fix: readme

feat: Migrate to Swift 5

.github/FUNDING.yml

@@ -0,0 +1,9 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: skeletonview
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+custom: # Replace with a single custom sponsorship URL

.swift-version

@@ -1 +1 @@
-4.2
+5.0

.travis.yml

@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode10
+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'

Gemfile

@@ -1,3 +1,4 @@
 source "https://rubygems.org"
 
 gem "fastlane"
+gem 'cocoapods', '~> 1.7.0.beta.2'

Gemfile.lock

@@ -2,40 +2,80 @@ GEM
   remote: https://rubygems.org/
   specs:
     CFPropertyList (3.0.0)
-    addressable (2.5.2)
+    activesupport (4.2.11.1)
+      i18n (~> 0.7)
+      minitest (~> 5.1)
+      thread_safe (~> 0.3, >= 0.3.4)
+      tzinfo (~> 1.1)
+    addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
     atomos (0.1.3)
     babosa (1.0.2)
     claide (1.0.2)
+    cocoapods (1.7.0.beta.3)
+      activesupport (>= 4.0.2, < 5)
+      claide (>= 1.0.2, < 2.0)
+      cocoapods-core (= 1.7.0.beta.3)
+      cocoapods-deintegrate (>= 1.0.3, < 2.0)
+      cocoapods-downloader (>= 1.2.2, < 2.0)
+      cocoapods-plugins (>= 1.0.0, < 2.0)
+      cocoapods-search (>= 1.0.0, < 2.0)
+      cocoapods-stats (>= 1.0.0, < 2.0)
+      cocoapods-trunk (>= 1.3.1, < 2.0)
+      cocoapods-try (>= 1.1.0, < 2.0)
+      colored2 (~> 3.1)
+      escape (~> 0.0.4)
+      fourflusher (>= 2.2.0, < 3.0)
+      gh_inspector (~> 1.0)
+      molinillo (~> 0.6.6)
+      nap (~> 1.0)
+      ruby-macho (~> 1.4)
+      xcodeproj (>= 1.8.2, < 2.0)
+    cocoapods-core (1.7.0.beta.3)
+      activesupport (>= 4.0.2, < 6)
+      fuzzy_match (~> 2.0.4)
+      nap (~> 1.0)
+    cocoapods-deintegrate (1.0.4)
+    cocoapods-downloader (1.2.2)
+    cocoapods-plugins (1.0.0)
+      nap
+    cocoapods-search (1.0.0)
+    cocoapods-stats (1.1.0)
+    cocoapods-trunk (1.3.1)
+      nap (>= 0.8, < 2.0)
+      netrc (~> 0.11)
+    cocoapods-try (1.1.0)
     colored (1.2)
     colored2 (3.1.2)
     commander-fastlane (4.4.6)
       highline (~> 1.7.2)
+    concurrent-ruby (1.1.5)
     declarative (0.0.10)
     declarative-option (0.1.0)
     digest-crc (0.4.1)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
-    dotenv (2.5.0)
-    emoji_regex (0.1.1)
-    excon (0.62.0)
+    dotenv (2.7.2)
+    emoji_regex (1.0.1)
+    escape (0.0.4)
+    excon (0.64.0)
     faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
     faraday-cookie_jar (0.0.6)
       faraday (>= 0.7.4)
       http-cookie (~> 1.0.0)
-    faraday_middleware (0.12.2)
+    faraday_middleware (0.13.1)
       faraday (>= 0.7.4, < 1.0)
     fastimage (2.1.5)
-    fastlane (2.110.0)
+    fastlane (2.121.0)
       CFPropertyList (>= 2.3, < 4.0.0)
       addressable (>= 2.3, < 3.0.0)
       babosa (>= 1.0.2, < 2.0.0)
-      bundler (>= 1.12.0, < 2.0.0)
+      bundler (>= 1.12.0, < 3.0.0)
       colored
       commander-fastlane (>= 4.4.6, < 5.0.0)
       dotenv (>= 2.1.1, < 3.0.0)
-      emoji_regex (~> 0.1)
+      emoji_regex (>= 0.1, < 2.0)
       excon (>= 0.45.0, < 1.0.0)
       faraday (~> 0.9)
       faraday-cookie_jar (~> 0.0.6)
@@ -56,14 +96,16 @@ GEM
       security (= 0.1.3)
       simctl (~> 1.6.3)
       slack-notifier (>= 2.0.0, < 3.0.0)
-      terminal-notifier (>= 1.6.2, < 2.0.0)
+      terminal-notifier (>= 2.0.0, < 3.0.0)
       terminal-table (>= 1.4.5, < 2.0.0)
       tty-screen (>= 0.6.3, < 1.0.0)
       tty-spinner (>= 0.8.0, < 1.0.0)
       word_wrap (~> 1.0.0)
-      xcodeproj (>= 1.6.0, < 2.0.0)
+      xcodeproj (>= 1.8.1, < 2.0.0)
       xcpretty (~> 0.3.0)
       xcpretty-travis-formatter (>= 0.0.3)
+    fourflusher (2.2.0)
+    fuzzy_match (2.0.4)
     gh_inspector (1.1.3)
     google-api-client (0.23.9)
       addressable (~> 2.5, >= 2.5.1)
@@ -73,15 +115,15 @@ GEM
       representable (~> 3.0)
       retriable (>= 2.0, < 4.0)
       signet (~> 0.9)
-    google-cloud-core (1.2.7)
+    google-cloud-core (1.3.0)
       google-cloud-env (~> 1.0)
     google-cloud-env (1.0.5)
       faraday (~> 0.11)
-    google-cloud-storage (1.15.0)
+    google-cloud-storage (1.16.0)
       digest-crc (~> 0.4)
       google-api-client (~> 0.23)
       google-cloud-core (~> 1.2)
-      googleauth (~> 0.6.2)
+      googleauth (>= 0.6.2, < 0.10.0)
     googleauth (0.6.7)
       faraday (~> 0.12)
       jwt (>= 1.4, < 3.0)
@@ -93,20 +135,26 @@ GEM
     http-cookie (1.0.3)
       domain_name (~> 0.5)
     httpclient (2.8.3)
-    json (2.1.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    json (2.2.0)
     jwt (2.1.0)
     memoist (0.16.0)
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2018.0812)
+    mime-types-data (3.2019.0331)
     mini_magick (4.5.1)
+    minitest (5.11.3)
+    molinillo (0.6.6)
     multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     nanaimo (0.2.6)
+    nap (1.1.0)
     naturally (2.2.0)
+    netrc (0.11.0)
     os (1.0.0)
-    plist (3.4.0)
+    plist (3.5.0)
     public_suffix (2.0.5)
     representable (3.0.4)
       declarative (< 0.1.0)
@@ -114,6 +162,7 @@ GEM
       uber (< 0.2.0)
     retriable (3.1.2)
     rouge (2.0.7)
+    ruby-macho (1.4.0)
     rubyzip (1.2.2)
     security (0.1.3)
     signet (0.11.0)
@@ -125,20 +174,23 @@ GEM
       CFPropertyList
       naturally
     slack-notifier (2.3.2)
-    terminal-notifier (1.8.0)
+    terminal-notifier (2.0.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
-    tty-cursor (0.6.0)
+    thread_safe (0.3.6)
+    tty-cursor (0.6.1)
     tty-screen (0.6.5)
     tty-spinner (0.9.0)
       tty-cursor (~> 0.6.0)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
     uber (0.1.0)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.5)
-    unicode-display_width (1.4.0)
+    unf_ext (0.0.7.6)
+    unicode-display_width (1.5.0)
     word_wrap (1.0.0)
-    xcodeproj (1.7.0)
+    xcodeproj (1.8.2)
       CFPropertyList (>= 2.3.3, < 4.0)
       atomos (~> 0.1.3)
       claide (>= 1.0.2, < 2.0)
@@ -153,7 +205,8 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  cocoapods (~> 1.7.0.beta.2)
   fastlane
 
 BUNDLED WITH
-   1.16.2
+   1.16.6

Package.swift

@@ -0,0 +1,23 @@
+// swift-tools-version:5.0
+
+import PackageDescription
+
+let package = Package(
+    name: "SkeletonView",
+	platforms: [
+		.iOS(.v9),
+		.tvOS(.v9)
+	],
+    products: [
+        .library(
+            name: "SkeletonView",
+            targets: ["SkeletonView"])
+	],
+	targets: [
+		.target(
+			name: "SkeletonView",
+			dependencies: [],
+			path: "Sources")
+	],
+	swiftLanguageVersions: [.v5]
+)

README.md

@@ -8,19 +8,19 @@
     <a href="https://github.com/Juanpe/SkeletonView">
         <img src="https://img.shields.io/cocoapods/p/SkeletonView.svg" alt="Platforms">
     </a>
-    <img src="https://img.shields.io/badge/Swift-4.2-orange.svg" />
+    <img src="https://img.shields.io/badge/Swift-5-orange.svg" />
     <a href="https://cocoapods.org/pods/SkeletonView">
         <img src="https://img.shields.io/cocoapods/v/SkeletonView.svg" alt="CocoaPods" />
     </a>
-    <a href="https://cocoapods.org/pods/SkeletonView">
-        <img src="https://img.shields.io/cocoapods/dt/SkeletonView.svg?style=flat" alt="CocoaPods downloads" />
+    <a href="https://github.com/Carthage/Carthage">
+        <img src="https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat" alt="Carthage" />
+    </a>
+    <a href="https://github.com/apple/swift-package-manager">
+        <img src="https://img.shields.io/badge/SPM-compatible-brightgreen.svg" alt="SPM" />
     </a>
     <a href="https://twitter.com/JuanpeCatalan">
         <img src="https://img.shields.io/badge/contact-@JuanpeCatalan-blue.svg?style=flat" alt="Twitter: @JuanpeCatalan" />
     </a>
-    <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=MJ4Y2D9DEX6FL&lc=ES&item_name=SkeletonView&currency_code=EUR&bn=PP%2dDonationsBF%3abtn_donate_SM%2egif%3aNonHosted">
-        <img src="https://img.shields.io/badge/Donate-PayPal-green.svg" alt="Paypal" />
-    </a>
     <br/>
     <a href="https://twitter.com/intent/tweet?text=Wow%20This%20library%20is%20awesome:&url=https%3A%2F%2Fgithub.com%2FJuanpe%2FSkeletonView">
       <img src="https://img.shields.io/twitter/url/https/github.com/Juanpe/SkeletonView.svg?style=social" alt="License" />
@@ -42,6 +42,7 @@ Enjoy it! 🙂
 * [Installation](#-installation)
   * [Cocoapods](#using-cocoapods)
   * [Carthage](#using-carthage)
+  * [SPM](#using-swift-package-manager)
 * [How to use](#-how-to-use)
   * [Collections](#-collections)
   * [Multiline text](#-multiline-text)
@@ -91,6 +92,18 @@ Edit your `Cartfile` and specify the dependency:
 github "Juanpe/SkeletonView"
 ```
 
+#### Using [Swift Package Manager](https://github.com/apple/swift-package-manager)
+
+Once you have your Swift package set up, adding `SkeletonView` as a dependency is as easy as adding it to the `dependencies` value of your `Package.swift`.
+
+```swift
+  dependencies: [
+    .package(url: "https://github.com/Juanpe/SkeletonView.git", from: "1.6")
+  ]
+```
+
+
+
 ## 🐒 How to use
 
 Only **3** steps needed to use `SkeletonView`:
@@ -159,7 +172,7 @@ avatarImageView.isSkeletonable = true
 
  Now, ```SkeletonView``` is compatible with ```UITableView``` and ```UICollectionView```.
 
-###### UITableView
+#### UITableView
 
 If you want to show the skeleton in a ```UITableView```, you need to conform to ```SkeletonTableViewDataSource``` protocol.
 
@@ -200,7 +213,15 @@ There is only one method you need to implement to let Skeleton know the cell ide
 > **IMPORTANT!**
 > If you are using resizable cells (`tableView.rowHeight = UITableViewAutomaticDimension` ), it's mandatory define the `estimatedRowHeight`.
 
-###### UICollectionView
+👩🏼‍🏫  **How specify which elements are skeletonables?**
+
+Here is an illustration that shows how you should specify which elements are skeletonables when you are using an `UITableView`:
+
+![](Assets/tableview_scheme.png)
+
+As you can see, we have to make skeletonable the tableview, the cell and the UI elements, but we don't need to set as skeletonable the `contentView`
+
+####  UICollectionView
 
 For ```UICollectionView```, you need to conform to ```SkeletonCollectionViewDataSource``` protocol.
 

README_pt-br.md

@@ -1,19 +1,17 @@
 ![](Assets/header2.jpg)
 
 <p align="center">
-    <a href="https://travis-ci.org/Juanpe/SkeletonView">
-      <img src="https://img.shields.io/travis/Juanpe/SkeletonView.svg">
+    <a href="https://app.bitrise.io/app/6d289a17e22c8323">
+      <img src="https://app.bitrise.io/app/6d289a17e22c8323/status.svg?token=fI7gKC41XD9-aRXDScCKBw&branch=master">
     </a>
-    <a href="https://instagram.github.io/IGListKit/">
+    <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">
         <img src="https://img.shields.io/cocoapods/p/SkeletonView.svg" alt="Platforms">
     </a>
-    <img src="https://img.shields.io/badge/Swift-4.2-orange.svg" />
+    <img src="https://img.shields.io/badge/Swift-5-orange.svg" />
     <a href="https://cocoapods.org/pods/SkeletonView">
         <img src="https://img.shields.io/cocoapods/v/SkeletonView.svg" alt="CocoaPods" />
     </a>
-    <a href="https://github.com/Carthage/Carthage">
-        <img src="https://img.shields.io/badge/carthage-compatible-4BC51D.svg?style=flat" alt="Carthage" />
-    </a>
     <a href="https://cocoapods.org/pods/SkeletonView">
         <img src="https://img.shields.io/cocoapods/dt/SkeletonView.svg?style=flat" alt="CocoaPods downloads" />
     </a>
@@ -23,12 +21,10 @@
     <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=MJ4Y2D9DEX6FL&lc=ES&item_name=SkeletonView&currency_code=EUR&bn=PP%2dDonationsBF%3abtn_donate_SM%2egif%3aNonHosted">
         <img src="https://img.shields.io/badge/Donate-PayPal-green.svg" alt="Paypal" />
     </a>
+    <br/>
     <a href="https://twitter.com/intent/tweet?text=Wow%20This%20library%20is%20awesome:&url=https%3A%2F%2Fgithub.com%2FJuanpe%2FSkeletonView">
       <img src="https://img.shields.io/twitter/url/https/github.com/Juanpe/SkeletonView.svg?style=social" alt="License" />
     </a>
-    <a href="https://twitter.com/JuanpeCatalan">
-      <img src="https://img.shields.io/twitter/follow/JuanpeCatalan.svg?style=social&label=Follow" alt="Twitter" />
-    </a>
 </p>
 
 🌎  Traduções: </br>

README_zh.md

@@ -1,19 +1,17 @@
 ![](Assets/header2.jpg)
 
 <p align="center">
-    <a href="https://travis-ci.org/Juanpe/SkeletonView">
-      <img src="https://img.shields.io/travis/Juanpe/SkeletonView.svg">
+    <a href="https://app.bitrise.io/app/6d289a17e22c8323">
+      <img src="https://app.bitrise.io/app/6d289a17e22c8323/status.svg?token=fI7gKC41XD9-aRXDScCKBw&branch=master">
     </a>
-    <a href="https://instagram.github.io/IGListKit/">
+    <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">
         <img src="https://img.shields.io/cocoapods/p/SkeletonView.svg" alt="Platforms">
     </a>
-    <img src="https://img.shields.io/badge/Swift-4.2-orange.svg" />
+    <img src="https://img.shields.io/badge/Swift-5-orange.svg" />
     <a href="https://cocoapods.org/pods/SkeletonView">
         <img src="https://img.shields.io/cocoapods/v/SkeletonView.svg" alt="CocoaPods" />
     </a>
-    <a href="https://github.com/Carthage/Carthage">
-        <img src="https://img.shields.io/badge/carthage-compatible-4BC51D.svg?style=flat" alt="Carthage" />
-    </a>
     <a href="https://cocoapods.org/pods/SkeletonView">
         <img src="https://img.shields.io/cocoapods/dt/SkeletonView.svg?style=flat" alt="CocoaPods downloads" />
     </a>
@@ -23,14 +21,13 @@
     <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=MJ4Y2D9DEX6FL&lc=ES&item_name=SkeletonView&currency_code=EUR&bn=PP%2dDonationsBF%3abtn_donate_SM%2egif%3aNonHosted">
         <img src="https://img.shields.io/badge/Donate-PayPal-green.svg" alt="Paypal" />
     </a>
+    <br/>
     <a href="https://twitter.com/intent/tweet?text=Wow%20This%20library%20is%20awesome:&url=https%3A%2F%2Fgithub.com%2FJuanpe%2FSkeletonView">
       <img src="https://img.shields.io/twitter/url/https/github.com/Juanpe/SkeletonView.svg?style=social" alt="License" />
     </a>
-    <a href="https://twitter.com/JuanpeCatalan">
-      <img src="https://img.shields.io/twitter/follow/JuanpeCatalan.svg?style=social&label=Follow" alt="Twitter" />
-    </a>
 </p>
 
+
 🌎  翻译: [ [原版的](https://github.com/Juanpe/SkeletonView) ] </br>
 [🇧🇷](https://github.com/Juanpe/SkeletonView/blob/master/README_pt-br.md) [@brunomunizaf](https://twitter.com/brunomuniz_af)
 

SkeletonView.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "SkeletonView"
-  s.version      = "1.4.2"
+  s.version      = "1.6"
   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.
@@ -12,7 +12,7 @@ Pod::Spec.new do |s|
   s.social_media_url   = "https://twitter.com/JuanpeCatalan"
   s.ios.deployment_target = "9.0"
   s.tvos.deployment_target = "9.0"
-  s.swift_version = "4.2"
+  s.swift_version = "5.0"
   s.source       = { :git => "https://github.com/Juanpe/SkeletonView.git", :tag => s.version.to_s }
   s.source_files  = "Sources/**/*"
 end

SkeletonView.xcodeproj/project.pbxproj

@@ -563,7 +563,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0910;
-				LastUpgradeCheck = 1000;
+				LastUpgradeCheck = 1020;
 				ORGANIZATIONNAME = SkeletonView;
 				TargetAttributes = {
 					17DD0DFF207FB27400C56334 = {
@@ -587,7 +587,7 @@
 			};
 			buildConfigurationList = 52D6D9761BEFF229002C0205 /* Build configuration list for PBXProject "SkeletonView" */;
 			compatibilityVersion = "Xcode 6.3";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
@@ -811,7 +811,7 @@
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
@@ -843,7 +843,7 @@
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
@@ -871,7 +871,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -897,7 +897,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.juanpecatalan.SkeletonViewExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;
@@ -906,6 +906,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
@@ -954,7 +955,7 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -965,6 +966,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
@@ -1005,7 +1007,7 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -1034,7 +1036,7 @@
 				PRODUCT_NAME = SkeletonView;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -1058,7 +1060,7 @@
 				PRODUCT_NAME = SkeletonView;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -1082,7 +1084,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.juanpecatalan.SkeletonViewExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -1107,7 +1109,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.juanpecatalan.SkeletonViewExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;

SkeletonView.xcodeproj/xcshareddata/xcschemes/SkeletonView-iOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -29,6 +29,15 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "52D6D97B1BEFF229002C0205"
+            BuildableName = "SkeletonView.framework"
+            BlueprintName = "SkeletonView-iOS"
+            ReferencedContainer = "container:SkeletonView.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <AdditionalOptions>
       </AdditionalOptions>
    </TestAction>

SkeletonView.xcodeproj/xcshareddata/xcschemes/SkeletonView-tvOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

SkeletonView.xcodeproj/xcshareddata/xcschemes/SkeletonViewExample.xcscheme

@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1020"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "F5F899F11FABA607002E8FDA"
+               BuildableName = "SkeletonViewExample.app"
+               BlueprintName = "SkeletonViewExample"
+               ReferencedContainer = "container:SkeletonView.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "F5F899F11FABA607002E8FDA"
+            BuildableName = "SkeletonViewExample.app"
+            BlueprintName = "SkeletonViewExample"
+            ReferencedContainer = "container:SkeletonView.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "F5F899F11FABA607002E8FDA"
+            BuildableName = "SkeletonViewExample.app"
+            BlueprintName = "SkeletonViewExample"
+            ReferencedContainer = "container:SkeletonView.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "F5F899F11FABA607002E8FDA"
+            BuildableName = "SkeletonViewExample.app"
+            BlueprintName = "SkeletonViewExample"
+            ReferencedContainer = "container:SkeletonView.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

Sources/Extensions/UIView+Extension.swift

@@ -32,11 +32,11 @@ extension UIView {
 
     var status: Status! {
         get { return ao_get(pkey: &ViewAssociatedKeys.status) as? Status ?? .off }
-        set { ao_set(newValue, pkey: &ViewAssociatedKeys.status) }
+        set { ao_set(newValue ?? .off, pkey: &ViewAssociatedKeys.status) }
     }
 
     var skeletonIsAnimated: Bool! {
         get { return ao_get(pkey: &ViewAssociatedKeys.isSkeletonAnimated) as? Bool ?? false }
-        set { ao_set(newValue, pkey: &ViewAssociatedKeys.isSkeletonAnimated) }
+        set { ao_set(newValue ?? false, pkey: &ViewAssociatedKeys.isSkeletonAnimated) }
     }
 }

Sources/Extensions/UIView+IBInspectable.swift

@@ -16,7 +16,7 @@ public extension UIView {
 
     fileprivate var skeletonable: Bool! {
         get { return ao_get(pkey: &ViewAssociatedKeys.skeletonable) as? Bool ?? false }
-        set { ao_set(newValue, pkey: &ViewAssociatedKeys.skeletonable) }
+        set { ao_set(newValue ?? false, pkey: &ViewAssociatedKeys.skeletonable) }
     }
 }