Fixed background color warning in UITableViewHeaderFooterView (#417)

.github/workflows/CD.yml

@@ -0,0 +1,64 @@
+name: CD
+
+on:
+  pull_request:
+    branches: [main]
+    types: [closed]
+        
+jobs:
+  release_version:
+    if: github.event.pull_request.milestone == null && github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+          
+      - name: Setup fastlane
+        run: brew install fastlane
+            
+      - name: Publish release
+        id: publish_release
+        uses: release-drafter/release-drafter@v5
+        with: 
+          publish: true
+        env:
+           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Update podspec 
+        run: fastlane bump_version next_version:${{ steps.publish_release.outputs.tag_name }}
+
+      - name: Commit changes
+        uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          branch: 'main'
+          commit_message: 'Bump version ${{ steps.publish_release.outputs.tag_name }}'
+        env:
+         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}      
+
+      - name: Deploy to Cocoapods
+        env:
+          COCOAPODS_TRUNK_TOKEN: ${{ secrets.COCOAPODS_TRUNK_TOKEN }}
+        run: |
+          set -eo pipefail
+          pod lib lint --allow-warnings
+          pod trunk push --allow-warnings    
+
+      - name: Communicate on PR released
+        uses: unsplash/comment-on-pr@master
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          msg: |
+            Congratulations! 🎉 This was released as part of [SkeletonView ${{ steps.publish_release.outputs.tag_name }}](${{ steps.publish_release.outputs.html_url }}) 🚀  
+
+      - name: Tweet the release
+        uses: ethomson/send-tweet-action@v1
+        with:
+          consumer-key: ${{ secrets.TWITTER_CONSUMER_API_KEY }}
+          consumer-secret: ${{ secrets.TWITTER_CONSUMER_API_SECRET }}
+          access-token: ${{ secrets.TWITTER_ACCESS_TOKEN }}
+          access-token-secret: ${{ secrets.TWITTER_ACCESS_TOKEN_SECRET }}
+          status: |
+            🎉 New release ${{ steps.publish_release.outputs.tag_name }} is out 🚀
+
+            Check out all the changes here: 
+            ${{ steps.publish_release.outputs.html_url }} 

README.md

@@ -565,9 +565,12 @@ Then, when the skeleton appears, you can see the view hierarchy in the Xcode con
 * tvOS 9.0+
 * Swift 5
 
+## :sweat_smile: Need help
+If you need help about how to use **SkeletonView**, use [Stack Overflow](https://stackoverflow.com/questions/tagged/skeletonview) and tag `skeletonview`.
 
 ## ❤️ Contributing
 This is an open source project, so feel free to contribute. How?
+
 - Open an [issue](https://github.com/Juanpe/SkeletonView/issues/new).
 - Send feedback via [email](mailto://juanpecatalan.com).
 - Propose your own fixes, suggestions and open a pull request with the changes.

SkeletonView.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "SkeletonView"
-  s.version      = "1.18.0"
+  s.version      = "1.19.0"
   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.

Sources/Extensions/UIView+Extension.swift

@@ -14,6 +14,7 @@ enum ViewAssociatedKeys {
     static var labelViewState = "labelViewState"
     static var imageViewState = "imageViewState"
     static var buttonViewState = "buttonViewState"
+    static var headerFooterViewState = "headerFooterViewState"
     static var currentSkeletonConfig = "currentSkeletonConfig"
     static var skeletonCornerRadius = "skeletonCornerRadius"
     static var disabledWhenSkeletonIsActive = "disabledWhenSkeletonIsActive"

Sources/Helpers/PrepareForSkeletonProtocol.swift

@@ -121,3 +121,13 @@ extension UIButton {
         }
     }
 }
+
+extension UITableViewHeaderFooterView {
+    override func prepareViewForSkeleton() {
+        backgroundView?.backgroundColor = .clear
+        
+        if isUserInteractionDisabledWhenSkeletonIsActive {
+            isUserInteractionEnabled = false
+        }
+    }
+}

Sources/Recoverable/Recoverable.swift

@@ -161,3 +161,22 @@ extension UIButton {
         }
     }
 }
+
+extension UITableViewHeaderFooterView {
+    var headerFooterState: RecoverableTableViewHeaderFooterViewState? {
+        get { return ao_get(pkey: &ViewAssociatedKeys.headerFooterViewState) as? RecoverableTableViewHeaderFooterViewState }
+        set { ao_setOptional(newValue, pkey: &ViewAssociatedKeys.headerFooterViewState) }
+    }
+    
+    override func saveViewState() {
+        super.saveViewState()
+        headerFooterState = RecoverableTableViewHeaderFooterViewState(view: self)
+    }
+    
+    override func recoverViewState(forced: Bool) {
+        super.recoverViewState(forced: forced)
+        startTransition { [weak self] in
+            self?.backgroundView?.backgroundColor = self?.headerFooterState?.backgroundViewColor
+        }
+    }
+}

Sources/Recoverable/RecoverableViewState.swift

@@ -59,3 +59,11 @@ struct RecoverableButtonViewState {
         self.title = view.titleLabel?.text
     }
 }
+
+struct RecoverableTableViewHeaderFooterViewState {
+    var backgroundViewColor: UIColor?
+    
+    init(view: UITableViewHeaderFooterView) {
+        self.backgroundViewColor = view.backgroundView?.backgroundColor
+    }
+}