Added withOpacityCompact extension to ensure compatibility with Flutter versions below 3.27.

Author: diegotori

lib/src/material/color_compat_extensions.dart

@@ -0,0 +1,30 @@
+import 'package:flutter/material.dart';
+
+extension ColorCompatExtensions on Color {
+  /// Returns a new color that matches this color with the given opacity.
+  ///
+  /// This is a compatibility layer that ensures compatibility with Flutter
+  /// versions below 3.27. In Flutter 3.27 and later, `Color.withOpacity`
+  /// has been deprecated in favor of `Color.withValues`.
+  ///
+  /// This method bridges the gap by providing a consistent way to adjust
+  /// the opacity of a color across different Flutter versions.
+  ///
+  /// **Important:** Once the minimum supported Flutter version is bumped
+  /// to 3.27 or higher, this method should be removed and replaced with
+  /// `withValues(alpha: opacity)`.
+  ///
+  /// See also:
+  ///  * [Color.withOpacity], which is deprecated in Flutter 3.27 and later.
+  ///  * [Color.withValues], the recommended replacement for `withOpacity`.
+  Color withOpacityCompat(double opacity) {
+    // Compatibility layer that uses the legacy withOpacity method, while
+    // ignoring the deprecation for now (in order to guarantee N-1 minimum
+    // version compatibility).
+    // Once it's removed from a future update, we'll have to replace uses of
+    // this method with withValues(alpha: opacity).
+    // TODO: Replace this bridge method once the above holds true.
+    //ignore: deprecated_member_use
+    return withOpacity(opacity);
+  }
+}

lib/src/material/material_controls.dart

@@ -5,6 +5,7 @@ import 'package:chewie/src/center_seek_button.dart';
 import 'package:chewie/src/chewie_player.dart';
 import 'package:chewie/src/chewie_progress_colors.dart';
 import 'package:chewie/src/helpers/utils.dart';
+import 'package:chewie/src/material/color_compat_extensions.dart';
 import 'package:chewie/src/material/material_progress_bar.dart';
 import 'package:chewie/src/material/widgets/options_dialog.dart';
 import 'package:chewie/src/material/widgets/playback_speed_dialog.dart';
@@ -470,7 +471,7 @@ class _MaterialControlsState extends State<MaterialControls>
             text: '/ ${formatDuration(duration)}',
             style: TextStyle(
               fontSize: 14.0,
-              color: Colors.white.withValues(alpha: .75),
+              color: Colors.white.withOpacityCompat(.75),
               fontWeight: FontWeight.normal,
             ),
           )
@@ -683,9 +684,9 @@ class _MaterialControlsState extends State<MaterialControls>
               playedColor: Theme.of(context).colorScheme.secondary,
               handleColor: Theme.of(context).colorScheme.secondary,
               bufferedColor:
-                  Theme.of(context).colorScheme.surface.withValues(alpha: 0.5),
+                  Theme.of(context).colorScheme.surface.withOpacityCompat(0.5),
               backgroundColor:
-                  Theme.of(context).disabledColor.withValues(alpha: .5),
+                  Theme.of(context).disabledColor.withOpacityCompat(.5),
             ),
         draggableProgressBar: chewieController.draggableProgressBar,
       ),

lib/src/material/material_desktop_controls.dart

@@ -5,6 +5,7 @@ import 'package:chewie/src/center_play_button.dart';
 import 'package:chewie/src/chewie_player.dart';
 import 'package:chewie/src/chewie_progress_colors.dart';
 import 'package:chewie/src/helpers/utils.dart';
+import 'package:chewie/src/material/color_compat_extensions.dart';
 import 'package:chewie/src/material/material_progress_bar.dart';
 import 'package:chewie/src/material/widgets/options_dialog.dart';
 import 'package:chewie/src/material/widgets/playback_speed_dialog.dart';
@@ -649,9 +650,9 @@ class _MaterialDesktopControlsState extends State<MaterialDesktopControls>
               playedColor: Theme.of(context).colorScheme.secondary,
               handleColor: Theme.of(context).colorScheme.secondary,
               bufferedColor:
-                  Theme.of(context).colorScheme.surface.withValues(alpha: 0.5),
+                  Theme.of(context).colorScheme.surface.withOpacityCompat(0.5),
               backgroundColor:
-                  Theme.of(context).disabledColor.withValues(alpha: 0.5),
+                  Theme.of(context).disabledColor.withOpacityCompat(0.5),
             ),
         draggableProgressBar: chewieController.draggableProgressBar,
       ),

pubspec.yaml

@@ -5,7 +5,7 @@ homepage: https://github.com/fluttercommunity/chewie
 
 environment:
   sdk: '>=3.3.0 <4.0.0'
-  flutter: ">=3.27.0"
+  flutter: ">=3.24.0"
 
 dependencies:
   cupertino_icons: ^1.0.5