradientActivityIndicatorView`.
-        static let height: CGFloat = 3.5
-    }
-
-    // MARK: - Outlets
-
-    @IBOutlet private var programmaticallyButton: BlueBorderedButton!
-    @IBOutlet private var customColorsButton: BlueBorderedButton!
-
-    // MARK: - Private properties
-
-    // swiftlint:disable:next identifier_name
-    private let programmaticallyGradientActivityIndicatorView = GradientActivityIndicatorView()
-
-    // swiftlint:disable:next identifier_name
-    private let customColorsGradientActivityIndicatorView: GradientActivityIndicatorView = {
-        let gradientActivityIndicatorView = GradientActivityIndicatorView()
-
-        // Source: https://color.adobe.com/Pink-Flamingo-color-theme-10343714/
-        gradientActivityIndicatorView.gradientColors = [
-            #colorLiteral(red: 0.9490196078, green: 0.3215686275, blue: 0.431372549, alpha: 1), #colorLiteral(red: 0.9450980392, green: 0.4784313725, blue: 0.5921568627, alpha: 1), #colorLiteral(red: 0.9529411765, green: 0.737254902, blue: 0.7843137255, alpha: 1), #colorLiteral(red: 0.4274509804, green: 0.8666666667, blue: 0.9490196078, alpha: 1), #colorLiteral(red: 0.7568627451, green: 0.9411764706, blue: 0.9568627451, alpha: 1),
-        ]
-
-        return gradientActivityIndicatorView
-    }()
-
-    // MARK: - Public methods
-
-    override func viewDidLoad() {
-        super.viewDidLoad()
-
-        setupProgrammaticallyGradientActivityIndicatorView()
-        setupCustomColorsGradientActivityIndicatorView()
-    }
-
-    override func viewWillDisappear(_ animated: Bool) {
-        super.viewWillDisappear(animated)
-
-        programmaticallyGradientActivityIndicatorView.fadeOut()
-        customColorsGradientActivityIndicatorView.fadeOut()
-    }
-
-    @IBAction private func toggleProgrammaticallyButtonTouchUpInside(_: Any) {
-        if programmaticallyGradientActivityIndicatorView.isHidden {
-            programmaticallyGradientActivityIndicatorView.fadeIn()
-        } else {
-            programmaticallyGradientActivityIndicatorView.fadeOut()
-        }
-    }
-
-    @IBAction private func toggleCustomColorsButtonTouchUpInside(_: Any) {
-        if customColorsGradientActivityIndicatorView.isHidden {
-            customColorsGradientActivityIndicatorView.fadeIn()
-        } else {
-            customColorsGradientActivityIndicatorView.fadeOut()
-        }
-    }
-
-    // MARK: - Private methods
-
-    private func setupProgrammaticallyGradientActivityIndicatorView() {
-        programmaticallyGradientActivityIndicatorView.fadeOut(duration: 0)
-
-        programmaticallyGradientActivityIndicatorView.translatesAutoresizingMaskIntoConstraints = false
-        programmaticallyButton.addSubview(programmaticallyGradientActivityIndicatorView)
-
-        NSLayoutConstraint.activate([
-            programmaticallyGradientActivityIndicatorView.leadingAnchor.constraint(equalTo: programmaticallyButton.leadingAnchor),
-            programmaticallyGradientActivityIndicatorView.trailingAnchor.constraint(equalTo: programmaticallyButton.trailingAnchor),
-
-            programmaticallyGradientActivityIndicatorView.topAnchor.constraint(equalTo: programmaticallyButton.topAnchor),
-            programmaticallyGradientActivityIndicatorView.heightAnchor.constraint(equalToConstant: Config.height),
-        ])
-    }
-
-    private func setupCustomColorsGradientActivityIndicatorView() {
-        customColorsGradientActivityIndicatorView.fadeOut(duration: 0)
-
-        customColorsGradientActivityIndicatorView.translatesAutoresizingMaskIntoConstraints = false
-        customColorsButton.addSubview(customColorsGradientActivityIndicatorView)
-
-        NSLayoutConstraint.activate([
-            customColorsGradientActivityIndicatorView.leadingAnchor.constraint(equalTo: customColorsButton.leadingAnchor),
-            customColorsGradientActivityIndicatorView.trailingAnchor.constraint(equalTo: customColorsButton.trailingAnchor),
-
-            customColorsGradientActivityIndicatorView.bottomAnchor.constraint(equalTo: customColorsButton.bottomAnchor),
-            customColorsGradientActivityIndicatorView.heightAnchor.constraint(equalToConstant: Config.height),
-        ])
-    }
-}

Example/GradientLoadingBar/AppDelegate.swift

@@ -1,52 +0,0 @@
-//
-//  AppDelegate.swift
-//  GradientLoadingBar
-//
-//  Created by Felix Mau on 30.09.17.
-//  Copyright © 2017 Felix Mau. All rights reserved.
-//
-
-import GradientLoadingBar
-import UIKit
-
-@UIApplicationMain
-class AppDelegate: UIResponder, UIApplicationDelegate {
-    var window: UIWindow?
-
-    func application(_: UIApplication, didFinishLaunchingWithOptions _: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
-        // Override point for customization after application launch.
-
-        // Example on how to customize the shared instance of `GradientLoadingBar`.
-        // We're gonna use the same height though ¯\_(ツ)_/¯
-        let customGradientLoadingBar = GradientLoadingBar(height: 3.0)
-        GradientLoadingBar.shared = customGradientLoadingBar
-
-        return true
-    }
-
-    func applicationWillResignActive(_: UIApplication) {
-        // Sent when the application is about to move from active to inactive state.
-        // This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application
-        // and it begins the transition to the background state.
-        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
-    }
-
-    func applicationDidEnterBackground(_: UIApplication) {
-        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your
-        // application to its current state in case it is terminated later.
-        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
-    }
-
-    func applicationWillEnterForeground(_: UIApplication) {
-        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
-    }
-
-    func applicationDidBecomeActive(_: UIApplication) {
-        // Restart any tasks that were paused (or not yet started) while the application was inactive.
-        // If the application was previously in the background, optionally refresh the user interface.
-    }
-
-    func applicationWillTerminate(_: UIApplication) {
-        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
-    }
-}

Example/GradientLoadingBar/Base.lproj/LaunchScreen.xib

@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="14868" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES">
-    <device id="retina4_7" orientation="portrait" appearance="light"/>
-    <dependencies>
-        <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14824"/>
-        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
-    </dependencies>
-    <objects>
-        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
-        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
-        <view contentMode="scaleToFill" id="iN0-l3-epB">
-            <rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
-            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-            <subviews>
-                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Gradient Loading Bar" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="iUK-He-88D">
-                    <rect key="frame" x="20" y="219.5" width="440" height="20.5"/>
-                    <fontDescription key="fontDescription" style="UICTFontTextStyleHeadline"/>
-                    <nil key="highlightedColor"/>
-                </label>
-                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Example Application" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="kZE-Up-yio">
-                    <rect key="frame" x="20" y="240" width="440" height="18"/>
-                    <fontDescription key="fontDescription" style="UICTFontTextStyleSubhead"/>
-                    <color key="textColor" systemColor="secondaryLabelColor" red="0.23529411764705882" green="0.23529411764705882" blue="0.2627450980392157" alpha="0.59999999999999998" colorSpace="custom" customColorSpace="sRGB"/>
-                    <nil key="highlightedColor"/>
-                </label>
-            </subviews>
-            <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
-            <constraints>
-                <constraint firstAttribute="trailingMargin" secondItem="kZE-Up-yio" secondAttribute="trailing" id="1w6-hQ-DuS"/>
-                <constraint firstItem="kZE-Up-yio" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leadingMargin" id="JLl-ee-fNq"/>
-                <constraint firstItem="kZE-Up-yio" firstAttribute="top" secondItem="iN0-l3-epB" secondAttribute="centerY" id="b41-JE-swY"/>
-                <constraint firstAttribute="trailingMargin" secondItem="iUK-He-88D" secondAttribute="trailing" id="eCr-27-PHd"/>
-                <constraint firstItem="iUK-He-88D" firstAttribute="bottom" secondItem="iN0-l3-epB" secondAttribute="centerY" id="g3R-8N-4ZM"/>
-                <constraint firstItem="iUK-He-88D" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leadingMargin" id="lzx-6Y-lwW"/>
-            </constraints>
-            <nil key="simulatedStatusBarMetrics"/>
-            <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
-            <point key="canvasLocation" x="548" y="455"/>
-        </view>
-    </objects>
-</document>

Example/GradientLoadingBar/Base.lproj/Main.storyboard

@@ -1,489 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="16097" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="31S-8b-Niv">
-    <device id="retina4_7" orientation="portrait" appearance="light"/>
-    <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="16087"/>
-        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
-    </dependencies>
-    <scenes>
-        <!--Basic Example-->
-        <scene sceneID="ufC-wZ-h7g">
-            <objects>
-                <viewController id="vXZ-lx-hvc" customClass="BasicExampleViewController" customModule="GradientLoadingBar_Example" customModuleProvider="target" sceneMemberID="viewController">
-                    <layoutGuides>
-                        <viewControllerLayoutGuide type="top" id="jyV-Pf-zRb"/>
-                        <viewControllerLayoutGuide type="bottom" id="2fi-mo-0CV"/>
-                    </layoutGuides>
-                    <view key="view" contentMode="scaleToFill" id="kh9-bI-dsS">
-                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
-                        <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
-                        <subviews>
-                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="V1J-1V-cbT" customClass="LargeNavigationBarHeaderView" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                <rect key="frame" x="0.0" y="0.0" width="375" height="138"/>
-                                <constraints>
-                                    <constraint firstAttribute="height" constant="138" id="ydQ-Zv-f3W"/>
-                                </constraints>
-                                <userDefinedRuntimeAttributes>
-                                    <userDefinedRuntimeAttribute type="string" keyPath="title" value="🏡 Basic Example"/>
-                                    <userDefinedRuntimeAttribute type="string" keyPath="prompt" value="Gradient Loading Bar"/>
-                                </userDefinedRuntimeAttributes>
-                            </view>
-                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="vCz-UL-eay" userLabel="Wrapper View">
-                                <rect key="frame" x="0.0" y="138" width="375" height="480"/>
-                                <subviews>
-                                    <stackView opaque="NO" contentMode="scaleToFill" distribution="fillEqually" alignment="center" spacing="16" translatesAutoresizingMaskIntoConstraints="NO" id="Hrq-tB-Sk3">
-                                        <rect key="frame" x="16" y="220" width="343" height="40"/>
-                                        <subviews>
-                                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="W6V-cT-b8Q" customClass="BlueFilledButton" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                                <rect key="frame" x="0.0" y="0.0" width="163.5" height="40"/>
-                                                <constraints>
-                                                    <constraint firstAttribute="height" constant="40" id="MdR-sO-dac"/>
-                                                </constraints>
-                                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="13"/>
-                                                <state key="normal" title="Show"/>
-                                                <connections>
-                                                    <action selector="showButtonTouchUpInside:" destination="vXZ-lx-hvc" eventType="touchUpInside" id="cns-MK-XRQ"/>
-                                                </connections>
-                                            </button>
-                                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="mLp-ey-yd5" customClass="BlueFilledButton" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                                <rect key="frame" x="179.5" y="0.0" width="163.5" height="40"/>
-                                                <constraints>
-                                                    <constraint firstAttribute="height" constant="40" id="vge-I5-pFX"/>
-                                                </constraints>
-                                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="13"/>
-                                                <state key="normal" title="Hide"/>
-                                                <connections>
-                                                    <action selector="hideButtonTouchUpInside:" destination="vXZ-lx-hvc" eventType="touchUpInside" id="Cyb-6a-nJk"/>
-                                                </connections>
-                                            </button>
-                                        </subviews>
-                                    </stackView>
-                                </subviews>
-                                <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
-                                <constraints>
-                                    <constraint firstItem="Hrq-tB-Sk3" firstAttribute="leading" secondItem="vCz-UL-eay" secondAttribute="leading" constant="16" id="Er7-gx-Ray"/>
-                                    <constraint firstItem="Hrq-tB-Sk3" firstAttribute="centerY" secondItem="vCz-UL-eay" secondAttribute="centerY" id="MB9-lc-dAX"/>
-                                    <constraint firstAttribute="trailing" secondItem="Hrq-tB-Sk3" secondAttribute="trailing" constant="16" id="ao9-tR-lfs"/>
-                                </constraints>
-                            </view>
-                        </subviews>
-                        <color key="backgroundColor" systemColor="secondarySystemBackgroundColor" red="0.94901960780000005" green="0.94901960780000005" blue="0.96862745100000003" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <constraints>
-                            <constraint firstItem="V1J-1V-cbT" firstAttribute="trailing" secondItem="kh9-bI-dsS" secondAttribute="trailing" id="9TW-dR-0YF"/>
-                            <constraint firstItem="2fi-mo-0CV" firstAttribute="top" secondItem="vCz-UL-eay" secondAttribute="bottom" id="BSE-5g-uVL"/>
-                            <constraint firstItem="vCz-UL-eay" firstAttribute="leading" secondItem="kh9-bI-dsS" secondAttribute="leading" id="Lym-2g-94s"/>
-                            <constraint firstItem="V1J-1V-cbT" firstAttribute="leading" secondItem="kh9-bI-dsS" secondAttribute="leading" id="PZZ-lR-n3R"/>
-                            <constraint firstItem="V1J-1V-cbT" firstAttribute="top" secondItem="jyV-Pf-zRb" secondAttribute="bottom" id="VPm-eG-4vI"/>
-                            <constraint firstItem="vCz-UL-eay" firstAttribute="top" secondItem="V1J-1V-cbT" secondAttribute="bottom" id="Vhb-09-feC"/>
-                            <constraint firstAttribute="trailing" secondItem="vCz-UL-eay" secondAttribute="trailing" id="d0u-3Y-rTF"/>
-                        </constraints>
-                    </view>
-                    <tabBarItem key="tabBarItem" title="Basic Example" image="house" catalog="system" id="QbQ-0M-Q7f"/>
-                    <navigationItem key="navigationItem" title="Basic Example" prompt="Gradient Loading Bar" largeTitleDisplayMode="always" id="Rdw-Bd-vul"/>
-                </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="x5A-6p-PRh" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="-969" y="940"/>
-        </scene>
-        <!--Navigation Bar Example-->
-        <scene sceneID="Blz-xb-a2R">
-            <objects>
-                <viewController id="sEh-Tc-lv1" userLabel="Navigation Bar Example" customClass="NavigationBarExampleViewController" customModule="GradientLoadingBar_Example" customModuleProvider="target" sceneMemberID="viewController">
-                    <layoutGuides>
-                        <viewControllerLayoutGuide type="top" id="Iik-d0-ufh"/>
-                        <viewControllerLayoutGuide type="bottom" id="J9t-Vs-nTW"/>
-                    </layoutGuides>
-                    <view key="view" contentMode="scaleToFill" id="iwi-Ev-GiP">
-                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <subviews>
-                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="wLK-vz-uDn" userLabel="Wrapper View">
-                                <rect key="frame" x="0.0" y="138.5" width="375" height="479.5"/>
-                                <subviews>
-                                    <stackView opaque="NO" contentMode="scaleToFill" distribution="fillEqually" alignment="center" spacing="16" translatesAutoresizingMaskIntoConstraints="NO" id="xhZ-U8-Vur">
-                                        <rect key="frame" x="16" y="220" width="343" height="40"/>
-                                        <subviews>
-                                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="Ogf-h2-Nhm" customClass="BlueFilledButton" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                                <rect key="frame" x="0.0" y="0.0" width="163.5" height="40"/>
-                                                <constraints>
-                                                    <constraint firstAttribute="height" constant="40" id="Ae3-GF-JqK"/>
-                                                </constraints>
-                                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="13"/>
-                                                <state key="normal" title="Show"/>
-                                                <connections>
-                                                    <action selector="showButtonTouchUpInside:" destination="sEh-Tc-lv1" eventType="touchUpInside" id="8M0-h9-3np"/>
-                                                </connections>
-                                            </button>
-                                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="ZBM-PV-ZnL" customClass="BlueFilledButton" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                                <rect key="frame" x="179.5" y="0.0" width="163.5" height="40"/>
-                                                <constraints>
-                                                    <constraint firstAttribute="height" constant="40" id="2cO-9h-Wp9"/>
-                                                </constraints>
-                                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="13"/>
-                                                <state key="normal" title="Hide"/>
-                                                <connections>
-                                                    <action selector="hideButtonTouchUpInside:" destination="sEh-Tc-lv1" eventType="touchUpInside" id="oAh-2i-goU"/>
-                                                </connections>
-                                            </button>
-                                        </subviews>
-                                    </stackView>
-                                </subviews>
-                                <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
-                                <constraints>
-                                    <constraint firstAttribute="trailing" secondItem="xhZ-U8-Vur" secondAttribute="trailing" constant="16" id="2sW-85-0wR"/>
-                                    <constraint firstItem="xhZ-U8-Vur" firstAttribute="leading" secondItem="wLK-vz-uDn" secondAttribute="leading" constant="16" id="Al7-Jv-AJK"/>
-                                    <constraint firstItem="xhZ-U8-Vur" firstAttribute="centerY" secondItem="wLK-vz-uDn" secondAttribute="centerY" id="zTM-SW-qLa"/>
-                                </constraints>
-                            </view>
-                        </subviews>
-                        <color key="backgroundColor" systemColor="secondarySystemBackgroundColor" red="0.94901960780000005" green="0.94901960780000005" blue="0.96862745100000003" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <constraints>
-                            <constraint firstItem="wLK-vz-uDn" firstAttribute="leading" secondItem="iwi-Ev-GiP" secondAttribute="leading" id="A9Q-8d-dYD"/>
-                            <constraint firstItem="wLK-vz-uDn" firstAttribute="top" secondItem="Iik-d0-ufh" secondAttribute="bottom" id="Pna-g3-eRn"/>
-                            <constraint firstAttribute="trailing" secondItem="wLK-vz-uDn" secondAttribute="trailing" id="Vn7-pj-36y"/>
-                            <constraint firstItem="J9t-Vs-nTW" firstAttribute="top" secondItem="wLK-vz-uDn" secondAttribute="bottom" id="b3J-NQ-cWP"/>
-                        </constraints>
-                    </view>
-                    <navigationItem key="navigationItem" title="💡 Navigation Bar Example" prompt="– Gradient Loading Bar –" largeTitleDisplayMode="always" id="q3W-Ea-vnS"/>
-                    <simulatedTabBarMetrics key="simulatedBottomBarMetrics"/>
-                </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="3VI-no-5Tx" userLabel="First Responder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="2009" y="1661"/>
-        </scene>
-        <!--Safe Area Example-->
-        <scene sceneID="0Ok-vd-ZTP">
-            <objects>
-                <viewController id="G0W-Ta-C7r" userLabel="Safe Area Example" customClass="SafeAreaExampleViewController" customModule="GradientLoadingBar_Example" customModuleProvider="target" sceneMemberID="viewController">
-                    <layoutGuides>
-                        <viewControllerLayoutGuide type="top" id="4Ae-UH-dXd"/>
-                        <viewControllerLayoutGuide type="bottom" id="9TC-19-AMF"/>
-                    </layoutGuides>
-                    <view key="view" contentMode="scaleToFill" id="5Bk-7E-1bh">
-                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <subviews>
-                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="tyJ-Wx-jmZ" customClass="LargeNavigationBarHeaderView" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                <rect key="frame" x="0.0" y="0.0" width="375" height="138"/>
-                                <constraints>
-                                    <constraint firstAttribute="height" constant="138" id="toR-QS-r8U"/>
-                                </constraints>
-                                <userDefinedRuntimeAttributes>
-                                    <userDefinedRuntimeAttribute type="string" keyPath="title" value="📲 Safe Area Example"/>
-                                    <userDefinedRuntimeAttribute type="string" keyPath="prompt" value="– Gradient Loading Bar –"/>
-                                </userDefinedRuntimeAttributes>
-                            </view>
-                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="cQz-wE-hV5" userLabel="Wrapper View">
-                                <rect key="frame" x="0.0" y="138" width="375" height="480"/>
-                                <subviews>
-                                    <stackView opaque="NO" contentMode="scaleToFill" distribution="fillEqually" alignment="center" spacing="16" translatesAutoresizingMaskIntoConstraints="NO" id="oWt-EZ-h2R" userLabel="Upper Stack View">
-                                        <rect key="frame" x="16" y="192" width="343" height="40"/>
-                                        <subviews>
-                                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="6AO-o8-uCr" userLabel="Show Button" customClass="BlueFilledButton" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                                <rect key="frame" x="0.0" y="0.0" width="163.5" height="40"/>
-                                                <constraints>
-                                                    <constraint firstAttribute="height" constant="40" id="JJW-aV-Rqk"/>
-                                                </constraints>
-                                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="13"/>
-                                                <state key="normal" title="Show Basic Bar"/>
-                                                <connections>
-                                                    <action selector="showBasicBarButtonTouchUpInside:" destination="G0W-Ta-C7r" eventType="touchUpInside" id="Nbx-cD-Wmk"/>
-                                                </connections>
-                                            </button>
-                                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="enr-bC-bdY" userLabel="Hide Button" customClass="BlueFilledButton" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                                <rect key="frame" x="179.5" y="0.0" width="163.5" height="40"/>
-                                                <constraints>
-                                                    <constraint firstAttribute="height" constant="40" id="tlC-vL-RSX"/>
-                                                </constraints>
-                                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="13"/>
-                                                <state key="normal" title="Hide Basic Bar"/>
-                                                <connections>
-                                                    <action selector="hideBasicBarButtonTouchUpInside:" destination="G0W-Ta-C7r" eventType="touchUpInside" id="Um3-56-3gL"/>
-                                                </connections>
-                                            </button>
-                                        </subviews>
-                                    </stackView>
-                                    <stackView opaque="NO" contentMode="scaleToFill" distribution="fillEqually" alignment="center" spacing="16" translatesAutoresizingMaskIntoConstraints="NO" id="eno-YK-fo8" userLabel="Lower Stack View">
-                                        <rect key="frame" x="16" y="248" width="343" height="40"/>
-                                        <subviews>
-                                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="oLd-Dp-Iks" customClass="BlueFilledButton" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                                <rect key="frame" x="0.0" y="0.0" width="163.5" height="40"/>
-                                                <constraints>
-                                                    <constraint firstAttribute="height" constant="40" id="DIo-cN-15i"/>
-                                                </constraints>
-                                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="13"/>
-                                                <state key="normal" title="Show Notch Bar"/>
-                                                <connections>
-                                                    <action selector="showNotchBarButtonTouchUpInside:" destination="G0W-Ta-C7r" eventType="touchUpInside" id="Q1l-9E-ova"/>
-                                                </connections>
-                                            </button>
-                                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="S86-Vf-cv9" customClass="BlueFilledButton" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                                <rect key="frame" x="179.5" y="0.0" width="163.5" height="40"/>
-                                                <constraints>
-                                                    <constraint firstAttribute="height" constant="40" id="oOd-1X-Klv"/>
-                                                </constraints>
-                                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="13"/>
-                                                <state key="normal" title="Hide Notch Bar"/>
-                                                <connections>
-                                                    <action selector="hideNotchBarButtonTouchUpInside:" destination="G0W-Ta-C7r" eventType="touchUpInside" id="nJm-HD-YTg"/>
-                                                </connections>
-                                            </button>
-                                        </subviews>
-                                    </stackView>
-                                </subviews>
-                                <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
-                                <constraints>
-                                    <constraint firstItem="oWt-EZ-h2R" firstAttribute="bottom" secondItem="cQz-wE-hV5" secondAttribute="centerY" constant="-8" id="77C-lL-1fS"/>
-                                    <constraint firstItem="oWt-EZ-h2R" firstAttribute="leading" secondItem="cQz-wE-hV5" secondAttribute="leading" constant="16" id="Hjd-XM-aek"/>
-                                    <constraint firstAttribute="trailing" secondItem="oWt-EZ-h2R" secondAttribute="trailing" constant="16" id="ifg-oy-eiV"/>
-                                    <constraint firstAttribute="trailing" secondItem="eno-YK-fo8" secondAttribute="trailing" constant="16" id="o3h-uA-jbM"/>
-                                    <constraint firstItem="eno-YK-fo8" firstAttribute="top" secondItem="cQz-wE-hV5" secondAttribute="centerY" constant="8" id="rVX-yO-z4X"/>
-                                    <constraint firstItem="eno-YK-fo8" firstAttribute="leading" secondItem="cQz-wE-hV5" secondAttribute="leading" constant="16" id="zaJ-tE-bCY"/>
-                                </constraints>
-                            </view>
-                        </subviews>
-                        <color key="backgroundColor" systemColor="secondarySystemBackgroundColor" red="0.94901960780000005" green="0.94901960780000005" blue="0.96862745100000003" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <constraints>
-                            <constraint firstItem="tyJ-Wx-jmZ" firstAttribute="leading" secondItem="5Bk-7E-1bh" secondAttribute="leading" id="BGY-Fa-Ib2"/>
-                            <constraint firstAttribute="trailing" secondItem="cQz-wE-hV5" secondAttribute="trailing" id="KmM-2A-jAw"/>
-                            <constraint firstItem="cQz-wE-hV5" firstAttribute="top" secondItem="tyJ-Wx-jmZ" secondAttribute="bottom" id="NJ3-mJ-mLD"/>
-                            <constraint firstItem="cQz-wE-hV5" firstAttribute="leading" secondItem="5Bk-7E-1bh" secondAttribute="leading" id="dID-N8-kru"/>
-                            <constraint firstItem="tyJ-Wx-jmZ" firstAttribute="top" secondItem="4Ae-UH-dXd" secondAttribute="bottom" id="obq-xF-4qg"/>
-                            <constraint firstItem="9TC-19-AMF" firstAttribute="top" secondItem="cQz-wE-hV5" secondAttribute="bottom" id="qfC-iN-Dv4"/>
-                            <constraint firstAttribute="trailing" secondItem="tyJ-Wx-jmZ" secondAttribute="trailing" id="u0E-oe-0ko"/>
-                        </constraints>
-                    </view>
-                    <tabBarItem key="tabBarItem" title="Safe Area Example" image="rectangle.and.arrow.up.right.and.arrow.down.left" catalog="system" id="VBS-L1-AHW"/>
-                    <simulatedTabBarMetrics key="simulatedBottomBarMetrics"/>
-                </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="oYv-dl-Yai" userLabel="First Responder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="-214" y="940"/>
-        </scene>
-        <!--Interface Builder Example-->
-        <scene sceneID="NSv-IO-1Fu">
-            <objects>
-                <viewController title="Interface Builder Example" id="kcg-0d-bdI" customClass="InterfaceBuilderExampleViewController" customModule="GradientLoadingBar_Example" customModuleProvider="target" sceneMemberID="viewController">
-                    <layoutGuides>
-                        <viewControllerLayoutGuide type="top" id="znh-se-r1k"/>
-                        <viewControllerLayoutGuide type="bottom" id="Ruy-Se-i9x"/>
-                    </layoutGuides>
-                    <view key="view" contentMode="scaleToFill" id="G47-Se-1Pm">
-                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <subviews>
-                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="ei7-8i-vp4" customClass="LargeNavigationBarHeaderView" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                <rect key="frame" x="0.0" y="0.0" width="375" height="138"/>
-                                <constraints>
-                                    <constraint firstAttribute="height" constant="138" id="z0S-oU-OR8"/>
-                                </constraints>
-                                <userDefinedRuntimeAttributes>
-                                    <userDefinedRuntimeAttribute type="string" keyPath="title" value="🎨 Interface Builder Example"/>
-                                    <userDefinedRuntimeAttribute type="string" keyPath="prompt" value="– Gradient Loading Bar –"/>
-                                </userDefinedRuntimeAttributes>
-                            </view>
-                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="mbb-4g-X9Q" userLabel="Wrapper View">
-                                <rect key="frame" x="0.0" y="138" width="375" height="480"/>
-                                <subviews>
-                                    <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="Yze-Dk-6Ol" customClass="GradientActivityIndicatorView" customModule="GradientLoadingBar">
-                                        <rect key="frame" x="16" y="16" width="343" height="3"/>
-                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
-                                        <constraints>
-                                            <constraint firstAttribute="height" constant="3" id="jPq-M8-Jzb"/>
-                                        </constraints>
-                                        <userDefinedRuntimeAttributes>
-                                            <userDefinedRuntimeAttribute type="string" keyPath="layer.cornerRadius" value="3"/>
-                                        </userDefinedRuntimeAttributes>
-                                    </view>
-                                    <stackView opaque="NO" contentMode="scaleToFill" distribution="fillEqually" alignment="center" spacing="16" translatesAutoresizingMaskIntoConstraints="NO" id="B2P-Ta-wQl">
-                                        <rect key="frame" x="16" y="220" width="343" height="40"/>
-                                        <subviews>
-                                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="FVq-l4-0tb" customClass="BlueFilledButton" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                                <rect key="frame" x="0.0" y="0.0" width="163.5" height="40"/>
-                                                <constraints>
-                                                    <constraint firstAttribute="height" constant="40" id="hLM-JF-3uL"/>
-                                                </constraints>
-                                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="13"/>
-                                                <state key="normal" title="Show"/>
-                                                <connections>
-                                                    <action selector="showButtonTouchUpInside:" destination="kcg-0d-bdI" eventType="touchUpInside" id="bBo-X1-9o5"/>
-                                                </connections>
-                                            </button>
-                                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="FWL-hp-DMs" customClass="BlueFilledButton" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                                <rect key="frame" x="179.5" y="0.0" width="163.5" height="40"/>
-                                                <constraints>
-                                                    <constraint firstAttribute="height" constant="40" id="6jt-g9-DcI"/>
-                                                </constraints>
-                                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="13"/>
-                                                <state key="normal" title="Hide"/>
-                                                <connections>
-                                                    <action selector="hideButtonTouchUpInside:" destination="kcg-0d-bdI" eventType="touchUpInside" id="Zvk-pf-LDf"/>
-                                                </connections>
-                                            </button>
-                                        </subviews>
-                                    </stackView>
-                                </subviews>
-                                <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
-                                <constraints>
-                                    <constraint firstAttribute="trailing" secondItem="Yze-Dk-6Ol" secondAttribute="trailing" constant="16" id="7Ae-mT-LLE"/>
-                                    <constraint firstItem="B2P-Ta-wQl" firstAttribute="leading" secondItem="mbb-4g-X9Q" secondAttribute="leading" constant="16" id="8cK-1Z-B70"/>
-                                    <constraint firstItem="Yze-Dk-6Ol" firstAttribute="leading" secondItem="mbb-4g-X9Q" secondAttribute="leading" constant="16" id="S1n-Cp-vlD"/>
-                                    <constraint firstItem="Yze-Dk-6Ol" firstAttribute="top" secondItem="mbb-4g-X9Q" secondAttribute="top" constant="16" id="asL-T7-vTV"/>
-                                    <constraint firstItem="B2P-Ta-wQl" firstAttribute="centerY" secondItem="mbb-4g-X9Q" secondAttribute="centerY" id="p7F-Kt-bT7"/>
-                                    <constraint firstAttribute="trailing" secondItem="B2P-Ta-wQl" secondAttribute="trailing" constant="16" id="tr4-w5-D3I"/>
-                                </constraints>
-                            </view>
-                        </subviews>
-                        <color key="backgroundColor" systemColor="secondarySystemBackgroundColor" red="0.94901960780000005" green="0.94901960780000005" blue="0.96862745100000003" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <constraints>
-                            <constraint firstAttribute="trailing" secondItem="mbb-4g-X9Q" secondAttribute="trailing" id="7JI-Cf-Lbi"/>
-                            <constraint firstItem="mbb-4g-X9Q" firstAttribute="leading" secondItem="G47-Se-1Pm" secondAttribute="leading" id="ASY-d8-7lc"/>
-                            <constraint firstItem="mbb-4g-X9Q" firstAttribute="top" secondItem="ei7-8i-vp4" secondAttribute="bottom" id="CIq-u8-sbE"/>
-                            <constraint firstItem="ei7-8i-vp4" firstAttribute="top" secondItem="znh-se-r1k" secondAttribute="bottom" id="G4H-cR-m9r"/>
-                            <constraint firstAttribute="trailing" secondItem="ei7-8i-vp4" secondAttribute="trailing" id="hCK-vS-hrZ"/>
-                            <constraint firstItem="ei7-8i-vp4" firstAttribute="leading" secondItem="G47-Se-1Pm" secondAttribute="leading" id="hch-Ju-3QH"/>
-                            <constraint firstItem="Ruy-Se-i9x" firstAttribute="top" secondItem="mbb-4g-X9Q" secondAttribute="bottom" id="zdn-6E-6mg"/>
-                        </constraints>
-                    </view>
-                    <tabBarItem key="tabBarItem" title="Interface Builder" image="photo" catalog="system" id="q1l-pB-Q4T"/>
-                    <connections>
-                        <outlet property="gradientActivityIndicatorView" destination="Yze-Dk-6Ol" id="v8n-H3-yyR"/>
-                    </connections>
-                </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="4Yh-MD-f7b" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="537" y="940"/>
-        </scene>
-        <!--Advanced Example-->
-        <scene sceneID="7wr-48-QKh">
-            <objects>
-                <viewController id="l28-cg-vu8" customClass="AdvancedExampleViewController" customModule="GradientLoadingBar_Example" customModuleProvider="target" sceneMemberID="viewController">
-                    <layoutGuides>
-                        <viewControllerLayoutGuide type="top" id="vvP-wW-eUz"/>
-                        <viewControllerLayoutGuide type="bottom" id="9Nv-iX-Uwf"/>
-                    </layoutGuides>
-                    <view key="view" contentMode="scaleToFill" id="EZo-KN-FDG">
-                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <subviews>
-                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="qZq-9D-wpV" customClass="LargeNavigationBarHeaderView" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                <rect key="frame" x="0.0" y="0.0" width="375" height="138"/>
-                                <constraints>
-                                    <constraint firstAttribute="height" constant="138" id="St1-Xs-Hvy"/>
-                                </constraints>
-                                <userDefinedRuntimeAttributes>
-                                    <userDefinedRuntimeAttribute type="string" keyPath="title" value="🚀 Advanced Example"/>
-                                    <userDefinedRuntimeAttribute type="string" keyPath="prompt" value="– Gradient Loading Bar –"/>
-                                </userDefinedRuntimeAttributes>
-                            </view>
-                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="sJk-2n-yVK" userLabel="Wrapper View">
-                                <rect key="frame" x="0.0" y="138" width="375" height="480"/>
-                                <subviews>
-                                    <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" distribution="fillEqually" spacing="12" translatesAutoresizingMaskIntoConstraints="NO" id="wzq-Eo-AIU">
-                                        <rect key="frame" x="16" y="194" width="343" height="92"/>
-                                        <subviews>
-                                            <button opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="JKA-wf-nyj" userLabel="Toggle Programatically Button" customClass="BlueBorderedButton" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                                <rect key="frame" x="0.0" y="0.0" width="343" height="40"/>
-                                                <constraints>
-                                                    <constraint firstAttribute="height" constant="40" id="sKv-MC-7kH"/>
-                                                </constraints>
-                                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="13"/>
-                                                <state key="normal" title="Custom Superview"/>
-                                                <connections>
-                                                    <action selector="toggleProgrammaticallyButtonTouchUpInside:" destination="l28-cg-vu8" eventType="touchUpInside" id="tZg-ye-xbi"/>
-                                                </connections>
-                                            </button>
-                                            <button opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="Cbn-y8-lGV" userLabel="Toggle Custom Colors Button" customClass="BlueBorderedButton" customModule="GradientLoadingBar_Example" customModuleProvider="target">
-                                                <rect key="frame" x="0.0" y="52" width="343" height="40"/>
-                                                <constraints>
-                                                    <constraint firstAttribute="height" constant="40" id="emu-Jk-zMc"/>
-                                                </constraints>
-                                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="13"/>
-                                                <state key="normal" title="Custom Colors"/>
-                                                <connections>
-                                                    <action selector="toggleCustomColorsButtonTouchUpInside:" destination="l28-cg-vu8" eventType="touchUpInside" id="BZJ-7f-xNF"/>
-                                                </connections>
-                                            </button>
-                                        </subviews>
-                                    </stackView>
-                                </subviews>
-                                <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
-                                <constraints>
-                                    <constraint firstItem="wzq-Eo-AIU" firstAttribute="leading" secondItem="sJk-2n-yVK" secondAttribute="leading" constant="16" id="139-Ak-t87"/>
-                                    <constraint firstItem="wzq-Eo-AIU" firstAttribute="centerY" secondItem="sJk-2n-yVK" secondAttribute="centerY" id="IqE-ns-FHJ"/>
-                                    <constraint firstAttribute="trailing" secondItem="wzq-Eo-AIU" secondAttribute="trailing" constant="16" id="fcI-El-SAu"/>
-                                </constraints>
-                            </view>
-                        </subviews>
-                        <color key="backgroundColor" systemColor="secondarySystemBackgroundColor" red="0.94901960780000005" green="0.94901960780000005" blue="0.96862745100000003" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <constraints>
-                            <constraint firstItem="sJk-2n-yVK" firstAttribute="top" secondItem="qZq-9D-wpV" secondAttribute="bottom" id="12P-NY-VtG"/>
-                            <constraint firstItem="9Nv-iX-Uwf" firstAttribute="top" secondItem="sJk-2n-yVK" secondAttribute="bottom" id="3ZY-rc-hVf"/>
-                            <constraint firstAttribute="trailing" secondItem="sJk-2n-yVK" secondAttribute="trailing" id="Hqt-KP-eSH"/>
-                            <constraint firstItem="qZq-9D-wpV" firstAttribute="top" secondItem="vvP-wW-eUz" secondAttribute="bottom" id="IEz-PS-kaF"/>
-                            <constraint firstItem="sJk-2n-yVK" firstAttribute="leading" secondItem="EZo-KN-FDG" secondAttribute="leading" id="ZPm-e3-QdJ"/>
-                            <constraint firstAttribute="trailing" secondItem="qZq-9D-wpV" secondAttribute="trailing" id="kc6-MY-EP0"/>
-                            <constraint firstItem="qZq-9D-wpV" firstAttribute="leading" secondItem="EZo-KN-FDG" secondAttribute="leading" id="piA-rQ-qe8"/>
-                        </constraints>
-                    </view>
-                    <tabBarItem key="tabBarItem" title="Advanced Example" image="paperplane.fill" catalog="system" id="SyM-zw-tlg"/>
-                    <simulatedTabBarMetrics key="simulatedBottomBarMetrics"/>
-                    <connections>
-                        <outlet property="customColorsButton" destination="Cbn-y8-lGV" id="1ag-73-Mlh"/>
-                        <outlet property="programmaticallyButton" destination="JKA-wf-nyj" id="JRN-do-tSa"/>
-                    </connections>
-                </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="fkr-pn-u5J" userLabel="First Responder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="1273" y="940"/>
-        </scene>
-        <!--Tab Bar Controller-->
-        <scene sceneID="gvY-1y-2Wb">
-            <objects>
-                <tabBarController automaticallyAdjustsScrollViewInsets="NO" id="31S-8b-Niv" sceneMemberID="viewController">
-                    <toolbarItems/>
-                    <tabBar key="tabBar" contentMode="scaleToFill" insetsLayoutMarginsFromSafeArea="NO" id="BSb-DD-oqz">
-                        <rect key="frame" x="0.0" y="0.0" width="1000" height="1000"/>
-                        <autoresizingMask key="autoresizingMask"/>
-                        <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
-                    </tabBar>
-                    <connections>
-                        <segue destination="vXZ-lx-hvc" kind="relationship" relationship="viewControllers" id="tyB-Oz-z6h"/>
-                        <segue destination="G0W-Ta-C7r" kind="relationship" relationship="viewControllers" id="hPt-bW-PMO"/>
-                        <segue destination="kcg-0d-bdI" kind="relationship" relationship="viewControllers" id="aD4-eR-rCH"/>
-                        <segue destination="l28-cg-vu8" kind="relationship" relationship="viewControllers" id="4rs-U7-89R"/>
-                        <segue destination="uZS-9p-82D" kind="relationship" relationship="viewControllers" id="Dcr-pe-ish"/>
-                    </connections>
-                </tabBarController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="AXu-pz-Fer" userLabel="First Responder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="538" y="134"/>
-        </scene>
-        <!--Nav Bar Example-->
-        <scene sceneID="HFG-Xb-221">
-            <objects>
-                <navigationController automaticallyAdjustsScrollViewInsets="NO" id="uZS-9p-82D" sceneMemberID="viewController">
-                    <tabBarItem key="tabBarItem" title="Nav Bar Example" image="lightbulb.fill" catalog="system" id="r91-al-1Rr"/>
-                    <toolbarItems/>
-                    <navigationBar key="navigationBar" contentMode="scaleToFill" insetsLayoutMarginsFromSafeArea="NO" largeTitles="YES" id="zAv-AH-IlN">
-                        <rect key="frame" x="0.0" y="0.0" width="375" height="96"/>
-                        <autoresizingMask key="autoresizingMask"/>
-                    </navigationBar>
-                    <nil name="viewControllers"/>
-                    <connections>
-                        <segue destination="sEh-Tc-lv1" kind="relationship" relationship="rootViewController" id="Jor-5M-Hj4"/>
-                    </connections>
-                </navigationController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="yG3-j8-Ejc" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="2009" y="940"/>
-        </scene>
-    </scenes>
-    <resources>
-        <image name="house" catalog="system" width="128" height="110"/>
-        <image name="lightbulb.fill" catalog="system" width="113" height="128"/>
-        <image name="paperplane.fill" catalog="system" width="128" height="121"/>
-        <image name="photo" catalog="system" width="128" height="93"/>
-        <image name="rectangle.and.arrow.up.right.and.arrow.down.left" catalog="system" width="121" height="128"/>
-    </resources>
-</document>

Example/GradientLoadingBar/Extensions/UIColor+CustomColors.swift

@@ -1,16 +0,0 @@
-//
-//  UIColor+CustomColors.swift
-//  GradientLoadingBar_Example
-//
-//  Created by Felix Mau on 29.08.18.
-//  Copyright © 2018 Felix Mau. All rights reserved.
-//
-
-import UIKit
-
-extension UIColor {
-    /// Config that contains all our custom defined colors.
-    enum CustomColors {
-        static let blue = #colorLiteral(red: 0.2862745098, green: 0.5647058824, blue: 0.8862745098, alpha: 1)
-    }
-}

Example/GradientLoadingBar/Info.plist

@@ -1,41 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>CFBundleDevelopmentRegion</key>
-	<string>en</string>
-	<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
-	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-	<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
-	<key>CFBundleName</key>
-	<string>$(PRODUCT_NAME)</string>
-	<key>CFBundlePackageType</key>
-	<string>APPL</string>
-	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
-	<key>CFBundleSignature</key>
-	<string>????</string>
-	<key>CFBundleVersion</key>
-	<string>1</string>
-	<key>LSRequiresIPhoneOS</key>
-	<true/>
-	<key>UILaunchStoryboardName</key>
-	<string>LaunchScreen</string>
-	<key>UIMainStoryboardFile</key>
-	<string>Main</string>
-	<key>UIRequiredDeviceCapabilities</key>
-	<array>
-		<string>armv7</string>
-	</array>
-	<key>UISupportedInterfaceOrientations</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
-		<string>UIInterfaceOrientationPortraitUpsideDown</string>
-	</array>
-</dict>
-</plist>

Example/GradientLoadingBar/InterfaceBuilderExampleViewController.swift

@@ -1,32 +0,0 @@
-//
-//  InterfaceBuilderExampleViewController.swift
-//  GradientLoadingBar_Example
-//
-//  Created by Felix Mau on 12.10.19.
-//  Copyright © 2018 Felix Mau. All rights reserved.
-//
-
-import UIKit
-import GradientLoadingBar
-
-class InterfaceBuilderExampleViewController: UIViewController {
-    // MARK: - Outlets
-
-    @IBOutlet private var gradientActivityIndicatorView: GradientActivityIndicatorView!
-
-    // MARK: - Public methods
-
-    override func viewWillDisappear(_ animated: Bool) {
-        super.viewWillDisappear(animated)
-
-        gradientActivityIndicatorView.fadeOut()
-    }
-
-    @IBAction private func showButtonTouchUpInside(_: Any) {
-        gradientActivityIndicatorView.fadeIn()
-    }
-
-    @IBAction private func hideButtonTouchUpInside(_: Any) {
-        gradientActivityIndicatorView.fadeOut()
-    }
-}

Example/GradientLoadingBar/Views/BlueBorderedButton.swift

@@ -1,37 +0,0 @@
-//
-//  BlueBorderedButton.swift
-//  GradientLoadingBar_Example
-//
-//  Created by Felix Mau on 29.08.18.
-//  Copyright © 2018 Felix Mau. All rights reserved.
-//
-
-import UIKit
-
-@IBDesignable
-final class BlueBorderedButton: UIButton {
-    // MARK: - Initializer
-
-    override init(frame: CGRect) {
-        super.init(frame: frame)
-
-        commonInit()
-    }
-
-    required init?(coder aDecoder: NSCoder) {
-        super.init(coder: aDecoder)
-
-        commonInit()
-    }
-
-    // MARK: - Private methods
-
-    private func commonInit() {
-        backgroundColor = .clear
-        tintColor = UIColor.CustomColors.blue
-
-        layer.cornerRadius = 4
-        layer.borderColor = UIColor.CustomColors.blue.cgColor
-        layer.borderWidth = 1
-    }
-}

Example/GradientLoadingBar/Views/BlueFilledButton.swift

@@ -1,41 +0,0 @@
-//
-//  BlueFilledButton.swift
-//  GradientLoadingBar_Example
-//
-//  Created by Felix Mau on 29.08.18.
-//  Copyright © 2018 Felix Mau. All rights reserved.
-//
-
-import UIKit
-
-@IBDesignable
-final class BlueFilledButton: UIButton {
-    // MARK: - Initializer
-
-    override init(frame: CGRect) {
-        super.init(frame: frame)
-
-        commonInit()
-    }
-
-    required init?(coder aDecoder: NSCoder) {
-        super.init(coder: aDecoder)
-
-        commonInit()
-    }
-
-    override func prepareForInterfaceBuilder() {
-        super.prepareForInterfaceBuilder()
-
-        commonInit()
-    }
-
-    // MARK: - Private methods
-
-    private func commonInit() {
-        tintColor = .white
-        backgroundColor = UIColor.CustomColors.blue
-
-        layer.cornerRadius = 4.0
-    }
-}

Example/GradientLoadingBar/Views/LargeNavigationBarHeaderView.swift

@@ -1,85 +0,0 @@
-//
-//  LargeNavigationBarHeaderView.swift
-//  GradientLoadingBar_Example
-//
-//  Created by Felix Mau on 23.09.19.
-//  Copyright © 2019 CocoaPods. All rights reserved.
-//
-
-import UIKit
-
-@IBDesignable
-final class LargeNavigationBarHeaderView: UIView {
-    // MARK: - Public properties
-
-    @IBInspectable var title: String = "" {
-        didSet {
-            titleLabel.text = title
-        }
-    }
-
-    @IBInspectable var prompt: String = "" {
-        didSet {
-            promptLabel.text = prompt
-        }
-    }
-
-    // MARK: - Private properties
-
-    private let titleLabel = UILabel(frame: .zero)
-
-    private let promptLabel = UILabel(frame: .zero)
-
-    // MARK: - Initializer
-
-    override init(frame: CGRect) {
-        super.init(frame: frame)
-
-        commonInit()
-    }
-
-    required init?(coder: NSCoder) {
-        super.init(coder: coder)
-
-        commonInit()
-    }
-
-    // MARK: - Private methods
-
-    private func commonInit() {
-        setupTitleLabel()
-        setupPromptLabel()
-    }
-
-    private func setupTitleLabel() {
-        let fontDescriptor = UIFontDescriptor.preferredFontDescriptor(withTextStyle: .largeTitle)
-        titleLabel.font = UIFont.systemFont(ofSize: fontDescriptor.pointSize, weight: .bold)
-        titleLabel.textColor = .label
-
-        titleLabel.translatesAutoresizingMaskIntoConstraints = false
-        addSubview(titleLabel)
-
-        NSLayoutConstraint.activate([
-            titleLabel.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 16.0),
-            titleLabel.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -16.0),
-
-            titleLabel.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -8.0),
-        ])
-    }
-
-    private func setupPromptLabel() {
-        promptLabel.font = UIFont.preferredFont(forTextStyle: .footnote)
-        promptLabel.textAlignment = .center
-        promptLabel.textColor = .label
-
-        promptLabel.translatesAutoresizingMaskIntoConstraints = false
-        addSubview(promptLabel)
-
-        NSLayoutConstraint.activate([
-            promptLabel.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 8.0),
-            promptLabel.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -8.0),
-
-            promptLabel.topAnchor.constraint(equalTo: topAnchor, constant: 9.5),
-        ])
-    }
-}

Example/Podfile

@@ -4,7 +4,7 @@ source 'https://github.com/CocoaPods/Specs.git'
 platform :ios, '13.0'
 use_frameworks!
 
-target 'GradientLoadingBar_Example' do
+target 'Example' do
   pod 'GradientLoadingBar', :path => '../'
 
 # Development pods.
@@ -12,22 +12,41 @@ target 'GradientLoadingBar_Example' do
   pod 'SwiftLint', '~> 0.42'
   pod 'SwiftConfigurationFiles', :git => 'https://github.com/fxm90/SwiftConfigurationFiles.git'
 
-  target 'GradientLoadingBar_Tests' do
+  target 'ExampleTests' do
     inherit! :search_paths
-
-    # Pods for testing.
+    # Pods for testing
   end
 
-  target 'GradientLoadingBar_SnapshotTests' do
+  target 'ExampleSnapshotTests' do
     inherit! :search_paths
 
     # Pods for snapshot testing.
-    pod 'SnapshotTesting', '~> 1.7', :inhibit_warnings => true
+    pod 'SnapshotTesting', '~> 1.9', :inhibit_warnings => true
   end
 
   post_install do |installer|
-    # Fix issues with interface builder and cocoapods.
+    installer.pods_project.targets.each do |target|
+      target.build_configurations.each do |config|
+        if target.name == 'GradientLoadingBar' || target.name == 'LightweightObservable'
+          # Explicitly set the iOS deployment target for `GradientLoadingBar` in our pods project, as this will be read by Carthage.
+          # To make the project compile we have to do this for the dependency 'LightweightObservable' as well.
+          #
+          # - Note: This value has to match `s.ios.deployment_target` from the `.podspec` file!!
+          config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '9.0'
+        else
+          # Remove the deployment target from all other pods in our project and let them inherit
+          # the project/workspace deployment target that has been specified at the top of the Podfile.
+          # Source: https://stackoverflow.com/a/63489366
+          config.build_settings.delete 'IPHONEOS_DEPLOYMENT_TARGET'
+        end
+      end
+    end
+
+    #
+    # Fix issues with interface builder and CocoaPods.
+    #
     # Source: https://github.com/CocoaPods/CocoaPods/issues/7606#issuecomment-484294739
+    #
     installer.pods_project.build_configurations.each do |config|
       next unless config.name == 'Debug'
 
@@ -35,15 +54,5 @@ target 'GradientLoadingBar_Example' do
         '$(FRAMEWORK_SEARCH_PATHS)'
       ]
     end
-
-    # We support all iOS versions starting from 9.0. Therefore we manually decrease the deployment target for `GradientLoadingBar` here,
-    # so other (development / testing related pods) can use a higher deployment target, which is defined using `platform :ios` above.
-    installer.pods_project.targets.each do |target|
-      next unless target.name == 'GradientLoadingBar'
-
-      target.build_configurations.each do |config|
-        config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '9.0'
-      end
-    end
   end
 end

Example/Podfile.lock

@@ -1,15 +1,15 @@
 PODS:
-  - GradientLoadingBar (2.2.3):
+  - GradientLoadingBar (2.3.5):
     - LightweightObservable (~> 2.1)
-  - LightweightObservable (2.1.2)
+  - LightweightObservable (2.2.2)
   - SnapshotTesting (1.9.0)
   - SwiftConfigurationFiles (0.0.1)
-  - SwiftFormat/CLI (0.49.1)
-  - SwiftLint (0.45.1)
+  - SwiftFormat/CLI (0.49.18)
+  - SwiftLint (0.49.1)
 
 DEPENDENCIES:
   - GradientLoadingBar (from `../`)
-  - SnapshotTesting (~> 1.7)
+  - SnapshotTesting (~> 1.9)
   - SwiftConfigurationFiles (from `https://github.com/fxm90/SwiftConfigurationFiles.git`)
   - SwiftFormat/CLI (~> 0.41)
   - SwiftLint (~> 0.42)
@@ -29,17 +29,17 @@ EXTERNAL SOURCES:
 
 CHECKOUT OPTIONS:
   SwiftConfigurationFiles:
-    :commit: 5e499075b42f5c986a6ad5a274cf8efa743337b5
+    :commit: efe01ba39069e8957fb89217b8c7fed298254691
     :git: https://github.com/fxm90/SwiftConfigurationFiles.git
 
 SPEC CHECKSUMS:
-  GradientLoadingBar: 157bd321c74e6bd0b0d87de735336060011393ab
-  LightweightObservable: c5ac85423a5edbed9a920b4d5c7b8f94ab3688c4
+  GradientLoadingBar: 97d0b455027194409b50c3fd589728ea7d79f08d
+  LightweightObservable: 6a106f0d60d497ee1ebd90ff549b54ac7abf3c36
   SnapshotTesting: 6141c48b6aa76ead61431ca665c14ab9a066c53b
   SwiftConfigurationFiles: 1cf2228a911ebed9f42f8dec077bb634f04ca6c8
-  SwiftFormat: 16b41f3229f5e7edb130ac4cd631cceed7af7d5e
-  SwiftLint: 06ac37e4d38c7068e0935bb30cda95f093bec761
+  SwiftFormat: 2402d29b26746f169cce5454d5af88314cbb2e35
+  SwiftLint: 32ee33ded0636d0905ef6911b2b67bbaeeedafa5
 
-PODFILE CHECKSUM: 36b90780cb508f9eaca4f0ac59660e3e748de601
+PODFILE CHECKSUM: b928db44cd4f82e38d7edb0c066f5b366277d6ef
 
-COCOAPODS: 1.11.2
+COCOAPODS: 1.11.3

Example/Pods/LightweightObservable/LightweightObservable/Sources/Disposable.swift

@@ -11,35 +11,37 @@ import Foundation
 /// Helper to allow storing multiple disposables and matching name from [RxSwift](https://github.com/ReactiveX/RxSwift).
 public typealias DisposeBag = [Disposable]
 
-/// Executes a given closure on it's deallocation.
+/// Invokes a closure when this instance is deallocated.
 public final class Disposable {
+
     // MARK: - Types
 
-    /// Type for closure to be executed on deallocation.
+    /// Type for the closure to be called on deallocation.
     public typealias Dispose = () -> Void
 
     // MARK: - Private properties
 
-    /// Closure to be executed on deallocation.
+    /// The closure to be called on deallocation.
     private let dispose: Dispose
 
-    // MARK: - Initializer
+    // MARK: - Instance Lifecycle
 
     /// Creates a new instance.
     ///
-    /// - Parameter dispose: The closure that is executed on deallocation.
+    /// - Parameter dispose: The closure that is called on deallocation.
     public init(_ dispose: @escaping Dispose) {
         self.dispose = dispose
     }
 
-    /// Executes our closure.
     deinit {
         dispose()
     }
 
     // MARK: - Public methods
 
-    /// Adds the current instance to the given array of disposables.
+    /// Adds the current instance to the given array of `Disposable`.
+    ///
+    /// - Parameter bag: Reference to the array of `Disposable`.
     public func disposed(by bag: inout DisposeBag) {
         bag.append(self)
     }

Example/Pods/LightweightObservable/LightweightObservable/Sources/Extensions/Observable+Combine.swift

@@ -0,0 +1,77 @@
+//
+//  Observable+Combine.swift
+//  LightweightObservable
+//
+//  Created by Felix Mau on 04.02.22.
+//  Copyright © 2022 Felix Mau. All rights reserved.
+//
+
+import Combine
+
+// Based on:
+// https://thoughtbot.com/blog/lets-build-a-custom-publisher-in-combine
+
+@available(iOS 13.0, *)
+extension Observable: Publisher {
+
+    // MARK: - Types
+
+    public typealias Output = T
+    public typealias Failure = Never
+
+    // MARK: - Public methods
+
+    public func receive<S: Subscriber>(subscriber: S) where S.Input == Output, S.Failure == Failure {
+        let subscription = Subscription<S>()
+        subscription.subscriber = subscriber
+
+        subscriber.receive(subscription: subscription)
+
+        // We explicitly subscribe to our `Observable` instance after passing the `Combine.Subscription` to the `Combine.Subscriber`.
+        // This makes sure when the underlying type of the `Observable` is a `Variable´, we correctly forward the initial value.
+        subscription.subscribe(to: self)
+    }
+}
+
+@available(iOS 13.0, *)
+private extension Observable {
+    /// A custom subscription to forward events from an `Observable` instance.
+    final class Subscription<S: Subscriber> where S.Input == Output, S.Failure == Failure {
+
+        // MARK: - Public properties
+
+        var subscriber: S?
+
+        // MARK: - Private properties
+
+        private var disposable: Disposable?
+
+        // MARK: - Public methods
+
+        /// Updates our `subscriber` (`Combine.Subscriber`) with the values from the observable.
+        ///
+        /// - Note: We explicitly avoid storing a reference to the observable from this instance (`Combine.Subscription`),
+        ///         as this would create a retain cycle!!
+        func subscribe(to observable: Observable<S.Input>) {
+            disposable = observable.subscribe { [weak self] value, _ in
+                _ = self?.subscriber?.receive(value)
+            }
+        }
+    }
+}
+
+// MARK: - `Subscription` conformance
+
+@available(iOS 13.0, *)
+extension Observable.Subscription: Subscription {
+    func request(_: Subscribers.Demand) {
+        // This subscription doesn't respond to demand, since it'll only emit events
+        // according to its underlying `Observable` instance.
+    }
+
+    func cancel() {
+        // When the subscription was cancelled, we'll release the reference to our observable-subscription
+        // in order to prevent any additional events from being sent.
+        disposable = nil
+    }
+}

Example/Pods/LightweightObservable/LightweightObservable/Sources/Extensions/Observable+Equatable.swift

@@ -10,6 +10,7 @@ import Foundation
 
 /// Additional helper methods for an observable that that underlying type conforms to `Equatable`.
 public extension Observable where T: Equatable {
+
     // MARK: - Types
 
     /// The type for the filter closure.
@@ -30,7 +31,7 @@ public extension Observable where T: Equatable {
     ///   - observer: The closure that is notified on changes if the filter succeeds.
     ///
     ///  - Note:
-    ///   The `oldValue` of the observer always contains the previous value that passed the filter! E.g. if you filter for even numbers:
+    ///   The `oldValue` of the observer always contains the previous value that passed the filter! E.g. if you filter for **even numbers**:
     ///   ```
     ///   | Emitted values:            | 0        | 1        | 2        | 3        | 4        | 5        |
     ///   | -------------------------- | -------- | -------- | -------- | -------- | -------- | -------- |

Example/Pods/LightweightObservable/LightweightObservable/Sources/Extensions/Observable+KeyPath.swift

@@ -10,6 +10,7 @@ import Foundation
 
 /// Additional helper methods for binding an observable to a property using Swifts `KeyPath` feature.
 public extension Observable {
+
     /// Updates the property at the given key-path on changes to our property `value`.
     ///
     /// - Parameters:
@@ -27,8 +28,8 @@ public extension Observable {
     ///   - keyPath: The key-path that indicates the property to assign.
     ///   - object: The object containing the property to update.
     ///
-    /// - Note: We need to explicitly define this method for an optional type of `Value`, as otherwise we e.g. could not bind a `String` to the
-    ///         optional string property `text` of an `UILabel`
+    /// - Note: We explicitly have to define this method for an optional type of `Value`, as otherwise we e.g. could not bind a
+    ///         `String` to the property `text` of an `UILabel`, as this is of type `String?`.
     func bind<Root>(to keyPath: ReferenceWritableKeyPath<Root, Value?>, on object: Root) -> Disposable {
         subscribe { newValue, _ in
             object[keyPath: keyPath] = newValue

Example/Pods/LightweightObservable/LightweightObservable/Sources/Observable.swift

@@ -15,6 +15,7 @@ import Foundation
 /// - Remark: I'd prefer having a protocol definition here, but casting an instance with a generic (e.g. `Variable<Int>(0)`) to a protocol
 ///           with an associated type (`Observable<Int>`) doesn't work yet. Therefore we use an "abstract" class as a workaround.
 public class Observable<T> {
+
     // MARK: - Types
 
     /// The type for the new value of the observable.
@@ -38,8 +39,6 @@ public class Observable<T> {
     /// The current (readonly) value of the observable (if available).
     ///
     /// - Note: We're using a computed property here, cause we need to override this property without nullability in the subclass `Variable`.
-    ///
-    /// - Attention: It's always better to subscribe to a given observable! This **shortcut** should only be used during **testing**.
     public var value: Value? {
         fatalError("⚠️ – Trying to access an abstract property! Subclasses need to overwrite and implement this computed property.")
     }
@@ -52,7 +51,7 @@ public class Observable<T> {
     /// Map with all **active** observers.
     private var observers = [Index: Observer]()
 
-    // MARK: - Initalizer
+    // MARK: - Instance Lifecycle
 
     /// Initializes a new observable.
     ///
@@ -61,6 +60,14 @@ public class Observable<T> {
 
     // MARK: - Public methods
 
+    /// Updates the current value.
+    ///
+    /// - Parameter value: The new value to apply.
+    public func update(_: Value) {
+        // swiftlint:disable:previous unavailable_function
+        fatalError("⚠️ – Trying to call an abstract function! Subclasses need to overwrite and implement this method.")
+    }
+
     /// Informs the given observer on changes to our underlying property `value`.
     ///
     /// - Parameter observer: The closure that is notified on changes.
@@ -86,6 +93,7 @@ public class Observable<T> {
 
 /// Starts empty and only emits new elements to subscribers.
 public final class PublishSubject<T>: Observable<T> {
+
     // MARK: - Public properties
 
     /// The current (readonly) value of the observable (if available).
@@ -100,7 +108,7 @@ public final class PublishSubject<T>: Observable<T> {
     /// - Note: Workaround for compiler error `Cannot override with a stored property 'value'`.
     private var _value: Value?
 
-    // MARK: - Initializer
+    // MARK: - Instance Lifecycle
 
     /// Initializes a new publish subject.
     ///
@@ -111,8 +119,7 @@ public final class PublishSubject<T>: Observable<T> {
 
     // MARK: - Public methods
 
-    /// Updates the publish subject using the given value.
-    public func update(_ value: Value) {
+    override public func update(_ value: Value) {
         let oldValue = _value
         _value = value
 
@@ -124,6 +131,7 @@ public final class PublishSubject<T>: Observable<T> {
 
 /// Starts with an initial value and replays it or the latest element to new subscribers.
 public final class Variable<T>: Observable<T> {
+
     // MARK: - Public properties
 
     /// The current (read- and writeable) value of the variable.
@@ -143,7 +151,7 @@ public final class Variable<T>: Observable<T> {
         }
     }
 
-    // MARK: - Initializer
+    // MARK: - Instance Lifecycle
 
     /// Initializes a new variable with the given value.
     ///
@@ -156,6 +164,10 @@ public final class Variable<T>: Observable<T> {
 
     // MARK: - Public methods
 
+    override public func update(_ value: Value) {
+        self.value = value
+    }
+
     override public func subscribe(_ observer: @escaping Observer) -> Disposable {
         let disposable = super.subscribe(observer)
 

Example/Pods/LightweightObservable/README.md

@@ -2,7 +2,7 @@
 
 <p align="center">
 	<img src="https://img.shields.io/badge/Swift-5.0-green.svg?style=flat" alt="Swift Version" />
-	<img src="http://img.shields.io/travis/com/fxm90/LightweightObservable.svg?style=flat" alt="CI Status" />
+	<img src="https://img.shields.io/github/workflow/status/fxm90/LightweightObservable/Continuous%20Integration" alt="CI Status" />
 	<img src="https://img.shields.io/codecov/c/github/fxm90/LightweightObservable.svg?style=flat" alt="Code Coverage" />
 	<img src="https://img.shields.io/cocoapods/v/LightweightObservable.svg?style=flat" alt="Version" />
 	<img src="https://img.shields.io/cocoapods/l/LightweightObservable.svg?style=flat" alt="License" />
@@ -24,10 +24,52 @@ If you want to update from version 1.x.x, please have a look at the [Lightweight
 To run the example project, clone the repo, and open the workspace from the Example directory.
 
 ### Requirements
-- Swift 5.0
-- Xcode 10.2+
+- Swift 5.5
+- Xcode 13.2+
 - iOS 9.0+
 
+### Projects targeting iOS >= 13.0
+In case your minimum required version is greater equal iOS 13.0, I recommend using [Combine](https://developer.apple.com/documentation/combine) instead of adding `Lightweight Observable` as a dependency. 
+
+If you rely on having a current and previous value in your subscription closure, please have a look at this extension: [Combine+Pairwise.swift](https://gist.github.com/fxm90/be62335d987016c84d2f8b3731197c98).
+
+#### Update: Since version `2.2` an `Observable` instance conforms to the [`Publisher`](https://developer.apple.com/documentation/combine/publisher) protocol from Swift's `Combine` 🎉 
+
+This makes transitioning from `LightweightObservable` to `Combine` a lot easier, as you can use features from `Combine` without having to change the underlying `Observable` to a `Publisher`. 
+
+Example Code for using `Combine` functions on an instance of `PublishSubject`:
+
+```swift
+var subscriptions = Set<AnyCancellable>()
+            
+let publishSubject = PublishSubject<Int>()
+publishSubject
+    .map { $0 * 2 }
+    .sink { print($0) }
+    .store(in: &subscriptions)
+
+publishSubject.update(1) // Prints "2"
+publishSubject.update(2) // Prints "4"
+publishSubject.update(3) // Prints "6"
+```
+
+**Cheatsheet**
+
+| `LightweightObservable` | `Combine`             |
+| ----------------------- | --------------------- |
+| `PublishSubject`        | `PassthroughSubject`  |
+| `Variable`              | `CurrentValueSubject` |
+
+
+Furthermore, using the property [`values`](https://developer.apple.com/documentation/combine/publisher/values-1dm9r) of a `Combine.Publisher`, you can use an `Observable` in an asynchronous sequence:
+
+```swift
+for await value in observable.values {
+    // ...
+}
+```
+
+
 ### Integration
 ##### CocoaPods
 [CocoaPods](https://cocoapods.org) is a dependency manager for Cocoa projects. For usage and installation instructions, visit their website. To integrate Lightweight Observable into your Xcode project using CocoaPods, specify it in your `Podfile`:
@@ -84,6 +126,8 @@ let formattedTimeSubject = Variable("4:20 PM")
 // ...
 
 formattedTimeSubject.value = "4:21 PM"
+// or
+formattedTimeSubject.update("4:21 PM")
 ```
 
 #### – Create an `Observable`
@@ -99,7 +143,7 @@ lazy var formattedTime: Observable<String> = formattedTimeSubject
 ```
 
 #### – Subscribe to changes
-A subscriber will be informed at different times, depending on the corresponding subclass of the observable:
+A subscriber will be informed at different times, depending on the subclass of the corresponding observable:
 
  - `PublishSubject`: Starts empty and only emits new elements to subscribers.
  - `Variable`: Starts with an initial value and replays it or the latest element to new subscribers.
@@ -121,7 +165,7 @@ formattedTime.subscribe { [weak self] newFormattedTime, oldFormattedTime in
 
 Please notice that the old value (`oldFormattedTime`) is an optional of the underlying type, as we might not have this value on the initial call to the subscriber.
 
-**Important:** To avoid retain cycles and/or crashes, **always** use `[weak self]` when self is needed by an observer.
+**Important:** To avoid retain cycles and/or crashes, **always** use `[weak self]` when an instance of `self` is needed by an observer.
 
 ##### - KeyPath based subscription
 **Declaration**
@@ -205,9 +249,9 @@ typealias Filter = (NewValue, OldValue) -> Bool
 func subscribe(filter: @escaping Filter, observer: @escaping Observer) -> Disposable {}
 ```
 
-Using this method, the observer will only be notified on changes if the corresponding filter matches.
+Using this method, the observer will only be notified on changes if the corresponding filter matches (returns `true`).
 
-This pod comes with one predefined filter method, called `subscribeDistinct`. Subscribing to an observable using this method, will only notify the observer if the new value is different from the old value. This is useful to prevent unnecessary UI-Updates.
+This pod comes with one predefined filter method, called `subscribeDistinct`. Subscribing to an observable using this method will only notify the observer, if the new value is different from the old value. This is useful to prevent unnecessary UI-Updates.
 
 Feel free to add more filters, by extending the `Observable` like this:
 
@@ -215,7 +259,6 @@ Feel free to add more filters, by extending the `Observable` like this:
 extension Observable where T: Equatable {}
 ```
 
-
 #### – Getting the current value synchronously
 You can get the current value of the `Observable` by accessing the property `value`. However it is always better to subscribe to a given observable! This **shortcut** should only be used during **testing**.
 
@@ -227,43 +270,44 @@ XCTAssertEqual(viewModel.formattedTime.value, "4:20")
 Using the given approach, your view-model could look like this:
 
 ```swift
-class TimeViewModel {
+final class ViewModel {
+
     // MARK: - Public properties
 
-    /// The current time as a formatted string (**immutable**).
-    var formattedTime: Observable<String> {
-        formattedTimeSubject
+    /// The current date and time as a formatted string (**immutable**).
+    var formattedDate: Observable<String> {
+        formattedDateSubject
     }
 
     // MARK: - Private properties
 
-    /// The current time as a formatted string (**mutable**).
-    private let formattedTimeSubject: Variable<String> = Variable("\(Date())")
+    /// The current date and time as a formatted string (**mutable**).
+    private let formattedDateSubject: Variable<String> = Variable("\(Date())")
 
     private var timer: Timer?
 
-    // MARK: - Initializer
+    // MARK: - Instance Lifecycle
 
     init() {
-        // Update variable with current time every second.
-        timer = Timer.scheduledTimer(withTimeInterval: 1, repeats: true, block: { [weak self] _ in
-            self?.formattedTimeSubject.value = "\(Date())"
-        })
+        // Update variable with current date and time every second.
+        timer = Timer.scheduledTimer(withTimeInterval: 1, repeats: true) { [weak self] _ in
+            self?.formattedDateSubject.value = "\(Date())"
+        }
     }
 ```
 
 And your view controller like this:
 
 ```swift
-class TimeViewController: UIViewController {
+final class ViewController: UIViewController {
+
     // MARK: - Outlets
 
-    @IBOutlet private var timeLabel: UILabel!
+    @IBOutlet private var dateLabel: UILabel!
 
     // MARK: - Private properties
 
-    /// The view model calculating the current time.
-    private let timeViewModel = TimeViewModel()
+    private let viewModel = ViewModel()
 
     /// The dispose bag for this view controller. On it's deallocation, it removes the
     /// subscription-closures from the corresponding observable-properties.
@@ -274,9 +318,9 @@ class TimeViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
 
-        timeViewModel
-            .formattedTime
-            .bind(to: \.text, on: timeLabel)
+        viewModel
+            .formattedDate
+            .bind(to: \.text, on: dateLabel)
             .disposed(by: &disposeBag)
     }
 ```

Example/Pods/Local Podspecs/GradientLoadingBar.podspec.json

@@ -1,6 +1,6 @@
 {
   "name": "GradientLoadingBar",
-  "version": "2.2.3",
+  "version": "2.3.5",
   "summary": "A customizable animated gradient loading bar.",
   "description": "A customizable animated gradient loading bar.\nInspired by https://codepen.io/marcobiedermann/pen/LExXWW",
   "homepage": "https://github.com/fxm90/GradientLoadingBar",
@@ -14,17 +14,17 @@
   },
   "source": {
     "git": "https://github.com/fxm90/GradientLoadingBar.git",
-    "tag": "2.2.3"
+    "tag": "2.3.5"
   },
-  "swift_versions": "5.1",
+  "swift_versions": "5.5",
   "platforms": {
     "ios": "9.0"
   },
-  "source_files": "GradientLoadingBar/Classes/**/*",
+  "source_files": "GradientLoadingBar/**/*",
   "dependencies": {
     "LightweightObservable": [
       "~> 2.1"
     ]
   },
-  "swift_version": "5.1"
+  "swift_version": "5.5"
 }

Example/Pods/Manifest.lock

@@ -1,15 +1,15 @@
 PODS:
-  - GradientLoadingBar (2.2.3):
+  - GradientLoadingBar (2.3.5):
     - LightweightObservable (~> 2.1)
-  - LightweightObservable (2.1.2)
+  - LightweightObservable (2.2.2)
   - SnapshotTesting (1.9.0)
   - SwiftConfigurationFiles (0.0.1)
-  - SwiftFormat/CLI (0.49.1)
-  - SwiftLint (0.45.1)
+  - SwiftFormat/CLI (0.49.18)
+  - SwiftLint (0.49.1)
 
 DEPENDENCIES:
   - GradientLoadingBar (from `../`)
-  - SnapshotTesting (~> 1.7)
+  - SnapshotTesting (~> 1.9)
   - SwiftConfigurationFiles (from `https://github.com/fxm90/SwiftConfigurationFiles.git`)
   - SwiftFormat/CLI (~> 0.41)
   - SwiftLint (~> 0.42)
@@ -29,17 +29,17 @@ EXTERNAL SOURCES:
 
 CHECKOUT OPTIONS:
   SwiftConfigurationFiles:
-    :commit: 5e499075b42f5c986a6ad5a274cf8efa743337b5
+    :commit: efe01ba39069e8957fb89217b8c7fed298254691
     :git: https://github.com/fxm90/SwiftConfigurationFiles.git
 
 SPEC CHECKSUMS:
-  GradientLoadingBar: 157bd321c74e6bd0b0d87de735336060011393ab
-  LightweightObservable: c5ac85423a5edbed9a920b4d5c7b8f94ab3688c4
+  GradientLoadingBar: 97d0b455027194409b50c3fd589728ea7d79f08d
+  LightweightObservable: 6a106f0d60d497ee1ebd90ff549b54ac7abf3c36
   SnapshotTesting: 6141c48b6aa76ead61431ca665c14ab9a066c53b
   SwiftConfigurationFiles: 1cf2228a911ebed9f42f8dec077bb634f04ca6c8
-  SwiftFormat: 16b41f3229f5e7edb130ac4cd631cceed7af7d5e
-  SwiftLint: 06ac37e4d38c7068e0935bb30cda95f093bec761
+  SwiftFormat: 2402d29b26746f169cce5454d5af88314cbb2e35
+  SwiftLint: 32ee33ded0636d0905ef6911b2b67bbaeeedafa5
 
-PODFILE CHECKSUM: 36b90780cb508f9eaca4f0ac59660e3e748de601
+PODFILE CHECKSUM: b928db44cd4f82e38d7edb0c066f5b366277d6ef
 
-COCOAPODS: 1.11.2
+COCOAPODS: 1.11.3

Example/Pods/Pods.xcodeproj/xcshareddata/xcschemes/GradientLoadingBar.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1240"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -14,7 +14,7 @@
             buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "A29550F398D14038E3DD88D91573885C"
+               BlueprintIdentifier = "AD9297F9E6CC3E50EDCFECA0A77800B7"
                BuildableName = "GradientLoadingBar.framework"
                BlueprintName = "GradientLoadingBar"
                ReferencedContainer = "container:Pods.xcodeproj">
@@ -29,8 +29,6 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -42,17 +40,6 @@
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "A29550F398D14038E3DD88D91573885C"
-            BuildableName = "GradientLoadingBar.framework"
-            BlueprintName = "GradientLoadingBar"
-            ReferencedContainer = "container:Pods.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

Example/Pods/SwiftConfigurationFiles/.swiftformat

@@ -22,11 +22,12 @@
 # Rules
 #
 --disable andOperator
---disable sortedImports
+--disable blankLinesAtStartOfScope
 --disable wrapMultilineStatementBraces
 
 #
 # Rule Configuration
 #
 --wraparguments "after-first"
---wrapcollections "before-first"
+--wrapcollections "before-first"
+--importgrouping testable-last

Example/Pods/SwiftConfigurationFiles/README.md

@@ -1,2 +1,9 @@
 # Swift Configuration Files 🛠
-Repository containing configuration files for Swift development, e.g. for tools like [SwiftLint](https://github.com/realm/SwiftLint) or [SwiftFormat](https://github.com/nicklockwood/SwiftFormat).
+Repository containing configuration files for Swift development, e.g. for tools like [SwiftLint](https://github.com/realm/SwiftLint) or [SwiftFormat](https://github.com/nicklockwood/SwiftFormat).
+
+### Author
+Felix Mau (me(@)felix.hamburg)
+
+### License
+
+Swift Configuration Files is available under the MIT license. See the LICENSE file for more info.

Example/Pods/SwiftFormat/README.md

@@ -22,6 +22,7 @@ Table of Contents
     - [Git pre-commit hook](#git-pre-commit-hook)
     - [On CI using Danger](#on-ci-using-danger)
     - [Bazel build](#bazel-build)
+    - [Docker](#docker)
 - [Configuration](#configuration)
     - [Options](#options)
     - [Rules](#rules)
@@ -45,6 +46,7 @@ SwiftFormat is a code library and command-line tool for reformatting Swift code
 
 SwiftFormat goes above and beyond what you might expect from a code formatter. In addition to adjusting white space it can insert or remove implicit `self`, remove redundant parentheses, and correct many other deviations from the standard Swift idioms.
 
+
 Why would I want to do that?
 -----------------------------
 
@@ -73,7 +75,7 @@ Command-line tool
 
 **Installation:**
 
-You can install the `swiftformat` command-line tool on macOS using [Homebrew](http://brew.sh/). Assuming you already have Homebrew installed, just type:
+You can install the `swiftformat` command-line tool on macOS or Linux using [Homebrew](http://brew.sh/). Assuming you already have Homebrew installed, just type:
 
 ```bash
 $ brew install swiftformat
@@ -91,13 +93,7 @@ Alternatively, you can install the tool on macOS or Linux by using [Mint](https:
 $ mint install nicklockwood/SwiftFormat
 ```
 
-And then run it using:
-
-```bash
-$ mint run swiftformat
-```
-
-Or if you prefer, you can check out and build SwiftFormat manually on macOS or Linux as follows:
+Or if you prefer, you can check out and build SwiftFormat manually on macOS, Linux or Windows as follows:
 
 ```bash
 $ git clone https://github.com/nicklockwood/SwiftFormat
@@ -107,6 +103,16 @@ $ swift build -c release
 
 If you are installing SwiftFormat into your project directory, you can use [CocoaPods](https://cocoapods.org/) on macOS to automatically install the swiftformat binary along with your other pods - see the Xcode build phase instructions below for details.
 
+Another option is to include the binary artifactbundle in your `Package.swift`:
+
+```swift
+.binaryTarget(
+    name: "SwiftFormat",
+    url: "https://github.com/nicklockwood/SwiftFormat/releases/download/0.49.12/swiftformat-macos.artifactbundle.zip",
+    checksum: "CHECKSUM"
+),
+``` 
+
 If you would prefer not to use a package manager, you can build the command-line app manually:
 
 1. open `SwiftFormat.xcodeproj` and build the `SwiftFormat (Application)` scheme.
@@ -211,7 +217,7 @@ Alternatively, if you prefer not to use Homebrew, you'll find the latest version
 
 **Usage:**
 
-Once you have launched the app and restarted Xcode, you'll find a SwiftFormat option under Xcode's Editor menu.
+Once you have launched the app and restarted Xcode, you'll find a SwiftFormat option under Xcode's Editor menu. If the SwiftFormat menu does not appear [this thread](https://github.com/nicklockwood/SwiftFormat/issues/494) may help. 
 
 You can configure the formatting [rules](#rules) and [options](#options) using the SwiftFormat for Xcode host application. There is currently no way to override these per-project, however, you can import and export different configurations using the File menu. You will need to do this again each time you switch projects.
 
@@ -231,7 +237,7 @@ Alternatively, you might want to consider running SwiftFormat in [lint](#linting
 
 To set up SwiftFormat as an Xcode build phase, do the following:
 
-#### 1) Create a BuildTools folder & Package.swift
+#### 1) Create a BuildTools folder and Package.swift
 
 1. Create a folder called `BuildTools` in the same folder as your xcodeproj file
 2. In this folder, create a file called `Package.swift`, with the following contents:
@@ -250,7 +256,7 @@ let package = Package(
 ```
 3. If you are running Xcode 11.4 or later, in the `BuildTools` folder create a file called `Empty.swift` with nothing in it. This is to satisfy a change in Swift Package Manager.
 
-#### 2) Add a Build phases to your app target
+#### 2) Add a Build phase to your app target
 
 1. Click on your project in the file list, choose your target under `TARGETS`, click the `Build Phases` tab
 2. Add a `New Run Script Phase` by clicking the little plus icon in the top left
@@ -267,7 +273,7 @@ You can also use `swift run -c release --package-path BuildTools swiftformat "$S
 
 **NOTE:** You may wish to check BuildTools/Package.swift into your source control so that the version used by your run-script phase is kept in version control. It is recommended to add the following to your .gitignore file: `BuildTools/.build` and `BuildTools/.swiftpm`.
 
-### Using Cocoapods
+### Using CocoaPods
 
 #### 1) Add the SwiftFormat CLI to your Podfile
 
@@ -384,6 +390,39 @@ Bazel Build
 If you use [Bazel](https://bazel.build/) to build your Swift projects and want to ensure that only properly formatted code is merged to your main branch, try [rules_swiftformat](https://github.com/cgrindel/rules_swiftformat). The repository contains Bazel rules and macros that format Swift source files using SwiftFormat, test that the formatted files exist in the workspace directory, and copy the formatted files to the workspace directory.
 
 
+Docker
+-----------
+
+SwiftFormat publishes releases into [GitHub Packages](https://github.com/features/packages) Docker registry. To pull the image call:
+
+```bash
+$ docker pull ghcr.io/nicklockwood/swiftformat:latest
+```
+
+By default, the container runs `swiftformat .` Therefore, you need to provide a path either via an argument:
+
+```bash
+docker run --rm -v /local/source/path:/work ghcr.io/nicklockwood/swiftformat:latest /work
+```
+
+or by changing the working dir:
+
+```bash
+docker run --rm -v /local/source/path:/work -w /work ghcr.io/nicklockwood/swiftformat:latest
+```
+
+To check the installed SwiftFormat version:
+
+```bash
+docker run --rm ghcr.io/nicklockwood/swiftformat:latest --version
+```
+
+Linting example:
+
+```bash
+docker run --rm -v /local/source/path:/work ghcr.io/nicklockwood/swiftformat:latest /work --lint
+```
+
 Configuration
 -------------
 
@@ -446,7 +485,13 @@ Alternatively, you can use the line continuation character `\` to wrap a single
     redundantSelf
 ```
 
-To avoid automatically opting-in to new rules when SwiftFormat is updated, use the`--rules` argument to *only* enable the rules you specify:
+To avoid automatically opting-in to new rules when SwiftFormat is updated, you can disable all rules using:
+
+```bash
+--disable all
+```
+
+And then individually enable just the rules you want. Alternatively, use the`--rules` argument to *only* enable the rules you specify:
 
 ```bash
 --rules indent,linebreaks
@@ -623,6 +668,13 @@ By default, `--lint` will only report lines that require formatting, but you can
 
 If you would prefer not to see a warning for each and every formatting change, you can use the `--quiet` flag to suppress all output except errors.
 
+Sometimes you may wish to autoformat some rules, but only lint others. To do that, use the `--lintonly` option in your config file to specify rules that should only be applied in `--lint` mode:
+
+```
+--rules braces,indent
+--lintonly trailingClosures,unusedArguments
+```
+
 
 Error codes
 -----------
@@ -709,7 +761,7 @@ FAQ
 
 *Q. What platforms does SwiftFormat support?*
 
-> A. SwiftFormat works on macOS 10.13 (High Sierra) and above, and also runs on Ubuntu Linux.
+> A. SwiftFormat works on macOS 10.13 (High Sierra) and above, and also runs on Ubuntu Linux and Windows.
 
 
 *Q. What versions of Swift are supported?*
@@ -766,6 +818,12 @@ Q. I don't want to be surprised by new rules added when I upgrade SwiftFormat. H
 Known issues
 ---------------
 
+* When using the Xcode Source Editor Extension, the SwiftFormat menu sometimes disappears from Xcode. If this happens, try moving or renaming Xcode temporarily and then changing it back. Failing that, the suggestions in [this thread](https://github.com/nicklockwood/SwiftFormat/issues/494) may help.
+
+* The `enumNamespaces` rule replaces classes that have only static members with an `enum`. If the class is subclassed, or if there is code that depends on the class exposing certain runtime behaviors, this may break the program. To solve this you can either fix it on a per-case basis by adding a `// swiftformat:disable:next enumNamespaces` comment directive above the class declaration, or just disable the `enumNamespaces` rule completely.
+
+* The `redundantVoidReturnType` rule can inadvertently alter the type signature for closures, for example in cases where the closure calls a `@discardableResult` function. To solve this you can either fix it on a per-case basis by adding a `// swiftformat:disable:next redundantVoidReturnType` comment directive to disable the rule for a specific call site, or you can add `--closurevoid preserve` to your [configuration](#configuration) to disable the rule completely for closures (regular functions or methods aren't affected).
+
 * The `redundantType` rule can introduce ambiguous code in certain cases when using the default mode of `--redundanttype inferred`. This can be worked around by by using `--redundanttype explicit`, or by manually removing the redundant type reference on the affected line, or by using the `// swiftformat:disable:next redundantType` comment directive to disable the rule at the call site (or just disable the `redundantType` rule completely).
 
 * If a type initializer or factory method returns an implicitly unwrapped optional value then the `redundantType` rule may remove the explicit type in a situation where it's actually required. To work around this you can either use `--redundanttype explicit`, or use the `// swiftformat:disable:next redundantType` comment directive to disable the rule at the call site (or just disable the `redundantType` rule completely).
@@ -778,7 +836,7 @@ Known issues
 
 * When using the `--self remove` option, the `redundantSelf` rule will remove references to `self` in autoclosure arguments, which may change the meaning of the code, or cause it not to compile. To work around this issue, use the `--selfrequired` option to provide a comma-delimited list of methods to be excluded from the rule. The `expect()` function from the popular [Nimble](https://github.com/Quick/Nimble) unit testing framework is already excluded by default. If you are using the `--self insert` option then this is not an issue.
 
-* If you assign `SomeClass.self` to a variable and then instantiate an instance of the class using that variable, Swift requires that you use an explicit `.init()`, however, the `redundantInit` rule is not currently capable of detecting this situation and will remove the `.init`. To work around this issue, use the `// swiftformat:disable:next redundantInit` comment directive to disable the rule for any affected lines of code (or just disable the `redundantInit` rule completely).
+* If you assign `SomeClass.self` to a variable and then instantiate an instance of the class using that variable, Swift requires that you use an explicit `.init()`, however, the `redundantInit` rule is not currently capable of detecting this situation in all cases, and may remove the `.init`. To work around this issue, use the `// swiftformat:disable:next redundantInit` comment directive to disable the rule for any affected lines of code (or just disable the `redundantInit` rule completely).
 
 * The `--self insert` option can only recognize locally declared member variables, not ones inherited from superclasses or extensions in other files, so it cannot insert missing `self` references for those. Note that the reverse is not true: `--self remove` should remove *all* redundant `self` references.
 
@@ -822,6 +880,7 @@ Credits
 * [Jim Puls](https://github.com/puls) - Big Sur icon update
 * [Daniele Formichelli](https://github.com/danyf90) - JSON reporter
 * [Mahdi Bchatnia](https://github.com/inket) - Linux build workflow
+* [Arthur Semenyutin](https://github.com/vox-humana) - Docker image
 * [Nick Lockwood](https://github.com/nicklockwood) - Everything else
 
 ([Full list of contributors](https://github.com/nicklockwood/SwiftFormat/graphs/contributors))

Example/Pods/Target Support Files/GradientLoadingBar/GradientLoadingBar-Info.plist

@@ -15,7 +15,7 @@
   <key>CFBundlePackageType</key>
   <string>FMWK</string>
   <key>CFBundleShortVersionString</key>
-  <string>2.2.3</string>
+  <string>2.3.5</string>
   <key>CFBundleSignature</key>
   <string>????</string>
   <key>CFBundleVersion</key>

Example/Pods/Target Support Files/GradientLoadingBar/GradientLoadingBar.xcconfig

@@ -1,11 +0,0 @@
-CONFIGURATION_BUILD_DIR = ${PODS_CONFIGURATION_BUILD_DIR}/GradientLoadingBar
-FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/LightweightObservable"
-GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1
-OTHER_SWIFT_FLAGS = $(inherited) -D COCOAPODS
-PODS_BUILD_DIR = ${BUILD_DIR}
-PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)
-PODS_ROOT = ${SRCROOT}
-PODS_TARGET_SRCROOT = ${PODS_ROOT}/../..
-PRODUCT_BUNDLE_IDENTIFIER = org.cocoapods.${PRODUCT_NAME:rfc1034identifier}
-SKIP_INSTALL = YES
-USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES

Example/Pods/Target Support Files/GradientLoadingBar/Info.plist

@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-  <key>CFBundleDevelopmentRegion</key>
-  <string>en</string>
-  <key>CFBundleExecutable</key>
-  <string>${EXECUTABLE_NAME}</string>
-  <key>CFBundleIdentifier</key>
-  <string>${PRODUCT_BUNDLE_IDENTIFIER}</string>
-  <key>CFBundleInfoDictionaryVersion</key>
-  <string>6.0</string>
-  <key>CFBundleName</key>
-  <string>${PRODUCT_NAME}</string>
-  <key>CFBundlePackageType</key>
-  <string>FMWK</string>
-  <key>CFBundleShortVersionString</key>
-  <string>1.1.15</string>
-  <key>CFBundleSignature</key>
-  <string>????</string>
-  <key>CFBundleVersion</key>
-  <string>${CURRENT_PROJECT_VERSION}</string>
-  <key>NSPrincipalClass</key>
-  <string></string>
-</dict>
-</plist>

Example/Pods/Target Support Files/LightweightObservable/LightweightObservable-Info.plist

@@ -15,7 +15,7 @@
   <key>CFBundlePackageType</key>
   <string>FMWK</string>
   <key>CFBundleShortVersionString</key>
-  <string>2.1.2</string>
+  <string>2.2.2</string>
   <key>CFBundleSignature</key>
   <string>????</string>
   <key>CFBundleVersion</key>

Example/Pods/Target Support Files/LightweightObservable/LightweightObservable.xcconfig

@@ -1,10 +0,0 @@
-CONFIGURATION_BUILD_DIR = ${PODS_CONFIGURATION_BUILD_DIR}/LightweightObservable
-GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1
-OTHER_SWIFT_FLAGS = $(inherited) -D COCOAPODS
-PODS_BUILD_DIR = ${BUILD_DIR}
-PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)
-PODS_ROOT = ${SRCROOT}
-PODS_TARGET_SRCROOT = ${PODS_ROOT}/LightweightObservable
-PRODUCT_BUNDLE_IDENTIFIER = org.cocoapods.${PRODUCT_NAME:rfc1034identifier}
-SKIP_INSTALL = YES
-USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES

Example/Pods/Target Support Files/Pods-Example/Pods-Example-dummy.m

@@ -0,0 +1,5 @@
+#import <Foundation/Foundation.h>
+@interface PodsDummy_Pods_Example : NSObject
+@end
+@implementation PodsDummy_Pods_Example
+@end

Example/Pods/Target Support Files/Pods-Example/Pods-Example-frameworks-Debug-input-files.xcfilelist

@@ -0,0 +1,3 @@
+${PODS_ROOT}/Target Support Files/Pods-Example/Pods-Example-frameworks.sh
+${BUILT_PRODUCTS_DIR}/GradientLoadingBar/GradientLoadingBar.framework
+${BUILT_PRODUCTS_DIR}/LightweightObservable/LightweightObservable.framework

Example/Pods/Target Support Files/Pods-Example/Pods-Example-frameworks-Debug-output-files.xcfilelist

@@ -0,0 +1,2 @@
+${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/GradientLoadingBar.framework
+${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/LightweightObservable.framework

Example/Pods/Target Support Files/Pods-Example/Pods-Example-frameworks-Release-input-files.xcfilelist

@@ -0,0 +1,3 @@
+${PODS_ROOT}/Target Support Files/Pods-Example/Pods-Example-frameworks.sh
+${BUILT_PRODUCTS_DIR}/GradientLoadingBar/GradientLoadingBar.framework
+${BUILT_PRODUCTS_DIR}/LightweightObservable/LightweightObservable.framework

Example/Pods/Target Support Files/Pods-Example/Pods-Example-frameworks-Release-output-files.xcfilelist

@@ -0,0 +1,2 @@
+${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/GradientLoadingBar.framework
+${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/LightweightObservable.framework

Example/Pods/Target Support Files/Pods-Example/Pods-Example-umbrella.h

@@ -11,6 +11,6 @@
 #endif
 
 
-FOUNDATION_EXPORT double Pods_GradientLoadingBar_TestsVersionNumber;
-FOUNDATION_EXPORT const unsigned char Pods_GradientLoadingBar_TestsVersionString[];
+FOUNDATION_EXPORT double Pods_ExampleVersionNumber;
+FOUNDATION_EXPORT const unsigned char Pods_ExampleVersionString[];
 

Example/Pods/Target Support Files/Pods-Example/Pods-Example.modulemap

@@ -0,0 +1,6 @@
+framework module Pods_Example {
+  umbrella header "Pods-Example-umbrella.h"
+
+  export *
+  module * { export * }
+}