Merge pull request 'fix: update keyboard notification handling for Swift concurrency' (#7) from bugfix/snackbar_for_iOS26 into main

Reviewed-on: #7

Sources/LCEssentials/Message/LCSnackBarView.swift

@@ -233,54 +233,37 @@ public extension LCSnackBarView {
     
     /// Handles the `keyboardWillShowNotification` to adjust the snackbar's position.
     /// - Parameter notification: The `Notification` object containing keyboard information.
-    @objc private func keyboardWillShow(_ notification: Notification?) -> Void {
-        
-        if let info = notification?.userInfo {
+    @MainActor
+    @objc private func keyboardWillShow(_ notification: Notification?) {
+        guard let info = notification?.userInfo else { return }
 
         systemKeyboardVisible = true
-            //
-            let curveUserInfoKey    = UIResponder.keyboardAnimationCurveUserInfoKey
-            let durationUserInfoKey = UIResponder.keyboardAnimationDurationUserInfoKey
-            let frameEndUserInfoKey = UIResponder.keyboardFrameEndUserInfoKey
-            //
-            var animationCurve: UIView.AnimationOptions = .curveEaseOut
-            var animationDuration: TimeInterval = 0.25
-            var height:CGFloat = 0.0
 
-            //  Getting keyboard animation.
-            if let curve = info[curveUserInfoKey] as? UIView.AnimationOptions {
-                animationCurve = curve
-            }
+        let animationCurveRaw = (info[UIResponder.keyboardAnimationCurveUserInfoKey] as? NSNumber)?.uintValue
+            ?? UInt(UIView.AnimationCurve.easeOut.rawValue)
+        let animationDuration = (info[UIResponder.keyboardAnimationDurationUserInfoKey] as? NSNumber)?.doubleValue
+            ?? 0.25
+        let keyboardFrame = (info[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue)?.cgRectValue
+            ?? .zero
+        let height = keyboardFrame.height
+        let animationCurve = UIView.AnimationOptions(rawValue: animationCurveRaw << 16)
 
-            //  Getting keyboard animation duration
-            if let duration = info[durationUserInfoKey] as? TimeInterval {
-                animationDuration = duration
-            }
-            
-            //  Getting UIKeyboardSize.
-            if let kbFrame = info[frameEndUserInfoKey] as? CGRect {
-                height = kbFrame.size.height
-            }
-            
-            DispatchQueue.main.async { [weak self] in
-                UIView.animate(withDuration: animationDuration,
+        UIView.animate(
+            withDuration: animationDuration,
             delay: 0,
-                               options: animationCurve,
-                               animations: {
+            options: animationCurve
+        ) { [weak self] in
             self?.frame.origin.y += height
-                })
-            }
         }
     }
     
     /// Handles the `keyboardWillHideNotification`.
     /// - Parameter notification: The `Notification` object.
-    @objc private func keyboardWillHide(_ notification: Notification?) -> Void {
-        DispatchQueue.main.async { [weak self] in
-            self?.systemKeyboardVisible = false
+    @MainActor
+    @objc private func keyboardWillHide(_ notification: Notification?) {
+        systemKeyboardVisible = false
         // keyboard is hidded
     }
-    }
     
     /// Updates the snackbar's style properties, such as width and corner radius, based on `_style`.
     private func updateStyle() {