chore(ui, localization, persistence): migrate code, test to flutter 3.10.0.

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat_flutter/example/lib/split_view.dart

@@ -128,12 +128,12 @@ class ChannelPage extends StatelessWidget {
   @override
   Widget build(BuildContext context) => Navigator(
         onGenerateRoute: (settings) => MaterialPageRoute(
-          builder: (context) => Scaffold(
+          builder: (context) => const Scaffold(
-            appBar: const StreamChannelHeader(
+            appBar: StreamChannelHeader(
               showBackButton: false,
             ),
             body: Column(
-              children: const <Widget>[
+              children: <Widget>[
                 Expanded(
                   child: StreamMessageListView(),
                 ),

packages/stream_chat_flutter/example/lib/tutorial_part_1.dart

@@ -91,10 +91,10 @@ class ChannelPage extends StatelessWidget {
   @override
   // ignore: prefer_expression_function_bodies
   Widget build(BuildContext context) {
-    return Scaffold(
+    return const Scaffold(
-      appBar: const StreamChannelHeader(),
+      appBar: StreamChannelHeader(),
       body: Column(
-        children: const <Widget>[
+        children: <Widget>[
           Expanded(
             child: StreamMessageListView(),
           ),

packages/stream_chat_flutter/example/lib/tutorial_part_2.dart

@@ -126,10 +126,10 @@ class ChannelPage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return const Scaffold(
-      appBar: const StreamChannelHeader(),
+      appBar: StreamChannelHeader(),
       body: Column(
-        children: const <Widget>[
+        children: <Widget>[
           Expanded(
             child: StreamMessageListView(),
           ),

packages/stream_chat_flutter/example/lib/tutorial_part_3.dart

@@ -168,10 +168,10 @@ class ChannelPage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return const Scaffold(
-      appBar: const StreamChannelHeader(),
+      appBar: StreamChannelHeader(),
       body: Column(
-        children: const <Widget>[
+        children: <Widget>[
           Expanded(
             child: StreamMessageListView(),
           ),

packages/stream_chat_flutter/lib/src/scroll_view/photo_gallery/stream_photo_gallery_tile.dart

@@ -202,9 +202,9 @@ class MediaThumbnailProvider extends ImageProvider<MediaThumbnailProvider> {
   }
 
   @override
-  ImageStreamCompleter loadBuffer(
+  ImageStreamCompleter loadImage(
     MediaThumbnailProvider key,
-    DecoderBufferCallback decode,
+    ImageDecoderCallback decode,
   ) {
     return MultiFrameImageStreamCompleter(
       codec: _loadAsync(key, decode),
@@ -221,7 +221,7 @@ class MediaThumbnailProvider extends ImageProvider<MediaThumbnailProvider> {
 
   Future<ui.Codec> _loadAsync(
     MediaThumbnailProvider key,
-    DecoderBufferCallback decode,
+    ImageDecoderCallback decode,
   ) async {
     assert(key == this, '$key is not $this');
     final bytes = await media.thumbnailDataWithSize(

packages/stream_chat_flutter/test/scrollable_positioned_list/horizontal_scrollable_positioned_list_test.dart

@@ -22,9 +22,8 @@ void main() {
     EdgeInsets? padding,
     int initialScrollIndex = 0,
   }) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(

packages/stream_chat_flutter/test/scrollable_positioned_list/positioned_list_test.dart

@@ -24,9 +24,8 @@ void main() {
     double anchor = 0,
     int itemCount = defaultItemCount,
   }) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(

packages/stream_chat_flutter/test/scrollable_positioned_list/reversed_positioned_list_test.dart

@@ -23,9 +23,8 @@ void main() {
     double anchor = 0,
     int itemCount = defaultItemCount,
   }) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(

packages/stream_chat_flutter/test/scrollable_positioned_list/reversed_scrollable_positioned_list_test.dart

@@ -21,9 +21,8 @@ void main() {
     EdgeInsets? padding,
     int initialIndex = 0,
   }) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(

packages/stream_chat_flutter/test/scrollable_positioned_list/scrollable_positioned_list_test.dart

@@ -37,9 +37,8 @@ void main() {
     double? minCacheExtent,
     bool variableHeight = false,
   }) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(
@@ -105,9 +104,8 @@ void main() {
   testWidgets('List positioned with 0 at top - use default values',
       (WidgetTester tester) async {
     final itemPositionsListener = ItemPositionsListener.create();
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(
@@ -1543,9 +1541,8 @@ void main() {
     final itemPositionsListener = ItemPositionsListener.create();
     final itemScrollController = ItemScrollController();
 
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(
@@ -1600,9 +1597,8 @@ void main() {
     final itemPositionsListener = ItemPositionsListener.create();
     final itemScrollController = ItemScrollController();
 
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(
@@ -1661,9 +1657,8 @@ void main() {
       final itemPositionsListener = ItemPositionsListener.create();
       final itemScrollController = ItemScrollController();
 
-      tester.binding.window.devicePixelRatioTestValue = 1.0;
+      tester.view.devicePixelRatio = 1.0;
-      tester.binding.window.physicalSizeTestValue =
+      tester.view.physicalSize = const Size(screenWidth, screenHeight);
-          const Size(screenWidth, screenHeight);
 
       await tester.pumpWidget(
         MaterialApp(
@@ -1732,9 +1727,8 @@ void main() {
 
   testWidgets('Jump to 100 then set itemCount to 0',
       (WidgetTester tester) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     final itemScrollController = ItemScrollController();
     final itemPositionsListener = ItemPositionsListener.create();
@@ -1781,9 +1775,8 @@ void main() {
 
   testWidgets('List positioned with 100 at top then set itemCount to 100',
       (WidgetTester tester) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     final itemCount = ValueNotifier<int>(defaultItemCount);
 
@@ -1823,9 +1816,8 @@ void main() {
 
   testWidgets('List positioned with 499 at bottom then set itemCount to 100',
       (WidgetTester tester) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     final itemCount = ValueNotifier<int>(defaultItemCount);
 
@@ -1943,9 +1935,8 @@ void main() {
   });
 
   testWidgets('Rebuild with scroll controller', (WidgetTester tester) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
     final key = ValueNotifier<Key>(const ValueKey('key'));
     final itemScrollController = ItemScrollController();
 
@@ -1986,9 +1977,8 @@ void main() {
 
   testWidgets('Double rebuild with scroll controller',
       (WidgetTester tester) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
     final outerKey = ValueNotifier<Key>(const ValueKey('outerKey'));
     final innerKey = GlobalKey();
     final listKey = ValueNotifier<Key>(const ValueKey(null));
@@ -2036,9 +2026,8 @@ void main() {
   });
 
   testWidgets('Key change with scroll controller', (WidgetTester tester) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
     final key = ValueNotifier<Key>(const ValueKey('key'));
     final itemScrollController = ItemScrollController();
 
@@ -2070,9 +2059,8 @@ void main() {
   });
 
   testWidgets('Scroll after rebuild', (WidgetTester tester) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
     final key = ValueNotifier<Key>(const ValueKey('key'));
     final itemScrollController = ItemScrollController();
 
@@ -2113,9 +2101,8 @@ void main() {
 
   testWidgets('Scroll after rebuild when resusing state',
       (WidgetTester tester) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
     final containerKey = ValueNotifier<Key>(const ValueKey('key'));
     final scrollKey = GlobalKey();
     final itemScrollController = ItemScrollController();
@@ -2158,9 +2145,8 @@ void main() {
 
   testWidgets('Scroll after changing scroll controller',
       (WidgetTester tester) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     final itemScrollController0 = ItemScrollController();
     final itemScrollController1 = ItemScrollController();
@@ -2205,9 +2191,8 @@ void main() {
 
   testWidgets('Scroll after swapping scroll controllers',
       (WidgetTester tester) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     final itemScrollController0 = ItemScrollController();
     final itemScrollController1 = ItemScrollController();

packages/stream_chat_flutter/test/scrollable_positioned_list/separated_positioned_list_test.dart

@@ -25,9 +25,8 @@ void main() {
     double anchor = 0,
     int itemCount = defaultItemCount,
   }) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(

packages/stream_chat_flutter/test/scrollable_positioned_list/separated_scrollable_positioned_list_test.dart

@@ -33,9 +33,8 @@ void main() {
     bool addRepaintBoundaries = true,
     bool addAutomaticKeepAlives = true,
   }) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(
@@ -100,9 +99,8 @@ void main() {
   testWidgets('List positioned with 0 at top - use default values',
       (WidgetTester tester) async {
     final itemPositionsListener = ItemPositionsListener.create();
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(
@@ -484,9 +482,8 @@ void main() {
 
   testWidgets('Empty list then update to single item list',
       (WidgetTester tester) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     final itemScrollController = ItemScrollController();
     final itemPositionsListener = ItemPositionsListener.create();
@@ -526,9 +523,8 @@ void main() {
 
   testWidgets('ItemPositions: Empty list then update to 10 items list',
       (WidgetTester tester) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     final itemScrollController = ItemScrollController();
     final itemPositionsListener = ItemPositionsListener.create();

packages/stream_chat_flutter/test/scrollable_positioned_list/seperated_horizontal_scrollable_positioned_list_test.dart

@@ -24,9 +24,8 @@ void main() {
     EdgeInsets? padding,
     int initialScrollIndex = 0,
   }) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(

packages/stream_chat_flutter/test/scrollable_positioned_list/shrink_wrap_position_list_test.dart

@@ -25,9 +25,8 @@ void main() {
     int itemCount = defaultItemCount,
     bool reverse = false,
   }) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(
@@ -421,9 +420,8 @@ void main() {
   testWidgets('test nested positioned list', (WidgetTester tester) async {
     const itemCount = 50;
     const key = Key('short_list');
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(

packages/stream_chat_flutter/test/scrollable_positioned_list/shrink_wrap_scrollable_position_list_test.dart

@@ -21,9 +21,8 @@ void main() {
     EdgeInsets? padding,
     int initialIndex = 0,
   }) async {
-    tester.binding.window.devicePixelRatioTestValue = 1.0;
+    tester.view.devicePixelRatio = 1.0;
-    tester.binding.window.physicalSizeTestValue =
+    tester.view.physicalSize = const Size(screenWidth, screenHeight);
-        const Size(screenWidth, screenHeight);
 
     await tester.pumpWidget(
       MaterialApp(

packages/stream_chat_flutter/test/src/avatars/group_avatar_test.dart

@@ -39,20 +39,27 @@ void main() {
   });
 
   setUp(() {
-    methodChannel.setMockMethodCallHandler((MethodCall methodCall) async {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
-      if (methodCall.method == 'listen') {
+        .setMockMethodCallHandler(
-        try {
+      methodChannel,
-          await ServicesBinding.instance.defaultBinaryMessenger
+      (MethodCall methodCall) async {
-              .handlePlatformMessage(
+        if (methodCall.method == 'listen') {
-            methodChannel.name,
+          try {
-            methodChannel.codec.encodeSuccessEnvelope('wifi'),
+            await TestDefaultBinaryMessengerBinding
-            (_) {},
+                .instance.defaultBinaryMessenger
-          );
+                .handlePlatformMessage(
-        } catch (e) {
+              methodChannel.name,
-          print(e);
+              methodChannel.codec.encodeSuccessEnvelope('wifi'),
+              (_) {},
+            );
+          } catch (e) {
+            print(e);
+          }
         }
-      }
+
-    });
+        return null;
+      },
+    );
   });
 
   testWidgets(
@@ -118,7 +125,8 @@ void main() {
   );
 
   tearDown(() {
-    methodChannel.setMockMethodCallHandler(null);
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(methodChannel, null);
   });
 
   /*testGoldens(

packages/stream_chat_flutter/test/src/bottom_sheets/edit_message_sheet_test.dart

@@ -11,10 +11,13 @@ void main() {
     const methodChannel =
         MethodChannel('dev.fluttercommunity.plus/connectivity_status');
     setUp(() {
-      methodChannel.setMockMethodCallHandler((MethodCall methodCall) async {
+      TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+          .setMockMethodCallHandler(methodChannel,
+              (MethodCall methodCall) async {
         if (methodCall.method == 'listen') {
           try {
-            await ServicesBinding.instance.defaultBinaryMessenger
+            await TestDefaultBinaryMessengerBinding
+                .instance.defaultBinaryMessenger
                 .handlePlatformMessage(
               methodChannel.name,
               methodChannel.codec.encodeSuccessEnvelope('wifi'),
@@ -24,6 +27,7 @@ void main() {
             print(e);
           }
         }
+        return null;
       });
     });
 
@@ -87,7 +91,8 @@ void main() {
     );
 
     tearDown(() {
-      methodChannel.setMockMethodCallHandler(null);
+      TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+          .setMockMethodCallHandler(methodChannel, null);
     });
   });
 }

packages/stream_chat_flutter/test/src/bottom_sheets/error_alert_sheet_test.dart

@@ -11,10 +11,13 @@ void main() {
     const methodChannel =
         MethodChannel('dev.fluttercommunity.plus/connectivity_status');
     setUp(() {
-      methodChannel.setMockMethodCallHandler((MethodCall methodCall) async {
+      TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+          .setMockMethodCallHandler(methodChannel,
+              (MethodCall methodCall) async {
         if (methodCall.method == 'listen') {
           try {
-            await ServicesBinding.instance.defaultBinaryMessenger
+            await TestDefaultBinaryMessengerBinding
+                .instance.defaultBinaryMessenger
                 .handlePlatformMessage(
               methodChannel.name,
               methodChannel.codec.encodeSuccessEnvelope('wifi'),
@@ -24,6 +27,7 @@ void main() {
             print(e);
           }
         }
+        return null;
       });
     });
 
@@ -93,7 +97,8 @@ void main() {
     );
 
     tearDown(() {
-      methodChannel.setMockMethodCallHandler(null);
+      TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+          .setMockMethodCallHandler(methodChannel, null);
     });
   });
 }

packages/stream_chat_flutter/test/src/gallery/gallery_footer_test.dart

@@ -40,10 +40,12 @@ void main() {
   });
 
   setUp(() {
-    methodChannel.setMockMethodCallHandler((MethodCall methodCall) async {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(methodChannel, (MethodCall methodCall) async {
       if (methodCall.method == 'listen') {
         try {
-          await ServicesBinding.instance.defaultBinaryMessenger
+          await TestDefaultBinaryMessengerBinding
+              .instance.defaultBinaryMessenger
               .handlePlatformMessage(
             methodChannel.name,
             methodChannel.codec.encodeSuccessEnvelope('wifi'),
@@ -53,6 +55,7 @@ void main() {
           print(e);
         }
       }
+      return null;
     });
   });
 
@@ -106,6 +109,7 @@ void main() {
   });
 
   tearDown(() {
-    methodChannel.setMockMethodCallHandler(null);
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(methodChannel, null);
   });
 }

packages/stream_chat_flutter/test/src/gallery/gallery_header_test.dart

@@ -40,10 +40,12 @@ void main() {
   });
 
   setUp(() {
-    methodChannel.setMockMethodCallHandler((MethodCall methodCall) async {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(methodChannel, (MethodCall methodCall) async {
       if (methodCall.method == 'listen') {
         try {
-          await ServicesBinding.instance.defaultBinaryMessenger
+          await TestDefaultBinaryMessengerBinding
+              .instance.defaultBinaryMessenger
               .handlePlatformMessage(
             methodChannel.name,
             methodChannel.codec.encodeSuccessEnvelope('wifi'),
@@ -53,6 +55,7 @@ void main() {
           print(e);
         }
       }
+      return null;
     });
   });
 
@@ -110,6 +113,7 @@ void main() {
   });
 
   tearDown(() {
-    methodChannel.setMockMethodCallHandler(null);
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(methodChannel, null);
   });
 }

packages/stream_chat_localizations/example/lib/add_new_lang.dart

@@ -577,10 +577,10 @@ class ChannelPage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return const Scaffold(
-      appBar: const StreamChannelHeader(),
+      appBar: StreamChannelHeader(),
       body: Column(
-        children: const <Widget>[
+        children: <Widget>[
           Expanded(
             child: StreamMessageListView(),
           ),

packages/stream_chat_localizations/example/lib/main.dart

@@ -106,10 +106,10 @@ class ChannelPage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return const Scaffold(
-      appBar: const StreamChannelHeader(),
+      appBar: StreamChannelHeader(),
       body: Column(
-        children: const <Widget>[
+        children: <Widget>[
           Expanded(
             child: StreamMessageListView(),
           ),

packages/stream_chat_localizations/example/lib/override_lang.dart

@@ -133,10 +133,10 @@ class ChannelPage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return const Scaffold(
-      appBar: const StreamChannelHeader(),
+      appBar: StreamChannelHeader(),
       body: Column(
-        children: const <Widget>[
+        children: <Widget>[
           Expanded(
             child: StreamMessageListView(),
           ),

packages/stream_chat_persistence/lib/src/dao/channel_query_dao.dart

@@ -81,13 +81,13 @@ class ChannelQueryDao extends DatabaseAccessor<DriftChatDatabase>
     final cachedChannelCids = await getCachedChannelCids(filter);
     final query = select(channels)..where((c) => c.cid.isIn(cachedChannelCids));
 
-    final cachedChannels = await (query.join([
+    final cachedChannels = await query.join([
       leftOuterJoin(users, channels.createdById.equalsExp(users.id)),
     ]).map((row) {
       final createdByEntity = row.readTableOrNull(users);
       final channelEntity = row.readTable(channels);
       return channelEntity.toChannelModel(createdBy: createdByEntity?.toUser());
-    })).get();
+    }).get();
 
     var chainedComparator = (ChannelModel a, ChannelModel b) {
       final dateA = a.lastMessageAt ?? a.createdAt;

packages/stream_chat_persistence/lib/src/dao/member_dao.dart

@@ -1,10 +1,8 @@
 import 'package:drift/drift.dart';
 import 'package:stream_chat/stream_chat.dart';
 import 'package:stream_chat_persistence/src/db/drift_chat_database.dart';
-
 import 'package:stream_chat_persistence/src/entity/members.dart';
 import 'package:stream_chat_persistence/src/entity/users.dart';
-
 import 'package:stream_chat_persistence/src/mapper/mapper.dart';
 
 part 'member_dao.g.dart';
@@ -39,9 +37,9 @@ class MemberDao extends DatabaseAccessor<DriftChatDatabase>
   ) {
     final entities = channelWithMembers.entries
         .map((entry) =>
-            (entry.value?.map(
+            entry.value?.map(
               (member) => member.toEntity(cid: entry.key),
-            )) ??
+            ) ??
             [])
         .expand((it) => it)
         .toList(growable: false);