bump version and update CHANGELOG file

Add corner radius for skeletonView as IBInspectable (CGFloat) default is 0.0

.github/stale.yml

@@ -1,15 +1,10 @@
-# Number of days of inactivity before an issue becomes stale
-daysUntilStale: 60
-# Number of days of inactivity before a stale issue is closed
+daysUntilStale: 20
 daysUntilClose: 7
-# Issues with these labels will never be considered stale
-exemptLabels:
-  - work in progress
+onlyLabels:
+  - awaiting user input
 staleLabel: given up
-# Comment to post when marking an issue as stale. Set to `false` to disable
 markComment: >
   This issue has been automatically marked as stale because it has not had
   recent activity. It will be closed if no further activity occurs. Thank you
   for your contributions.
-# Comment to post when closing a stale issue. Set to `false` to disable
 closeComment: false

.github/workflows/build.yml

@@ -0,0 +1,20 @@
+name: build
+
+on:
+  push:
+    branches:
+    - develop
+  pull_request:
+    branches:
+    - develop
+
+jobs:
+  build:
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: xcodebuild
+      run: |
+        xcodebuild -project SkeletonView.xcodeproj -target SkeletonView-iOS -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 7,OS=12'
+        xcodebuild -project SkeletonView.xcodeproj -target SkeletonView-tvOS -sdk appletvsimulator -destination 'platform=tvOS Simulator,name=Apple TV,OS=12'
+        xcodebuild -project SkeletonView.xcodeproj -target SkeletonViewExample -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 7,OS=12'

.github/workflows/checks.yml

@@ -0,0 +1,13 @@
+name: CI
+
+on: [pull_request]
+
+jobs:
+  danger:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Execute danger
+        uses: danger/swift@2.0.3
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.travis.yml

@@ -1,7 +0,0 @@
-language: objective-c
-osx_image: xcode10.2
-script:
-  - xcodebuild -project SkeletonView.xcodeproj -target SkeletonView-iOS -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 7,OS=12'
-  - xcodebuild -project SkeletonView.xcodeproj -target SkeletonView-tvOS -sdk appletvsimulator -destination 'platform=tvOS Simulator,name=Apple TV,OS=12'
-  - xcodebuild -project SkeletonView.xcodeproj -target SkeletonViewExample -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 7,OS=12'
-after_success:

CHANGELOG.md

@@ -1,168 +1,198 @@
 # Change Log
 All notable changes to this project will be documented in this file
 
-## Next version
+### Next version
 
-### New
+#### 🙌 New
+
+#### 🔬Improvements
+
+#### 🩹 Bug fixes
+
+### 📦 [1.8.7](https://github.com/Juanpe/SkeletonView/releases/tag/1.8.7)
+
+#### 🔬Improvements
+* [**271**](https://github.com/Juanpe/SkeletonView/pull/271): Add corner radius for skeletonView as IBInspectable (CGFloat) default is 0.0 - [@paulanatoleclaudot-betclic](https://github.com/paulanatoleclaudot-betclic)
+
+#### 🩹 Bug fixes
+* [**259**](https://github.com/Juanpe/SkeletonView/issues/259): Prevent isSkeletonActive to be called when isSkeletonable is false - [@wsalim1610](https://github.com/wsalim1610)
+* [**274**](https://github.com/Juanpe/SkeletonView/pull/274): Fix: hiding skeleton when header and footer views of section would not hide it - [@darkside999](https://github.com/darkside999)
+* [**273**](https://github.com/Juanpe/SkeletonView/pull/273): Fix: in vertical stack view with center alignment show incorrect position - [@koooootake](https://github.com/koooootake)
+
+### 📦 [1.8.6](https://github.com/Juanpe/SkeletonView/releases/tag/1.8.6)
+
+#### 🔬Improvements
+* [**242**](https://github.com/Juanpe/SkeletonView/pull/242): Offscreen table view layout issue fixed - [@Cacodemon](https://github.com/Cacodemon)
+* [**261**](https://github.com/Juanpe/SkeletonView/pull/261): Fixes removing skeleton layers from table header footer sections - [@darkside999](https://github.com/darkside999)
+* [**263**](https://github.com/Juanpe/SkeletonView/pull/263): Feature/set cross dissolve transitions as default - [@Juanpe](https://github.com/Juanpe)
+* [**264**](https://github.com/Juanpe/SkeletonView/pull/264): not replace original datasource is running XCTests - [@Juanpe](https://github.com/Juanpe)
+* [**265**](https://github.com/Juanpe/SkeletonView/pull/265): call original traitCollectionDidChange method - [@Juanpe](https://github.com/Juanpe)
+
+#### 🩹 Bug fixes
+* [**260**](https://github.com/Juanpe/SkeletonView/issues/260): Don't hide skeleton layers on TableViewHeaderFooterView
+* [**257**](https://github.com/Juanpe/SkeletonView/issues/257): Unit test problem when using SkeletonView
+
+
+### 📦 [1.8.3](https://github.com/Juanpe/SkeletonView/releases/tag/1.8.3)
 
 - Support for iOS 13 dark mode. (thanks @Wilsonator5000)
 
-## [1.8.2](https://github.com/Juanpe/SkeletonView/releases/tag/1.8.2)
+### 📦 [1.8.2](https://github.com/Juanpe/SkeletonView/releases/tag/1.8.2)
 
-### New
-- Add ability to customize line spacing per label. (thanks @gshahbazian) 
+#### 🙌 New
+- Add ability to customize line spacing per label. (thanks @gshahbazian)
 
-## [LayoutSkeleton (1.8.1)](https://github.com/Juanpe/SkeletonView/releases/tag/1.8.1)
+### 📦 [LayoutSkeleton (1.8.1)](https://github.com/Juanpe/SkeletonView/releases/tag/1.8.1)
 
-### Improvements
+#### 🔬Improvements
 - Fix completion call in .none transition style while hide skeletons. (thanks @aadudyrev)
 
-### New
-- Swizzle `layoutSubviews` method. 
+#### 🙌 New
+- Swizzle `layoutSubviews` method.
 
-### Improvements
+#### 🔬Improvements
 - Fix completion call in .none transition style while hiding skeletons. (thanks @aadudyrev)
 - Swift format.
 
-### Bug fixes
+#### 🩹 Bug fixes
 - Update layout subviews when the original method is called.
    - Issues: [#88, #149]
 
-## [Transitions (1.8)](https://github.com/Juanpe/SkeletonView/releases/tag/1.8)
+### 📦 [Transitions (1.8)](https://github.com/Juanpe/SkeletonView/releases/tag/1.8)
 
-### New
+#### 🙌 New
 
 - Adding swift news to mentioned section (thanks @osterbergmarcus).
 - Create `SkeletonTransitionStyle`. Now, you can animate transition when you show or hide skeletons. (thanks @pontusjacobsson)
 
-### Improvements
+#### 🔬Improvements
 - Refactor some methods.
 
-### Bug fixes
+#### 🩹 Bug fixes
 - Solved issues.
  [#175](https://github.com/Juanpe/SkeletonView/issues/175) Swift Package Manager version format
 
-## [Layout update (1.7)](https://github.com/Juanpe/SkeletonView/releases/tag/1.7)
+### 📦 [Layout update (1.7)](https://github.com/Juanpe/SkeletonView/releases/tag/1.7)
 
-### New
+#### 🙌 New
 
 - Allow updating skeleton layout to recalculate skeleton bounds: `layoutSkeletonIfNeeded`. See the examples to know how to use it. (thanks @eduardbosch)
 
-### Improvements
+#### 🔬Improvements
 
 - Allow updating skeleton layers without recreating them: `updateSkeleton`, `updateGradientSkeleton`, `updateAnimatedSkeleton`, `updateAnimatedGradientSkeleton`. (thanks @eduardbosch)
 
-## [Debug (1.4)](https://github.com/Juanpe/SkeletonView/releases/tag/1.4)
+### 📦 [Debug (1.4)](https://github.com/Juanpe/SkeletonView/releases/tag/1.4)
 
-### New
+#### 🙌 New
 
 - Create `skeletonDescription` print a skeleton representation of the view.
 - Create `SKELETON_DEBUG` environment variable, in order to print the view hierarchy when the skeleton appears.
 
-### Improvements
+#### 🔬Improvements
 - Add two new methods to `SkeletonFlowDelegate` protocol. Now you can know when the skeleton did show and when it did hide.
 - `Recursive` protocol
 
-### Bug fixes
+#### 🩹 Bug fixes
 - Solved issue [#86](https://github.com/Juanpe/SkeletonView/issues/86) (thanks @reececomo)
 
-## [Custom defaults (1.3)](https://github.com/Juanpe/SkeletonView/releases/tag/1.3)
+### 📦 [Custom defaults (1.3)](https://github.com/Juanpe/SkeletonView/releases/tag/1.3)
 
-### New
+#### 🙌 New
 
 - Default values customizables. Now you can set the default values of Skeleton appearance.(thanks @reececomo)
   - issues: [[#50](https://github.com/Juanpe/SkeletonView/issues/50), [#83](https://github.com/Juanpe/SkeletonView/issues/83)]
 
-### Bug fixes
+#### 🩹 Bug fixes
 - Solved issue [#41](https://github.com/Juanpe/SkeletonView/issues/41). Now, Skeleton works if UICollectionView cell's Nib is registered in code. (thanks @kjoneandrei)
 
-## [Typo (1.2.3)](https://github.com/Juanpe/SkeletonView/releases/tag/1.2.3)
+### 📦 [Typo (1.2.3)](https://github.com/Juanpe/SkeletonView/releases/tag/1.2.3)
 
-### Fixes
+####  Fixes
 
 - Fix typo in `SkeletonTableViewDataSource` protocol
 
-### Improvements
+#### 🔬Improvements
 
 - Now it takes in account the `UIStackView` to calculate the `SkeletonLayer` bounds (thanks @giantramen)
 
-## [New face (1.2.2)](https://github.com/Juanpe/SkeletonView/releases/tag/1.2.2)
+### 📦 [New face (1.2.2)](https://github.com/Juanpe/SkeletonView/releases/tag/1.2.2)
 
-### New
+#### 🙌 New
 
 - Rebranding
 
-### Bug fixes
+#### 🩹 Bug fixes
 - Solved issue [#23](https://github.com/Juanpe/SkeletonView/issues/23). Problem with UIStackView. (thanks @giantramen)
 
-## [State (1.2.1)](https://github.com/Juanpe/SkeletonView/releases/tag/1.2.1)
+### 📦 [State (1.2.1)](https://github.com/Juanpe/SkeletonView/releases/tag/1.2.1)
 
-### New
+#### 🙌 New
 
 - You can set the corner radius multiline elements (thanks @B4V4-G)
 - Save view state when skeleton appears and recovery when it is hidden (@juanpe)
 
-### Bug fixes
+#### 🩹 Bug fixes
 - Solved issue [#51](https://github.com/Juanpe/SkeletonView/issues/51). Support inspectable properties when using Carthage. (thanks @eduardbosch)
 
-## [On TV (1.2)](https://github.com/Juanpe/SkeletonView/releases/tag/1.2)
+### 📦 [On TV (1.2)](https://github.com/Juanpe/SkeletonView/releases/tag/1.2)
 
-### New
+#### 🙌 New
 - Now ```SkeletonView``` is **tvOS** compatible! 🎉.  (thanks @mihai8804858)
 
-### Bug fixes
+#### 🩹 Bug fixes
 - Solved issue [#46](https://github.com/Juanpe/SkeletonView/issues/46). It crashes the application when tap on it, didSelect called and crash.
 
 
-## [Hotfix (1.1.1)](https://github.com/Juanpe/SkeletonView/releases/tag/1.1.1)
+### 📦 [Hotfix (1.1.1)](https://github.com/Juanpe/SkeletonView/releases/tag/1.1.1)
 
-### Bug fixes
+#### 🩹 Bug fixes
 - Now yes, solved issue [#39](https://github.com/Juanpe/SkeletonView/issues/39)
 
-## [Needed (1.1)](https://github.com/Juanpe/SkeletonView/releases/tag/1.1)
+### 📦 [Needed (1.1)](https://github.com/Juanpe/SkeletonView/releases/tag/1.1)
 
-### New
+#### 🙌 New
 - Now ```SkeletonView```supports **UICollectionViews**! 🎉.  (thanks @Renatdz)
 
-### Bug fixes
+#### 🩹 Bug fixes
 - Solved issue [#39](https://github.com/Juanpe/SkeletonView/issues/39). Gradient animation did not work when app becomes active.
 
 
-## [Resizable (1.0.5)](https://github.com/Juanpe/SkeletonView/releases/tag/1.0.5)
+### 📦 [Resizable (1.0.5)](https://github.com/Juanpe/SkeletonView/releases/tag/1.0.5)
 
-### New
+#### 🙌 New
 - Now you can use table views with resizable cells.
 
-### Bug fixes
+#### 🩹 Bug fixes
 - Solved issues.
  [#17](https://github.com/Juanpe/SkeletonView/issues/17),
  [#30](https://github.com/Juanpe/SkeletonView/issues/30),
  [#34](https://github.com/Juanpe/SkeletonView/issues/34).
 
-## [Filled or not (1.0.4)](https://github.com/Juanpe/SkeletonView/releases/tag/1.0.4)
+### 📦 [Filled or not (1.0.4)](https://github.com/Juanpe/SkeletonView/releases/tag/1.0.4)
 
-### New
+#### 🙌 New
 - You can set the filling percent of the last line in multiline elements (thanks @jontelang!)
 
-### Bug fixes
+#### 🩹 Bug fixes
 - Solved issue [#14](https://github.com/Juanpe/SkeletonView/issues/14). You could edit text views with skeleton active.
 
-## [In all directions (1.0.3)](https://github.com/Juanpe/SkeletonView/releases/tag/1.0.3)
+### 📦 [In all directions (1.0.3)](https://github.com/Juanpe/SkeletonView/releases/tag/1.0.3)
 
-### New
+#### 🙌 New
 - Create ```SkeletonAnimationBuilder```, to facilitate the creation of layer animations.
 ```GradientDirection``` enum.
 
-## [Retro (1.0.2)](https://github.com/Juanpe/SkeletonView/releases/tag/1.0.2)
+### 📦 [Retro (1.0.2)](https://github.com/Juanpe/SkeletonView/releases/tag/1.0.2)
 
-### New
+#### 🙌 New
 - Change some private keywords, to be Swift 3 compatible
 
-## [Early bird bug (1.0.1)](https://github.com/Juanpe/SkeletonView/releases/tag/1.0.2)
+### 📦 [Early bird bug (1.0.1)](https://github.com/Juanpe/SkeletonView/releases/tag/1.0.2)
 
-### Bug fixes
+#### 🩹 Bug fixes
 - It was not removing the skeleton layer
 
-## [Starter (1.0)](https://github.com/Juanpe/SkeletonView/releases/tag/1.0)
+### 📦 [Starter (1.0)](https://github.com/Juanpe/SkeletonView/releases/tag/1.0)
 
 - First release

Dangerfile.swift

@@ -0,0 +1,44 @@
+import Danger
+
+let danger = Danger()
+let github = danger.github
+
+// Changelog entries are required for changes to library files.
+let allSourceFiles = danger.git.modifiedFiles + danger.git.createdFiles
+let noChangelogEntry = !allSourceFiles.contains("CHANGELOG.md")
+let sourceChanges = allSourceFiles.contains { $0.hasPrefix("Sources") }
+let isNotTrivial = !danger.github.pullRequest.title.contains("#trivial")
+
+if isNotTrivial && noChangelogEntry && sourceChanges {
+    warn("Any changes to library code should be reflected in the Changelog.")
+}
+
+ // Make it more obvious that a PR is a work in progress and shouldn't be merged yet
+if danger.github.pullRequest.title.contains("WIP") {
+    warn("PR is classed as Work in Progress")
+}
+
+// Warn, asking to update all README files if only English README are updated
+let enReameModified = danger.git.modifiedFiles.contains { $0.contains("README.md") }
+let zhReameModified = danger.git.modifiedFiles.contains { $0.contains("README_zh.md") }
+let koReameModified = danger.git.modifiedFiles.contains { $0.contains("README_ko.md") }
+let ptBrReameModified = danger.git.modifiedFiles.contains { $0.contains("README_pt-br.md") }
+let otherLanguagesReadmeHaveBeenModified = zhReameModified && koReameModified && ptBrReameModified
+
+if (enReameModified && !otherLanguagesReadmeHaveBeenModified) {
+    warn("Consider **also** updating the README for other languages.")
+}
+
+// Warn when there is a big PR
+if (danger.github.pullRequest.additions ?? 0) > 500 {
+    warn("Big PR, try to keep changes smaller if you can")
+}
+
+// Added (or removed) library files need to be added (or removed) from the
+// Xcode project to avoid breaking things.
+let addedSwiftLibraryFiles = danger.git.createdFiles.contains { $0.fileType == .swift && $0.hasPrefix("Sources") }
+let deletedSwiftLibraryFiles = danger.git.deletedFiles.contains { $0.fileType == .swift && $0.hasPrefix("Sources") }
+let modifiedXcodeProject = danger.git.modifiedFiles.contains { $0.contains(".xcodeproj") }
+if (addedSwiftLibraryFiles || deletedSwiftLibraryFiles) && !modifiedXcodeProject {
+    fail("Added or removed files require the Xcode project to be updated.")
+}

Example/CollectionView/Main.storyboard

@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="irH-dz-xqL">
-    <device id="retina4_7" orientation="portrait">
-        <adaptation id="fullscreen"/>
-    </device>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="15702" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="irH-dz-xqL">
+    <device id="retina4_7" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14490.49"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="15704"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -19,7 +17,7 @@
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="eHI-ka-8vS">
-                                <rect key="frame" x="0.0" y="20" width="375" height="243"/>
+                                <rect key="frame" x="0.0" y="0.0" width="375" height="243"/>
                                 <subviews>
                                     <textView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" textAlignment="natural" translatesAutoresizingMaskIntoConstraints="NO" id="obr-b6-dib">
                                         <rect key="frame" x="45" y="142" width="287" height="78"/>
@@ -66,7 +64,7 @@
                                 </userDefinedRuntimeAttributes>
                             </view>
                             <collectionView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" dataMode="prototypes" translatesAutoresizingMaskIntoConstraints="NO" id="HKL-L0-T2w">
-                                <rect key="frame" x="0.0" y="263" width="375" height="244"/>
+                                <rect key="frame" x="0.0" y="243" width="375" height="264"/>
                                 <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                                 <collectionViewFlowLayout key="collectionViewLayout" minimumLineSpacing="10" minimumInteritemSpacing="10" id="mGU-kn-rfE">
                                     <size key="itemSize" width="50" height="50"/>
@@ -83,7 +81,7 @@
                                 <rect key="frame" x="0.0" y="507" width="375" height="160"/>
                                 <subviews>
                                     <segmentedControl opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="plain" selectedSegmentIndex="0" translatesAutoresizingMaskIntoConstraints="NO" id="fMR-vj-7de">
-                                        <rect key="frame" x="20" y="22.5" width="135" height="29"/>
+                                        <rect key="frame" x="20" y="21" width="145" height="32"/>
                                         <segments>
                                             <segment title="Solid"/>
                                             <segment title="Gradient"/>
@@ -135,14 +133,14 @@
                                             <action selector="showOrHideSkeleton:" destination="irH-dz-xqL" eventType="touchUpInside" id="lHc-k2-OgV"/>
                                         </connections>
                                     </button>
-                                    <stepper opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" maximumValue="5" stepValue="0.25" translatesAutoresizingMaskIntoConstraints="NO" id="3mz-9M-e7Q">
-                                        <rect key="frame" x="263" y="126" width="94" height="29"/>
+                                    <stepper opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" value="0.25" maximumValue="5" stepValue="0.25" translatesAutoresizingMaskIntoConstraints="NO" id="3mz-9M-e7Q">
+                                        <rect key="frame" x="263" y="123" width="94" height="32"/>
                                         <connections>
                                             <action selector="transitionDurationStepperAction:" destination="irH-dz-xqL" eventType="valueChanged" id="Ll0-Pr-d0V"/>
                                         </connections>
                                     </stepper>
-                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Fade Duration: 0 sec" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="5gN-Jz-44y">
-                                        <rect key="frame" x="113.5" y="131.5" width="141.5" height="18"/>
+                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Fade Duration: 0.25 sec" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="5gN-Jz-44y">
+                                        <rect key="frame" x="92.5" y="130" width="162.5" height="18"/>
                                         <fontDescription key="fontDescription" type="system" pointSize="15"/>
                                         <nil key="textColor"/>
                                         <nil key="highlightedColor"/>

Example/CollectionView/ViewController.swift

@@ -45,6 +45,7 @@ class ViewController: UIViewController {
     
     override func viewDidLoad() {
         super.viewDidLoad()
+        transitionDurationStepper.value = 0.25
         collectionView.prepareSkeleton(completion: { done in
             self.view.showAnimatedSkeleton()
         })

Example/TableView/Base.lproj/Main.storyboard

@@ -66,7 +66,6 @@
                             </view>
                             <tableView clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="none" rowHeight="-1" estimatedRowHeight="-1" sectionHeaderHeight="28" sectionFooterHeight="28" translatesAutoresizingMaskIntoConstraints="NO" id="UCB-SP-lQk">
                                 <rect key="frame" x="0.0" y="287" width="375" height="282"/>
-                                <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                                 <color key="separatorColor" red="0.1061807256" green="0.84678786989999999" blue="0.031482450150000001" alpha="1" colorSpace="custom" customColorSpace="displayP3"/>
                                 <prototypes>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" reuseIdentifier="CellIdentifier" rowHeight="120" id="2dN-Bd-tdy" customClass="Cell" customModule="SkeletonViewExample" customModuleProvider="target">
@@ -87,12 +86,12 @@
                                                         <userDefinedRuntimeAttribute type="boolean" keyPath="isSkeletonable" value="YES"/>
                                                     </userDefinedRuntimeAttributes>
                                                 </imageView>
-                                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Label" textAlignment="natural" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="VhU-1t-AaI" userLabel="Label">
-                                                    <rect key="frame" x="118" y="29" width="237" height="20.333333333333329"/>
+                                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Label" textAlignment="natural" lineBreakMode="tailTruncation" numberOfLines="3" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="VhU-1t-AaI" userLabel="Label">
+                                                    <rect key="frame" x="118" y="29" width="237" height="18"/>
                                                     <constraints>
                                                         <constraint firstAttribute="height" relation="lessThanOrEqual" constant="71" id="HRL-cI-ieC"/>
                                                     </constraints>
-                                                    <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                                    <fontDescription key="fontDescription" type="system" pointSize="15"/>
                                                     <nil key="textColor"/>
                                                     <nil key="highlightedColor"/>
                                                     <userDefinedRuntimeAttributes>
@@ -108,6 +107,7 @@
                                             </subviews>
                                             <constraints>
                                                 <constraint firstItem="oiE-tt-nc2" firstAttribute="leading" secondItem="7IN-F3-Mr6" secondAttribute="leadingMargin" id="1be-ak-AH1"/>
+                                                <constraint firstAttribute="bottom" secondItem="oiE-tt-nc2" secondAttribute="bottom" constant="20" id="CKt-oA-eBI"/>
                                                 <constraint firstItem="oiE-tt-nc2" firstAttribute="top" secondItem="7IN-F3-Mr6" secondAttribute="topMargin" constant="7" id="EKn-ST-LDX"/>
                                                 <constraint firstAttribute="trailingMargin" secondItem="VhU-1t-AaI" secondAttribute="trailing" constant="5" id="I7C-Bq-mfK"/>
                                                 <constraint firstItem="VhU-1t-AaI" firstAttribute="leading" secondItem="oiE-tt-nc2" secondAttribute="trailing" constant="21" id="Ojr-Kz-1k6"/>
@@ -190,13 +190,13 @@
                                             <action selector="showOrHideSkeleton:" destination="BYZ-38-t0r" eventType="touchUpInside" id="Ma1-WX-Dzy"/>
                                         </connections>
                                     </button>
-                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Fade Duration: 0 sec" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="mrw-PM-jJJ">
-                                        <rect key="frame" x="113.66666666666667" y="130" width="141.33333333333331" height="18"/>
+                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Fade Duration: 0.25 sec" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="mrw-PM-jJJ">
+                                        <rect key="frame" x="92.333333333333329" y="130" width="162.66666666666669" height="18"/>
                                         <fontDescription key="fontDescription" type="system" pointSize="15"/>
                                         <nil key="textColor"/>
                                         <nil key="highlightedColor"/>
                                     </label>
-                                    <stepper opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" maximumValue="5" stepValue="0.25" translatesAutoresizingMaskIntoConstraints="NO" id="l4N-LL-ZrJ">
+                                    <stepper opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" value="0.25" maximumValue="5" stepValue="0.25" translatesAutoresizingMaskIntoConstraints="NO" id="l4N-LL-ZrJ">
                                         <rect key="frame" x="263" y="123" width="94" height="32"/>
                                         <connections>
                                             <action selector="transitionDurationStepperAction:" destination="BYZ-38-t0r" eventType="valueChanged" id="jPN-df-fNs"/>
@@ -261,7 +261,7 @@
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="-2682" y="340"/>
+            <point key="canvasLocation" x="-2682.4000000000001" y="339.90147783251234"/>
         </scene>
         <!--Item-->
         <scene sceneID="Cfc-AT-AS1">

Example/TableView/HeaderFooterSection.swift

@@ -0,0 +1,40 @@
+// Copyright © 2020 SkeletonView. All rights reserved.
+
+import UIKit
+
+class HeaderFooterSection: UITableViewHeaderFooterView {
+    
+    lazy var titleLabel: UILabel = {
+        let label = UILabel()
+        
+        label.text = "      "
+        label.isSkeletonable = true
+        label.linesCornerRadius = 5
+        
+        return label
+    }()
+    
+    override init(reuseIdentifier: String?) {
+        super.init(reuseIdentifier: reuseIdentifier)
+        
+        isSkeletonable = true
+        
+        contentView.addSubview(titleLabel)
+
+        titleLabel.translatesAutoresizingMaskIntoConstraints = false
+        
+        NSLayoutConstraint.activate([
+            titleLabel.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 10),
+            titleLabel.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 10),
+            titleLabel.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -10),
+            titleLabel.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -10)
+        ])
+        
+        backgroundView = UIView()
+        backgroundView?.backgroundColor = .white
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+}

Example/TableView/ViewController.swift

@@ -13,9 +13,13 @@ class ViewController: UIViewController {
     @IBOutlet weak var tableview: UITableView! {
         didSet {
             tableview.rowHeight = UITableView.automaticDimension
+            tableview.sectionHeaderHeight = UITableView.automaticDimension
+            tableview.sectionFooterHeight = UITableView.automaticDimension
             tableview.estimatedRowHeight = 120.0
-            tableview.register(UITableViewHeaderFooterView.self, forHeaderFooterViewReuseIdentifier: "HeaderIdentifier")
-            tableview.register(UITableViewHeaderFooterView.self, forHeaderFooterViewReuseIdentifier: "FooterIdentifier")
+            tableview.estimatedSectionFooterHeight = 20.0
+            tableview.estimatedSectionHeaderHeight = 20.0
+            tableview.register(HeaderFooterSection.self, forHeaderFooterViewReuseIdentifier: "HeaderIdentifier")
+            tableview.register(HeaderFooterSection.self, forHeaderFooterViewReuseIdentifier: "FooterIdentifier")
         }
     }
     
@@ -47,6 +51,7 @@ class ViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
         tableview.isSkeletonable = true
+        transitionDurationStepper.value = 0.25
         view.showAnimatedSkeleton()
     }
     
@@ -186,8 +191,9 @@ extension ViewController: SkeletonTableViewDelegate {
     }
 
     func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
-        let header = tableView.dequeueReusableHeaderFooterView(withIdentifier: "HeaderIdentifier")!
-        header.textLabel?.text = "header => \(section)"
+        let header = tableView
+            .dequeueReusableHeaderFooterView(withIdentifier: "HeaderIdentifier") as! HeaderFooterSection
+        header.titleLabel.text = "header => \(section)"
         return header
     }
 
@@ -196,8 +202,9 @@ extension ViewController: SkeletonTableViewDelegate {
     }
 
     func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
-        let footer = tableView.dequeueReusableHeaderFooterView(withIdentifier: "FooterIdentifier")!
-        footer.textLabel?.text = "footer => \(section)"
+        let footer = tableView
+            .dequeueReusableHeaderFooterView(withIdentifier: "FooterIdentifier") as! HeaderFooterSection
+        footer.titleLabel.text = "footer => \(section)"
         return footer
     }
 }

README.md

@@ -1,8 +1,8 @@
 ![](Assets/header2.jpg)
 
 <p align="center">
-    <a href="https://app.bitrise.io/app/6d289a17e22c8323">
-      <img src="https://app.bitrise.io/app/6d289a17e22c8323/status.svg?token=fI7gKC41XD9-aRXDScCKBw&branch=master">
+    <a href="https://github.com/Juanpe/SkeletonView/workflows/build">
+      <img src="https://github.com/Juanpe/SkeletonView/workflows/build/badge.svg">
     </a>
     <a href="https://codebeat.co/projects/github-com-juanpe-skeletonview-master"><img alt="codebeat badge" src="https://codebeat.co/badges/f854fdfd-31e5-4689-ba04-075d83653e60" /></a>
     <a href="https://github.com/Juanpe/SkeletonView">
@@ -349,6 +349,8 @@ Default values:
   - *default: 70*
 - **multilineCornerRadius**: Int
   - *default: 0*
+- **skeletonCornerRadius**: CGFloat (IBInspectable)  (Make your skeleton view with corner)
+  - *default: 0*
 
 To get these default values you can use `SkeletonAppearance.default`. Using this property you can set the values as well:
 ```Swift
@@ -428,6 +430,8 @@ view.hideSkeleton(transition: .crossDissolve(0.25))     //Hide skeleton cross di
 
 ```
 
+The default value is  `crossDissolve(0.25)`
+
 **Preview**
 
 <table>

SkeletonView.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "SkeletonView"
-  s.version      = "1.8.3"
+  s.version      = "1.8.7"
   s.summary      = "An elegant way to show users that something is happening and also prepare them to which contents he is waiting"
   s.description  = <<-DESC
   Today almost all apps have async processes, as API requests, long runing processes, etc. And while the processes are working, usually developers place a loading view to show users that something is going on.

SkeletonView.xcodeproj/project.pbxproj

@@ -30,6 +30,8 @@
 		17DD0E1F207FB32100C56334 /* RecursiveProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = F5307E311FB0F42F00EE67C5 /* RecursiveProtocol.swift */; };
 		1E6C67A2230E76CC0019D87B /* SkeletonTransitionStyle.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4CE587C22EEE65200333067 /* SkeletonTransitionStyle.swift */; };
 		1E6C67A3230E76CE0019D87B /* UIView+Transitions.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4CE587B22EEE63100333067 /* UIView+Transitions.swift */; };
+		1EE42E1F23FF25CC00BF665A /* ProcessInfo+XCTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1EE42E1E23FF25CC00BF665A /* ProcessInfo+XCTest.swift */; };
+		1EE42E2023FF25CC00BF665A /* ProcessInfo+XCTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1EE42E1E23FF25CC00BF665A /* ProcessInfo+XCTest.swift */; };
 		42ABD063210B548200BEEFF4 /* SkeletonView.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 52D6D97C1BEFF229002C0205 /* SkeletonView.framework */; };
 		42ABD069210B548200BEEFF4 /* SkeletonView.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 52D6D97C1BEFF229002C0205 /* SkeletonView.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		42ABD078210B54E200BEEFF4 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 42ABD070210B54E100BEEFF4 /* AppDelegate.swift */; };
@@ -38,6 +40,10 @@
 		42ABD07B210B54E200BEEFF4 /* ViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 42ABD073210B54E100BEEFF4 /* ViewController.swift */; };
 		42ABD07C210B54E200BEEFF4 /* Base.lproj in Resources */ = {isa = PBXBuildFile; fileRef = 42ABD074210B54E100BEEFF4 /* Base.lproj */; };
 		42ABD07F210B54E200BEEFF4 /* CollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 42ABD077210B54E200BEEFF4 /* CollectionViewCell.swift */; };
+		5600784423FD293D00669AD6 /* UITableView+VisibleSections.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5600784323FD293D00669AD6 /* UITableView+VisibleSections.swift */; };
+		5600784523FD293D00669AD6 /* UITableView+VisibleSections.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5600784323FD293D00669AD6 /* UITableView+VisibleSections.swift */; };
+		5600784923FD33AD00669AD6 /* HeaderFooterSection.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5600784623FD2BC300669AD6 /* HeaderFooterSection.swift */; };
+		5600784A23FD33AE00669AD6 /* HeaderFooterSection.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5600784623FD2BC300669AD6 /* HeaderFooterSection.swift */; };
 		870F4E4321CAC07300B9233B /* SkeletonConfig.swift in Sources */ = {isa = PBXBuildFile; fileRef = 870F4E4221CAC07300B9233B /* SkeletonConfig.swift */; };
 		870F4E4421CAC07300B9233B /* SkeletonConfig.swift in Sources */ = {isa = PBXBuildFile; fileRef = 870F4E4221CAC07300B9233B /* SkeletonConfig.swift */; };
 		872D5A5621C177E20037D763 /* UIView+Extension.swift in Sources */ = {isa = PBXBuildFile; fileRef = 872D5A5521C177E20037D763 /* UIView+Extension.swift */; };
@@ -152,6 +158,7 @@
 		17DD0E00207FB27400C56334 /* SkeletonView.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = SkeletonView.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		17DD0E1A207FB2C200C56334 /* SkeletonView-tvOS.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "SkeletonView-tvOS.plist"; sourceTree = "<group>"; };
 		17DD0E1B207FB2C200C56334 /* SkeletonView-iOS.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "SkeletonView-iOS.plist"; sourceTree = "<group>"; };
+		1EE42E1E23FF25CC00BF665A /* ProcessInfo+XCTest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "ProcessInfo+XCTest.swift"; sourceTree = "<group>"; };
 		42ABD06D210B548200BEEFF4 /* SkeletonViewExampleUICollectionView.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = SkeletonViewExampleUICollectionView.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		42ABD070210B54E100BEEFF4 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		42ABD071210B54E100BEEFF4 /* Main.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; path = Main.storyboard; sourceTree = "<group>"; };
@@ -161,6 +168,8 @@
 		42ABD076210B54E200BEEFF4 /* SkeletonViewExampleCollectionview-Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = "SkeletonViewExampleCollectionview-Info.plist"; sourceTree = "<group>"; };
 		42ABD077210B54E200BEEFF4 /* CollectionViewCell.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CollectionViewCell.swift; sourceTree = "<group>"; };
 		52D6D97C1BEFF229002C0205 /* SkeletonView.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = SkeletonView.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		5600784323FD293D00669AD6 /* UITableView+VisibleSections.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UITableView+VisibleSections.swift"; sourceTree = "<group>"; };
+		5600784623FD2BC300669AD6 /* HeaderFooterSection.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HeaderFooterSection.swift; sourceTree = "<group>"; };
 		870F4E4221CAC07300B9233B /* SkeletonConfig.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SkeletonConfig.swift; sourceTree = "<group>"; };
 		872D5A5521C177E20037D763 /* UIView+Extension.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIView+Extension.swift"; sourceTree = "<group>"; };
 		872D5A5B21C24EDD0037D763 /* UILabel+Multiline.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UILabel+Multiline.swift"; sourceTree = "<group>"; };
@@ -295,6 +304,7 @@
 				F5F899F41FABA607002E8FDA /* AppDelegate.swift */,
 				88DEA97D1FCDBD1F006C80EF /* Constants.swift */,
 				F5F899F61FABA607002E8FDA /* ViewController.swift */,
+				5600784623FD2BC300669AD6 /* HeaderFooterSection.swift */,
 				F5F622441FACA338007C062A /* Cell.swift */,
 				F5F899F81FABA607002E8FDA /* Main.storyboard */,
 				F5F899FB1FABA607002E8FDA /* Assets.xcassets */,
@@ -430,6 +440,8 @@
 				F5307E2D1FB0E5E400EE67C5 /* UIView+Frame.swift */,
 				F5804771230ECD0000066D02 /* UIView+IBInspectable.swift */,
 				F587FB85202CEC95002DB5FE /* UIView+UIApplicationDelegate.swift */,
+				5600784323FD293D00669AD6 /* UITableView+VisibleSections.swift */,
+				1EE42E1E23FF25CC00BF665A /* ProcessInfo+XCTest.swift */,
 			);
 			path = Extensions;
 			sourceTree = "<group>";
@@ -683,6 +695,7 @@
 				F51ED28320973CBB008B2434 /* SkeletonCollectionDelegate.swift in Sources */,
 				F58A6E6F20A8C66300612494 /* Recoverable.swift in Sources */,
 				17DD0E18207FB28F00C56334 /* SkeletonView.swift in Sources */,
+				1EE42E2023FF25CC00BF665A /* ProcessInfo+XCTest.swift in Sources */,
 				17DD0E19207FB28F00C56334 /* SkeletonFlow.swift in Sources */,
 				17DD0E09207FB28900C56334 /* SkeletonCollectionDataSource.swift in Sources */,
 				17DD0E0C207FB28900C56334 /* UICollectionView+CollectionSkeleton.swift in Sources */,
@@ -692,6 +705,7 @@
 				F5D3FB0C209DCAA300003FCF /* SubviewsSkeletonables.swift in Sources */,
 				17DD0E14207FB28F00C56334 /* SkeletonAnimationBuilder.swift in Sources */,
 				17DD0E11207FB28C00C56334 /* UIView+Frame.swift in Sources */,
+				5600784523FD293D00669AD6 /* UITableView+VisibleSections.swift in Sources */,
 				17DD0E15207FB28F00C56334 /* SkeletonAppearance.swift in Sources */,
 				872D5A6021C24F8E0037D763 /* UITextView+Multiline.swift in Sources */,
 				17DD0E10207FB28C00C56334 /* UIColor+Skeleton.swift in Sources */,
@@ -713,6 +727,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				42ABD07B210B54E200BEEFF4 /* ViewController.swift in Sources */,
+				5600784A23FD33AE00669AD6 /* HeaderFooterSection.swift in Sources */,
 				42ABD078210B54E200BEEFF4 /* AppDelegate.swift in Sources */,
 				42ABD07F210B54E200BEEFF4 /* CollectionViewCell.swift in Sources */,
 				8785E3A3211C9CE800CC9DFD /* Constants.swift in Sources */,
@@ -740,6 +755,7 @@
 				F5F899ED1FAB9F04002E8FDA /* CollectionSkeletonProtocol.swift in Sources */,
 				F58A6E6E20A8C66300612494 /* Recoverable.swift in Sources */,
 				F5307E2C1FAF6BC900EE67C5 /* SkeletonGradient.swift in Sources */,
+				1EE42E1F23FF25CC00BF665A /* ProcessInfo+XCTest.swift in Sources */,
 				F587FB86202CEC95002DB5FE /* UIView+UIApplicationDelegate.swift in Sources */,
 				F5F899EB1FAB9DA3002E8FDA /* SkeletonCollectionDataSource.swift in Sources */,
 				F5F622411FAC6E31007C062A /* UIColor+Skeleton.swift in Sources */,
@@ -749,6 +765,7 @@
 				F5D3FB0B209DCAA300003FCF /* SubviewsSkeletonables.swift in Sources */,
 				F5F899D21FAB9630002E8FDA /* AssociationPolicy.swift in Sources */,
 				F54CF5E62024CEB000330B0D /* UICollectionView+CollectionSkeleton.swift in Sources */,
+				5600784423FD293D00669AD6 /* UITableView+VisibleSections.swift in Sources */,
 				F56B94461FAE20AF0095662F /* PrepareForSkeletonProtocol.swift in Sources */,
 				F5307E391FB1078E00EE67C5 /* SkeletonCollectionViewProtocols.swift in Sources */,
 				872D5A5F21C24F8E0037D763 /* UITextView+Multiline.swift in Sources */,
@@ -770,6 +787,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				F5F899F71FABA607002E8FDA /* ViewController.swift in Sources */,
+				5600784923FD33AD00669AD6 /* HeaderFooterSection.swift in Sources */,
 				F5F899F51FABA607002E8FDA /* AppDelegate.swift in Sources */,
 				F5F622451FACA338007C062A /* Cell.swift in Sources */,
 				88DEA97F1FCDBD78006C80EF /* Constants.swift in Sources */,
@@ -1100,7 +1118,7 @@
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
-				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = "";
 				GCC_C_LANGUAGE_STANDARD = gnu11;
@@ -1109,6 +1127,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.juanpecatalan.SkeletonViewExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -1125,7 +1144,7 @@
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
-				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = "";
 				GCC_C_LANGUAGE_STANDARD = gnu11;
@@ -1134,6 +1153,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.juanpecatalan.SkeletonViewExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";

Sources/Appearance/SkeletonAppearance.swift

@@ -9,6 +9,7 @@ public protocol Appearance {
     var multilineSpacing: CGFloat { get set }
     var multilineLastLineFillPercent: Int { get set }
     var multilineCornerRadius: Int { get set }
+    var renderSingleLineAsView: Bool { get set }
 }
 
 public enum SkeletonAppearance {
@@ -30,5 +31,7 @@ class SkeletonViewAppearance: Appearance {
     var multilineLastLineFillPercent: Int = 70
 
     var multilineCornerRadius: Int = 0
+    
+    var renderSingleLineAsView: Bool = false
 }
 // codebeat:enable[TOO_MANY_IVARS]

Sources/Builders/SkeletonMultilineLayerBuilder.swift

@@ -7,6 +7,7 @@ import UIKit
 class SkeletonMultilineLayerBuilder {
     var skeletonType: SkeletonType?
     var index: Int?
+    var height: CGFloat?
     var width: CGFloat?
     var cornerRadius: Int?
     var multilineSpacing: CGFloat = SkeletonAppearance.default.multilineSpacing
@@ -22,6 +23,11 @@ class SkeletonMultilineLayerBuilder {
         return self
     }
 
+    func setHeight(_ height: CGFloat) -> SkeletonMultilineLayerBuilder {
+           self.height = height
+           return self
+       }
+    
     func setWidth(_ width: CGFloat) -> SkeletonMultilineLayerBuilder {
         self.width = width
         return self
@@ -46,13 +52,14 @@ class SkeletonMultilineLayerBuilder {
         guard let type = skeletonType,
               let index = index,
               let width = width,
+              let height = height,
               let radius = cornerRadius
             else { return nil }
 
         let layer = type.layer
         layer.anchorPoint = .zero
         layer.name = CALayer.skeletonSubLayersName
-        layer.updateLayerFrame(for: index, width: width, multilineSpacing: self.multilineSpacing, paddingInsets: paddingInsets)
+        layer.updateLayerFrame(for: index, size: CGSize(width: width, height: height), multilineSpacing: self.multilineSpacing, paddingInsets: paddingInsets)
 
         layer.cornerRadius = CGFloat(radius)
         layer.masksToBounds = true

Sources/Collections/SkeletonCollectionDataSource.swift

@@ -14,12 +14,14 @@ class SkeletonCollectionDataSource: NSObject {
     weak var originalTableViewDataSource: SkeletonTableViewDataSource?
     weak var originalCollectionViewDataSource: SkeletonCollectionViewDataSource?
     var rowHeight: CGFloat = 0.0
+    var originalRowHeight: CGFloat = 0.0
     
-    convenience init(tableViewDataSource: SkeletonTableViewDataSource? = nil, collectionViewDataSource: SkeletonCollectionViewDataSource? = nil, rowHeight: CGFloat = 0.0) {
+    convenience init(tableViewDataSource: SkeletonTableViewDataSource? = nil, collectionViewDataSource: SkeletonCollectionViewDataSource? = nil, rowHeight: CGFloat = 0.0, originalRowHeight: CGFloat = 0.0) {
         self.init()
         self.originalTableViewDataSource = tableViewDataSource
         self.originalCollectionViewDataSource = collectionViewDataSource
         self.rowHeight = rowHeight
+        self.originalRowHeight = originalRowHeight
     }
 }
 

Sources/Collections/SkeletonCollectionDelegate.swift

@@ -41,6 +41,21 @@ extension SkeletonCollectionDelegate: UITableViewDelegate {
 
         return nil
     }
+
+    func tableView(_ tableView: UITableView, didEndDisplayingHeaderView view: UIView, forSection section: Int) {
+        view.hideSkeleton()
+        originalTableViewDelegate?.tableView?(tableView, didEndDisplayingHeaderView: view, forSection: section)
+    }
+    
+    func tableView(_ tableView: UITableView, didEndDisplayingFooterView view: UIView, forSection section: Int) {
+        view.hideSkeleton()
+        originalTableViewDelegate?.tableView?(tableView, didEndDisplayingFooterView: view, forSection: section)
+    }
+    
+    func tableView(_ tableView: UITableView, didEndDisplaying cell: UITableViewCell, forRowAt indexPath: IndexPath) {
+        cell.hideSkeleton()
+        originalTableViewDelegate?.tableView?(tableView, didEndDisplaying: cell, forRowAt: indexPath)
+    }
 }
 
 // MARK: - UICollectionViewDelegate

Sources/Collections/TableViews/UITableView+CollectionSkeleton.swift

@@ -35,9 +35,11 @@ extension UITableView: CollectionSkeleton {
         guard let originalDataSource = self.dataSource as? SkeletonTableViewDataSource,
             !(originalDataSource is SkeletonCollectionDataSource)
             else { return }
-        let rowHeight = calculateRowHeight()
+        let calculatedRowHeight = calculateRowHeight()
         let dataSource = SkeletonCollectionDataSource(tableViewDataSource: originalDataSource,
-                                                      rowHeight: rowHeight)
+                                                      rowHeight: rowHeight,
+                                                      originalRowHeight: self.rowHeight)
+        rowHeight = calculatedRowHeight
         self.skeletonDataSource = dataSource
 
         if let originalDelegate = self.delegate as? SkeletonTableViewDelegate,
@@ -74,12 +76,11 @@ extension UITableView: CollectionSkeleton {
 
     private func restoreRowHeight() {
         guard let dataSource = self.dataSource as? SkeletonCollectionDataSource else { return }
-        rowHeight = dataSource.rowHeight
+        rowHeight = dataSource.originalRowHeight
     }
     
     private func calculateRowHeight() -> CGFloat {
         guard rowHeight == UITableView.automaticDimension else { return rowHeight }
-        rowHeight = estimatedRowHeight
         return estimatedRowHeight
     }
 }

Sources/Collections/UIView+CollectionSkeleton.swift

@@ -10,19 +10,22 @@ import UIKit
 
 extension UIView {
     func addDummyDataSourceIfNeeded() {
-        guard let collection = self as? CollectionSkeleton else { return }
+        guard let collection = self as? CollectionSkeleton,
+            !ProcessInfo.isRunningXCTest else { return }
         status = .on
         collection.addDummyDataSource()
         collection.disableUserInteraction()
     }
     
     func updateDummyDataSourceIfNeeded() {
-        guard let collection = self as? CollectionSkeleton else { return }
+        guard let collection = self as? CollectionSkeleton,
+            !ProcessInfo.isRunningXCTest else { return }
         collection.updateDummyDataSource()
     }
     
     func removeDummyDataSourceIfNeeded(reloadAfter reload: Bool = true) {
-        guard let collection = self as? CollectionSkeleton else { return }
+        guard let collection = self as? CollectionSkeleton,
+            !ProcessInfo.isRunningXCTest else { return }
         status = .off
         collection.removeDummyDataSource(reloadAfter: reload)
         collection.enableUserInteraction()

Sources/Extensions/CALayer+Extensions.swift

@@ -28,6 +28,16 @@ extension CAGradientLayer {
     }
 }
 
+struct SkeletonMultilinesLayerConfig {
+	var lines: Int
+	var lineHeight: CGFloat? = nil
+	var type: SkeletonType
+	var lastLineFillPercent: Int
+	var multilineCornerRadius: Int
+	var multilineSpacing: CGFloat
+	var paddingInsets: UIEdgeInsets
+}
+
 
 // MARK: Skeleton sublayers
 extension CALayer {
@@ -36,18 +46,23 @@ extension CALayer {
     var skeletonSublayers: [CALayer] {
         return sublayers?.filter { $0.name == CALayer.skeletonSubLayersName } ?? [CALayer]()
     }
-
-    func addMultilinesLayers(lines: Int, type: SkeletonType, lastLineFillPercent: Int, multilineCornerRadius: Int, multilineSpacing: CGFloat, paddingInsets: UIEdgeInsets) {
-        let numberOfSublayers = calculateNumLines(maxLines: lines, multilineSpacing: multilineSpacing, paddingInsets: paddingInsets)
+    
+	func addMultilinesLayers(for config: SkeletonMultilinesLayerConfig) {
+        let numberOfSublayers = config.lines == 1 ? 1 : calculateNumLines(for: config)
+        var height = config.lineHeight ?? SkeletonAppearance.default.multilineHeight
+        if numberOfSublayers == 1 {
+            height = bounds.height
+        }
 
         let layerBuilder = SkeletonMultilineLayerBuilder()
-            .setSkeletonType(type)
-            .setCornerRadius(multilineCornerRadius)
-            .setMultilineSpacing(multilineSpacing)
-            .setPadding(paddingInsets)
-
+			.setSkeletonType(config.type)
+			.setCornerRadius(config.multilineCornerRadius)
+			.setMultilineSpacing(config.multilineSpacing)
+            .setPadding(config.paddingInsets)
+            .setHeight(height)
+    
         (0..<numberOfSublayers).forEach { index in
-			let width = calculatedWidthForLine(at: index, totalLines: numberOfSublayers, lastLineFillPercent: lastLineFillPercent, paddingInsets: paddingInsets)
+			let width = calculatedWidthForLine(at: index, totalLines: numberOfSublayers, lastLineFillPercent: config.lastLineFillPercent, paddingInsets: config.paddingInsets)
             if let layer = layerBuilder
                 .setIndex(index)
                 .setWidth(width)
@@ -57,12 +72,20 @@ extension CALayer {
         }
     }
 
-    func updateMultilinesLayers(lastLineFillPercent: Int, multilineSpacing: CGFloat, paddingInsets: UIEdgeInsets) {
+    func updateMultilinesLayers(for config: SkeletonMultilinesLayerConfig) {
         let currentSkeletonSublayers = skeletonSublayers
         let numberOfSublayers = currentSkeletonSublayers.count
+        let lastLineFillPercent = config.lastLineFillPercent
+        let paddingInsets = config.paddingInsets
+        let multilineSpacing = config.multilineSpacing
+        var height = config.lineHeight ?? SkeletonAppearance.default.multilineHeight
+        if numberOfSublayers == 1 {
+            height = bounds.height
+        }
+        
         for (index, layer) in currentSkeletonSublayers.enumerated() {
             let width = calculatedWidthForLine(at: index, totalLines: numberOfSublayers, lastLineFillPercent: lastLineFillPercent, paddingInsets: paddingInsets)
-            layer.updateLayerFrame(for: index, width: width, multilineSpacing: multilineSpacing, paddingInsets: paddingInsets)
+            layer.updateLayerFrame(for: index, size: CGSize(width: width, height: height), multilineSpacing: multilineSpacing, paddingInsets: paddingInsets)
         }
     }
 
@@ -74,15 +97,15 @@ extension CALayer {
         return width
     }
 
-    func updateLayerFrame(for index: Int, width: CGFloat, multilineSpacing: CGFloat, paddingInsets: UIEdgeInsets) {
+    func updateLayerFrame(for index: Int, size: CGSize, multilineSpacing: CGFloat, paddingInsets: UIEdgeInsets) {
         let spaceRequiredForEachLine = SkeletonAppearance.default.multilineHeight + multilineSpacing
-        frame = CGRect(x: paddingInsets.left, y: CGFloat(index) * spaceRequiredForEachLine + paddingInsets.top, width: width, height: SkeletonAppearance.default.multilineHeight)
+        frame = CGRect(x: paddingInsets.left, y: CGFloat(index) * spaceRequiredForEachLine + paddingInsets.top, width: size.width, height: size.height)
     }
 
-    private func calculateNumLines(maxLines: Int, multilineSpacing: CGFloat, paddingInsets: UIEdgeInsets) -> Int {
-        let requiredSpaceForEachLine = SkeletonAppearance.default.multilineHeight + multilineSpacing
-        var numberOfSublayers = Int(round(CGFloat(bounds.height - paddingInsets.top - paddingInsets.bottom)/CGFloat(requiredSpaceForEachLine)))
-        if maxLines != 0,  maxLines <= numberOfSublayers { numberOfSublayers = maxLines }
+	private func calculateNumLines(for config: SkeletonMultilinesLayerConfig) -> Int {
+		let requiredSpaceForEachLine = (config.lineHeight ?? SkeletonAppearance.default.multilineHeight) + config.multilineSpacing
+		var numberOfSublayers = Int(round(CGFloat(bounds.height - config.paddingInsets.top - config.paddingInsets.bottom)/CGFloat(requiredSpaceForEachLine)))
+		if config.lines != 0,  config.lines <= numberOfSublayers { numberOfSublayers = config.lines }
         return numberOfSublayers
     }
 }
@@ -100,26 +123,26 @@ public extension CALayer {
         pulseAnimation.isRemovedOnCompletion = false
         return pulseAnimation
     }
-
+    
     var sliding: CAAnimation {
         let startPointAnim = CABasicAnimation(keyPath: #keyPath(CAGradientLayer.startPoint))
         startPointAnim.fromValue = CGPoint(x: -1, y: 0.5)
         startPointAnim.toValue = CGPoint(x:1, y: 0.5)
-
+        
         let endPointAnim = CABasicAnimation(keyPath: #keyPath(CAGradientLayer.endPoint))
         endPointAnim.fromValue = CGPoint(x: 0, y: 0.5)
         endPointAnim.toValue = CGPoint(x:2, y: 0.5)
-
+        
         let animGroup = CAAnimationGroup()
         animGroup.animations = [startPointAnim, endPointAnim]
         animGroup.duration = 1.5
         animGroup.timingFunction = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeIn)
         animGroup.repeatCount = .infinity
         animGroup.isRemovedOnCompletion = false
-
+        
         return animGroup
     }
-
+    
     func playAnimation(_ anim: SkeletonLayerAnimation, key: String, completion: (() -> Void)? = nil) {
         skeletonSublayers.recursiveSearch(leafBlock: {
             DispatchQueue.main.async { CATransaction.begin() }
@@ -130,7 +153,7 @@ public extension CALayer {
             $0.playAnimation(anim, key: key, completion: completion)
         }
     }
-
+    
     func stopAnimation(forKey key: String) {
         skeletonSublayers.recursiveSearch(leafBlock: {
             removeAnimation(forKey: key)
@@ -141,15 +164,15 @@ public extension CALayer {
 }
 
 extension CALayer {
-	func setOpacity(from: Int, to: Int, duration: TimeInterval, completion: (() -> Void)?) {
+    func setOpacity(from: Int, to: Int, duration: TimeInterval, completion: (() -> Void)?) {
         DispatchQueue.main.async { CATransaction.begin() }
-		let animation = CABasicAnimation(keyPath: #keyPath(CALayer.opacity))
-		animation.fromValue = from
-		animation.toValue = to
-		animation.duration = duration
-		animation.timingFunction = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeInEaseOut)
+        let animation = CABasicAnimation(keyPath: #keyPath(CALayer.opacity))
+        animation.fromValue = from
+        animation.toValue = to
+        animation.duration = duration
+        animation.timingFunction = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeInEaseOut)
         DispatchQueue.main.async { CATransaction.setCompletionBlock(completion) }
-		add(animation, forKey: "setOpacityAnimation")
+        add(animation, forKey: "setOpacityAnimation")
         DispatchQueue.main.async { CATransaction.commit() }
-	}
+    }
 }

Sources/Extensions/ProcessInfo+XCTest.swift

@@ -0,0 +1,13 @@
+// Copyright © 2020 SkeletonView. All rights reserved.
+
+import Foundation
+
+extension ProcessInfo {
+    enum Constants {
+        static let testConfigurationFilePathKey = "XCTestConfigurationFilePath"
+    }
+    
+    static var isRunningXCTest: Bool {
+        return processInfo.environment[Constants.testConfigurationFilePathKey] != nil
+    }
+}

Sources/Extensions/UITableView+VisibleSections.swift

@@ -0,0 +1,40 @@
+// Copyright © 2020 SkeletonView. All rights reserved.
+
+import UIKit
+
+extension UITableView {
+    var indexesOfVisibleSections: [Int] {
+        (0..<numberOfSections).reduce([]) {
+            let headerRect: CGRect?
+            
+            if self.style == .plain {
+                headerRect = rect(forSection: $1)
+            } else {
+                headerRect = rectForHeader(inSection: $1)
+            }
+            
+            if headerRect != nil {
+                let visiblePartOfTableView: CGRect = CGRect(
+                    x: contentOffset.x,
+                    y: contentOffset.y,
+                    width: bounds.size.width,
+                    height: bounds.size.height
+                )
+                
+                if (visiblePartOfTableView.intersects(headerRect!)) {
+                    return $0 + [$1]
+                }
+            }
+            
+            return $0
+        }
+    }
+
+    var visibleSectionHeaders: [UITableViewHeaderFooterView] {
+        indexesOfVisibleSections.compactMap { headerView(forSection: $0) }
+    }
+    
+    var visibleSectionFooters: [UITableViewHeaderFooterView] {
+        indexesOfVisibleSections.compactMap { footerView(forSection: $0) }
+    }
+}

Sources/Extensions/UIView+Extension.swift

@@ -13,6 +13,7 @@ enum ViewAssociatedKeys {
     static var labelViewState = "labelViewState"
     static var imageViewState = "imageViewState"
     static var currentSkeletonConfig = "currentSkeletonConfig"
+    static var skeletonCornerRadius = "skeletonCornerRadius"
 }
 // codebeat:enable[TOO_MANY_IVARS]
 

Sources/Extensions/UIView+Frame.swift

@@ -14,8 +14,6 @@ extension UIView {
         if let parentStackView = (superview as? UIStackView) {
             var origin: CGPoint = .zero
             switch parentStackView.alignment {
-            case .center:
-                origin.x = maxWidthEstimated / 2
             case .trailing:
                 origin.x = maxWidthEstimated
             default:

Sources/Extensions/UIView+IBInspectable.swift

@@ -8,6 +8,12 @@ public extension UIView {
         get { return skeletonable }
         set { skeletonable = newValue }
     }
+
+    @IBInspectable
+    var skeletonCornerRadius: Float {
+        get { return skeletonableCornerRadius }
+        set { skeletonableCornerRadius = newValue }
+    }
     
     var isSkeletonActive: Bool {
         return status == .on || (subviewsSkeletonables.first(where: { $0.isSkeletonActive }) != nil)
@@ -17,5 +23,10 @@ public extension UIView {
         get { return ao_get(pkey: &ViewAssociatedKeys.skeletonable) as? Bool ?? false }
         set { ao_set(newValue ?? false, pkey: &ViewAssociatedKeys.skeletonable) }
     }
+
+    private var skeletonableCornerRadius: Float! {
+        get { return ao_get(pkey: &ViewAssociatedKeys.skeletonCornerRadius) as? Float ?? 0.0 }
+        set { ao_set(newValue ?? 0.0, pkey: &ViewAssociatedKeys.skeletonCornerRadius) }
+    }
 }
 

Sources/Multilines/ContainsMultilineText.swift

@@ -10,6 +10,7 @@ enum MultilineAssociatedKeys {
 }
 
 protocol ContainsMultilineText {
+	var multilineTextFont: UIFont? { get }
     var numLines: Int { get }
     var lastLineFillingPercent: Int { get }
     var multilineCornerRadius: Int { get }

Sources/Multilines/UILabel+Multiline.swift

@@ -26,6 +26,10 @@ public extension UILabel {
 }
 
 extension UILabel: ContainsMultilineText {
+	var multilineTextFont: UIFont? {
+		return font
+	}
+	
     var numLines: Int {
         return numberOfLines
     }

Sources/Multilines/UITextView+Multiline.swift

@@ -29,6 +29,10 @@ public extension UITextView {
 }
 
 extension UITextView: ContainsMultilineText {
+	var multilineTextFont: UIFont? {
+		return font
+	}
+	
     var lastLineFillingPercent: Int {
         get {
             let defaultValue = SkeletonAppearance.default.multilineLastLineFillPercent

Sources/SkeletonConfig.swift

@@ -28,7 +28,7 @@ struct SkeletonConfig {
         gradientDirection: GradientDirection? = nil,
         animated: Bool = false,
         animation: SkeletonLayerAnimation? = nil,
-        transition: SkeletonTransitionStyle = .none
+        transition: SkeletonTransitionStyle = .crossDissolve(0.25)
         ) {
         self.type = type
         self.colors = colors

Sources/SkeletonFlow.swift

@@ -15,17 +15,21 @@ protocol SkeletonFlowDelegate {
 
 class SkeletonFlowHandler: SkeletonFlowDelegate {
     func willBeginShowingSkeletons(rootView: UIView) {
+        NotificationCenter.default.post(name: .willBeginShowingSkeletons, object: rootView, userInfo: nil)
         rootView.addAppNotificationsObservers()
     }
 
     func didShowSkeletons(rootView: UIView) {
         printSkeletonHierarchy(in: rootView)
+        NotificationCenter.default.post(name: .didShowSkeletons, object: rootView, userInfo: nil)
     }
-    
+
     func willBeginUpdatingSkeletons(rootView: UIView) {
+        NotificationCenter.default.post(name: .willBeginUpdatingSkeletons, object: rootView, userInfo: nil)
     }
 
     func didUpdateSkeletons(rootView: UIView) {
+        NotificationCenter.default.post(name: .didUpdateSkeletons, object: rootView, userInfo: nil)
     }
 
     func willBeginLayingSkeletonsIfNeeded(rootView: UIView) {
@@ -35,10 +39,21 @@ class SkeletonFlowHandler: SkeletonFlowDelegate {
     }
 
     func willBeginHidingSkeletons(rootView: UIView) {
+        NotificationCenter.default.post(name: .willBeginHidingSkeletons, object: rootView, userInfo: nil)
         rootView.removeAppNoticationsObserver()
     }
 
     func didHideSkeletons(rootView: UIView) {
         rootView.flowDelegate = nil
+        NotificationCenter.default.post(name: .didHideSkeletons, object: rootView, userInfo: nil)
     }
 }
+
+public extension Notification.Name {
+    static let willBeginShowingSkeletons = Notification.Name("willBeginShowingSkeletons")
+    static let didShowSkeletons = Notification.Name("didShowSkeletons")
+    static let willBeginUpdatingSkeletons = Notification.Name("willBeginUpdatingSkeletons")
+    static let didUpdateSkeletons = Notification.Name("didUpdateSkeletons")
+    static let willBeginHidingSkeletons = Notification.Name("willBeginHidingSkeletons")
+    static let didHideSkeletons = Notification.Name("didHideSkeletons")
+}

Sources/SkeletonLayer.swift

@@ -13,7 +13,7 @@ public typealias SkeletonLayerAnimation = (CALayer) -> CAAnimation
 public enum SkeletonType {
     case solid
     case gradient
-
+    
     var layer: CALayer {
         switch self {
         case .solid:
@@ -22,7 +22,7 @@ public enum SkeletonType {
             return CAGradientLayer()
         }
     }
-
+    
     var layerAnimation: SkeletonLayerAnimation {
         switch self {
         case .solid:
@@ -36,24 +36,25 @@ public enum SkeletonType {
 struct SkeletonLayer {
     private var maskLayer: CALayer
     private weak var holder: UIView?
-
+    
     var type: SkeletonType {
         return maskLayer is CAGradientLayer ? .gradient : .solid
     }
-
+    
     var contentLayer: CALayer {
         return maskLayer
     }
-
+    
     init(type: SkeletonType, colors: [UIColor], skeletonHolder holder: UIView) {
         self.holder = holder
         self.maskLayer = type.layer
         self.maskLayer.anchorPoint = .zero
         self.maskLayer.bounds = holder.maxBoundsEstimated
-        addMultilinesIfNeeded()
+        self.maskLayer.cornerRadius = CGFloat(holder.skeletonCornerRadius)
+        addTextLinesIfNeeded()
         self.maskLayer.tint(withColors: colors)
     }
-
+    
     func update(usingColors colors: [UIColor]) {
         layoutIfNeeded()
         maskLayer.tint(withColors: colors)
@@ -63,38 +64,56 @@ struct SkeletonLayer {
         if let bounds = holder?.maxBoundsEstimated {
             maskLayer.bounds = bounds
         }
-        updateMultilinesIfNeeded()
+        updateLinesIfNeeded()
     }
-
+    
     func removeLayer(transition: SkeletonTransitionStyle, completion: (() -> Void)? = nil) {
         switch transition {
         case .none:
             maskLayer.removeFromSuperlayer()
             completion?()
         case .crossDissolve(let duration):
-			maskLayer.setOpacity(from: 1, to: 0, duration: duration) {
-				self.maskLayer.removeFromSuperlayer()
-				completion?()
-			}
+            maskLayer.setOpacity(from: 1, to: 0, duration: duration) {
+                self.maskLayer.removeFromSuperlayer()
+                completion?()
+            }
         }
     }
 
-    /// Returns a multiLineViewHolder only if the current holder implements the `ContainsMultilineText` protocol,
-    /// and actually displays multiple lines of text.
-    private var multiLineViewHolder: ContainsMultilineText? {
-        guard let multiLineView = holder as? ContainsMultilineText,
-            multiLineView.numLines != 1 else { return nil }
-        return multiLineView
-    }
+    /// If there is more than one line, or custom preferences have been set for a single line, draw custom layers
+    func addTextLinesIfNeeded() {
+        guard let textView = holderAsTextView else { return }
+        
+        let config = SkeletonMultilinesLayerConfig(lines: textView.numLines,
+                                                   lineHeight: textView.multilineTextFont?.lineHeight,
+                                                   type: type,
+                                                   lastLineFillPercent: textView.lastLineFillingPercent,
+                                                   multilineCornerRadius: textView.multilineCornerRadius,
+                                                   multilineSpacing: textView.multilineSpacing,
+                                                   paddingInsets: textView.paddingInsets)
 
-    func addMultilinesIfNeeded() {
-        guard let multiLineView = multiLineViewHolder else { return }
-        maskLayer.addMultilinesLayers(lines: multiLineView.numLines, type: type, lastLineFillPercent: multiLineView.lastLineFillingPercent, multilineCornerRadius: multiLineView.multilineCornerRadius, multilineSpacing: multiLineView.multilineSpacing, paddingInsets: multiLineView.paddingInsets)
+        maskLayer.addMultilinesLayers(for: config)
     }
-
-    func updateMultilinesIfNeeded() {
-        guard let multiLineView = multiLineViewHolder else { return }
-        maskLayer.updateMultilinesLayers(lastLineFillPercent: multiLineView.lastLineFillingPercent, multilineSpacing: multiLineView.multilineSpacing, paddingInsets: multiLineView.paddingInsets)
+    
+    func updateLinesIfNeeded() {
+        guard let textView = holderAsTextView else { return }
+        let config = SkeletonMultilinesLayerConfig(lines: textView.numLines,
+                                                   lineHeight: textView.multilineTextFont?.lineHeight,
+                                                   type: type,
+                                                   lastLineFillPercent: textView.lastLineFillingPercent,
+                                                   multilineCornerRadius: textView.multilineCornerRadius,
+                                                   multilineSpacing: textView.multilineSpacing,
+                                                   paddingInsets: textView.paddingInsets)
+        
+        maskLayer.updateMultilinesLayers(for: config)
+    }
+    
+    var holderAsTextView: ContainsMultilineText? {
+        guard let textView = holder as? ContainsMultilineText,
+            (textView.numLines == 0 || textView.numLines > 1 || textView.numLines == 1 && !SkeletonAppearance.default.renderSingleLineAsView) else {
+                return nil
+        }
+        return textView
     }
 }
 

Sources/SkeletonView.swift

@@ -7,8 +7,8 @@ public extension UIView {
     ///
     /// - Parameters:
     ///   - color: The color of the skeleton. Defaults to `SkeletonAppearance.default.tintColor`.
-    ///   - transition: The style of the transition when the skeleton appears. Defaults to `.none`.
-    func showSkeleton(usingColor color: UIColor = SkeletonAppearance.default.tintColor, transition: SkeletonTransitionStyle = .none) {
+    ///   - transition: The style of the transition when the skeleton appears. Defaults to `.crossDissolve(0.25)`.
+    func showSkeleton(usingColor color: UIColor = SkeletonAppearance.default.tintColor, transition: SkeletonTransitionStyle = .crossDissolve(0.25)) {
         let config = SkeletonConfig(type: .solid, colors: [color], transition: transition)
         showSkeleton(skeletonConfig: config)
     }
@@ -17,8 +17,8 @@ public extension UIView {
     ///
     /// - Parameters:
     ///   - gradient: The gradient of the skeleton. Defaults to `SkeletonAppearance.default.gradient`.
-    ///   - transition: The style of the transition when the skeleton appears. Defaults to `.none`.
-    func showGradientSkeleton(usingGradient gradient: SkeletonGradient = SkeletonAppearance.default.gradient, transition: SkeletonTransitionStyle = .none) {
+    ///   - transition: The style of the transition when the skeleton appears. Defaults to `.crossDissolve(0.25)`.
+    func showGradientSkeleton(usingGradient gradient: SkeletonGradient = SkeletonAppearance.default.gradient, transition: SkeletonTransitionStyle = .crossDissolve(0.25)) {
         let config = SkeletonConfig(type: .gradient, colors: gradient.colors, transition: transition)
         showSkeleton(skeletonConfig: config)
     }
@@ -30,8 +30,8 @@ public extension UIView {
     /// - Parameters:
     ///   - color: The color of skeleton. Defaults to `SkeletonAppearance.default.tintColor`.
     ///   - animation: The animation of the skeleton. Defaults to `nil`.
-    ///   - transition: The style of the transition when the skeleton appears. Defaults to `.none`.
-    func showAnimatedSkeleton(usingColor color: UIColor = SkeletonAppearance.default.tintColor, animation: SkeletonLayerAnimation? = nil, transition: SkeletonTransitionStyle = .none) {
+    ///   - transition: The style of the transition when the skeleton appears. Defaults to `.crossDissolve(0.25)`.
+    func showAnimatedSkeleton(usingColor color: UIColor = SkeletonAppearance.default.tintColor, animation: SkeletonLayerAnimation? = nil, transition: SkeletonTransitionStyle = .crossDissolve(0.25)) {
         let config = SkeletonConfig(type: .solid, colors: [color], animated: true, animation: animation, transition: transition)
         showSkeleton(skeletonConfig: config)
     }
@@ -43,8 +43,8 @@ public extension UIView {
     /// - Parameters:
     ///   - gradient: The gradient of the skeleton. Defaults to `SkeletonAppearance.default.gradient`.
     ///   - animation: The animation of the skeleton. Defaults to `nil`.
-    ///   - transition: The style of the transition when the skeleton appears. Defaults to `.none`.
-    func showAnimatedGradientSkeleton(usingGradient gradient: SkeletonGradient = SkeletonAppearance.default.gradient, animation: SkeletonLayerAnimation? = nil, transition: SkeletonTransitionStyle = .none) {
+    ///   - transition: The style of the transition when the skeleton appears. Defaults to `.crossDissolve(0.25)`.
+    func showAnimatedGradientSkeleton(usingGradient gradient: SkeletonGradient = SkeletonAppearance.default.gradient, animation: SkeletonLayerAnimation? = nil, transition: SkeletonTransitionStyle = .crossDissolve(0.25)) {
         let config = SkeletonConfig(type: .gradient, colors: gradient.colors, animated: true, animation: animation, transition: transition)
         showSkeleton(skeletonConfig: config)
     }
@@ -74,7 +74,7 @@ public extension UIView {
         recursiveLayoutSkeletonIfNeeded(root: self)
     }
     
-    func hideSkeleton(reloadDataAfter reload: Bool = true, transition: SkeletonTransitionStyle = .none) {
+    func hideSkeleton(reloadDataAfter reload: Bool = true, transition: SkeletonTransitionStyle = .crossDissolve(0.25)) {
         flowDelegate?.willBeginHidingSkeletons(rootView: self)
         recursiveHideSkeleton(reloadDataAfter: reload, transition: transition, root: self)
     }
@@ -94,12 +94,14 @@ public extension UIView {
 
 extension UIView {
     @objc func skeletonLayoutSubviews() {
+        skeletonLayoutSubviews()
         guard isSkeletonActive else { return }
         layoutSkeletonIfNeeded()
     }
 
     @objc func skeletonTraitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
-        guard isSkeletonActive, let config = currentSkeletonConfig else { return }
+        skeletonTraitCollectionDidChange(previousTraitCollection)
+        guard isSkeletonable, isSkeletonActive, let config = currentSkeletonConfig else { return }
         updateSkeleton(skeletonConfig: config)
     }
     
@@ -111,7 +113,7 @@ extension UIView {
     }
 
     private func recursiveShowSkeleton(skeletonConfig config: SkeletonConfig, root: UIView? = nil) {
-        guard !isSkeletonActive && isSkeletonable else { return }
+        guard isSkeletonable && !isSkeletonActive else { return }
         currentSkeletonConfig = config
         swizzleLayoutSubviews()
         swizzleTraitCollectionDidChange()

Sources/SubviewsSkeletonables.swift

@@ -14,7 +14,7 @@ extension UIView {
 
 extension UITableView {
     override var subviewsToSkeleton: [UIView] {
-        return visibleCells
+        return visibleCells + visibleSectionHeaders + visibleSectionFooters
     }
 }