Flutter 3.29 beta (#2571)

platform_channels/lib/src/accelerometer_event_channel.dart

@@ -14,12 +14,12 @@ class Accelerometer {
   /// to value changes from the Accelerometer sensor.
   static Stream<AccelerometerReadings> get readings {
     return _eventChannel.receiveBroadcastStream().map(
-          (dynamic event) => AccelerometerReadings(
-            event[0] as double,
-            event[1] as double,
-            event[2] as double,
-          ),
-        );
+      (dynamic event) => AccelerometerReadings(
+        event[0] as double,
+        event[1] as double,
+        event[2] as double,
+      ),
+    );
   }
 }
 

platform_channels/lib/src/add_pet_details.dart

@@ -31,24 +31,19 @@ class _AddPetDetailsState extends State<AddPetDetails> {
             icon: const Icon(Icons.add),
             onPressed: () {
               PetListMessageChannel.addPetDetails(
-                PetDetails(
-                  petType: petType,
-                  breed: breedTextController.text,
-                ),
+                PetDetails(petType: petType, breed: breedTextController.text),
               );
 
               context.pop();
             },
-          )
+          ),
         ],
       ),
       body: Padding(
         padding: const EdgeInsets.all(8.0),
         child: Column(
           children: [
-            const SizedBox(
-              height: 8,
-            ),
+            const SizedBox(height: 8),
             TextField(
               controller: breedTextController,
               decoration: const InputDecoration(
@@ -58,9 +53,7 @@ class _AddPetDetailsState extends State<AddPetDetails> {
                 labelText: 'Breed',
               ),
             ),
-            const SizedBox(
-              height: 8,
-            ),
+            const SizedBox(height: 8),
             RadioListTile<String>(
               title: const Text('Dog'),
               value: 'Dog',

platform_channels/lib/src/counter_method_channel.dart

@@ -15,15 +15,17 @@ class Counter {
 
   /// This method is responsible to increment and return the value of count.
   static Future<int> increment({required int counterValue}) async {
-    final result = await methodChannel
-        .invokeMethod<int>('increment', {'count': counterValue});
+    final result = await methodChannel.invokeMethod<int>('increment', {
+      'count': counterValue,
+    });
     return result!;
   }
 
   /// This method is responsible to decrement and return the value of count.
   static Future<int> decrement({required int counterValue}) async {
-    final result = await methodChannel
-        .invokeMethod<int>('decrement', {'count': counterValue});
+    final result = await methodChannel.invokeMethod<int>('decrement', {
+      'count': counterValue,
+    });
     return result!;
   }
 }

platform_channels/lib/src/event_channel_demo.dart

@@ -20,27 +20,32 @@ class EventChannelDemo extends StatelessWidget {
   Widget build(BuildContext context) {
     final textStyle = Theme.of(context).textTheme.headlineSmall;
     return Scaffold(
-      appBar: AppBar(
-        title: const Text('EventChannel Demo'),
-      ),
+      appBar: AppBar(title: const Text('EventChannel Demo')),
       body: Center(
         child: StreamBuilder<AccelerometerReadings>(
           stream: Accelerometer.readings,
           builder: (context, snapshot) {
             return switch (snapshot) {
-              AsyncSnapshot(hasError: true) =>
-                Text((snapshot.error as PlatformException).message!),
+              AsyncSnapshot(hasError: true) => Text(
+                (snapshot.error as PlatformException).message!,
+              ),
               AsyncSnapshot(hasData: true) => Column(
-                  mainAxisAlignment: MainAxisAlignment.center,
-                  children: [
-                    Text('x axis: ${snapshot.data!.x.toStringAsFixed(3)}',
-                        style: textStyle),
-                    Text('y axis: ${snapshot.data!.y.toStringAsFixed(3)}',
-                        style: textStyle),
-                    Text('z axis: ${snapshot.data!.z.toStringAsFixed(3)}',
-                        style: textStyle)
-                  ],
-                ),
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Text(
+                    'x axis: ${snapshot.data!.x.toStringAsFixed(3)}',
+                    style: textStyle,
+                  ),
+                  Text(
+                    'y axis: ${snapshot.data!.y.toStringAsFixed(3)}',
+                    style: textStyle,
+                  ),
+                  Text(
+                    'z axis: ${snapshot.data!.z.toStringAsFixed(3)}',
+                    style: textStyle,
+                  ),
+                ],
+              ),
               _ => Text('No Data Available', style: textStyle),
             };
           },

platform_channels/lib/src/image_basic_message_channel.dart

@@ -8,8 +8,10 @@ import 'package:flutter/services.dart';
 /// from a native asset. The [BasicMessageChannel] uses [StandardMessageCodec]
 /// since it supports [Uint8List], which is used to transport the image data.
 class PlatformImageFetcher {
-  static const _basicMessageChannel =
-      BasicMessageChannel<dynamic>('platformImageDemo', StandardMessageCodec());
+  static const _basicMessageChannel = BasicMessageChannel<dynamic>(
+    'platformImageDemo',
+    StandardMessageCodec(),
+  );
 
   /// Method responsible for providing the platform image.
   static Future<Uint8List> getImage() async {

platform_channels/lib/src/method_channel_demo.dart

@@ -22,9 +22,7 @@ class _MethodChannelDemoState extends State<MethodChannelDemo> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(
-        title: const Text('MethodChannel Demo'),
-      ),
+      appBar: AppBar(title: const Text('MethodChannel Demo')),
       body: Column(
         mainAxisAlignment: MainAxisAlignment.center,
         children: [
@@ -32,9 +30,7 @@ class _MethodChannelDemoState extends State<MethodChannelDemo> {
             'Value of count is $count',
             style: Theme.of(context).textTheme.headlineSmall,
           ),
-          const SizedBox(
-            height: 16,
-          ),
+          const SizedBox(height: 16),
           Row(
             mainAxisAlignment: MainAxisAlignment.spaceEvenly,
             children: [
@@ -74,19 +70,17 @@ class _MethodChannelDemoState extends State<MethodChannelDemo> {
                 },
                 icon: const Icon(Icons.remove),
                 label: const Text('Decrement'),
-              )
+              ),
             ],
-          )
+          ),
         ],
       ),
     );
   }
 
   void showErrorMessage(BuildContext context, String errorMessage) {
-    ScaffoldMessenger.of(context).showSnackBar(
-      SnackBar(
-        content: Text(errorMessage),
-      ),
-    );
+    ScaffoldMessenger.of(
+      context,
+    ).showSnackBar(SnackBar(content: Text(errorMessage)));
   }
 }

platform_channels/lib/src/pet_list_message_channel.dart

@@ -9,11 +9,15 @@ import 'package:flutter/services.dart';
 /// This class includes two methods [addPetDetails] and [removePet] which are used
 /// to add a new pet and remove a pet from the the list respectively.
 class PetListMessageChannel {
-  static const _jsonMessageCodecChannel =
-      BasicMessageChannel<dynamic>('jsonMessageCodecDemo', JSONMessageCodec());
+  static const _jsonMessageCodecChannel = BasicMessageChannel<dynamic>(
+    'jsonMessageCodecDemo',
+    JSONMessageCodec(),
+  );
 
-  static const _binaryCodecChannel =
-      BasicMessageChannel('binaryCodecDemo', BinaryCodec());
+  static const _binaryCodecChannel = BasicMessageChannel(
+    'binaryCodecDemo',
+    BinaryCodec(),
+  );
 
   /// Method to add a new pet to the list.
   ///
@@ -43,9 +47,7 @@ class PetListMessageChannel {
 
 /// A model class that provides [petList] which is received from platform.
 class PetListModel {
-  PetListModel({
-    required this.petList,
-  });
+  PetListModel({required this.petList});
 
   final List<PetDetails> petList;
 
@@ -53,32 +55,30 @@ class PetListModel {
   factory PetListModel.fromJson(String jsonString) {
     final jsonData = json.decode(jsonString) as Map<String, dynamic>;
     return PetListModel(
-      petList: List.from((jsonData['petList'] as List).map<PetDetails>(
-        (dynamic petDetailsMap) => PetDetails.fromMap(
-          petDetailsMap as Map<String, dynamic>,
+      petList: List.from(
+        (jsonData['petList'] as List).map<PetDetails>(
+          (dynamic petDetailsMap) =>
+              PetDetails.fromMap(petDetailsMap as Map<String, dynamic>),
         ),
-      )),
+      ),
     );
   }
 }
 
 /// A simple model that provides pet details like [petType] and [breed] of pet.
 class PetDetails {
-  PetDetails({
-    required this.petType,
-    required this.breed,
-  });
+  PetDetails({required this.petType, required this.breed});
 
   final String petType;
   final String breed;
 
   factory PetDetails.fromMap(Map<String, dynamic> map) => PetDetails(
-        petType: map['petType'] as String,
-        breed: map['breed'] as String,
-      );
+    petType: map['petType'] as String,
+    breed: map['breed'] as String,
+  );
 
   Map<String, String> toJson() => <String, String>{
-        'petType': petType,
-        'breed': breed,
-      };
+    'petType': petType,
+    'breed': breed,
+  };
 }

platform_channels/lib/src/pet_list_screen.dart

@@ -26,8 +26,10 @@ class _PetListScreenState extends State<PetListScreen> {
     // Receives a string of json object from the platform and converts it
     // to PetModel.
     final scaffoldMessenger = ScaffoldMessenger.of(context);
-    const BasicMessageChannel<String?>('stringCodecDemo', StringCodec())
-        .setMessageHandler((message) async {
+    const BasicMessageChannel<String?>(
+      'stringCodecDemo',
+      StringCodec(),
+    ).setMessageHandler((message) async {
       if (message == null) {
         scaffoldMessenger.showSnackBar(
           const SnackBar(
@@ -47,18 +49,17 @@ class _PetListScreenState extends State<PetListScreen> {
   Widget build(BuildContext context) {
     return Scaffold(
       key: scaffoldKey,
-      appBar: AppBar(
-        title: const Text('Pet List'),
-      ),
+      appBar: AppBar(title: const Text('Pet List')),
       floatingActionButton: FloatingActionButton(
         child: const Icon(Icons.add),
         onPressed: () {
           context.go('/petListScreen/addPetDetails');
         },
       ),
-      body: petListModel.petList.isEmpty
-          ? const Center(child: Text('Enter Pet Details'))
-          : BuildPetList(petListModel.petList),
+      body:
+          petListModel.petList.isEmpty
+              ? const Center(child: Text('Enter Pet Details'))
+              : BuildPetList(petListModel.petList),
     );
   }
 }
@@ -77,9 +78,7 @@ class BuildPetList extends StatelessWidget {
       itemBuilder: (context, index) {
         return ListTile(
           title: Text('Pet breed: ${petList[index].breed}'),
-          subtitle: Text(
-            'Pet type: ${petList[index].petType}',
-          ),
+          subtitle: Text('Pet type: ${petList[index].petType}'),
           trailing: IconButton(
             icon: const Icon(Icons.delete),
             onPressed: () async {
@@ -90,9 +89,11 @@ class BuildPetList extends StatelessWidget {
                   const SnackBar(content: Text('Removed successfully!')),
                 );
               } catch (error) {
-                scaffoldMessenger.showSnackBar(SnackBar(
-                  content: Text((error as PlatformException).message!),
-                ));
+                scaffoldMessenger.showSnackBar(
+                  SnackBar(
+                    content: Text((error as PlatformException).message!),
+                  ),
+                );
               }
             },
           ),

platform_channels/lib/src/platform_image_demo.dart

@@ -23,9 +23,7 @@ class _PlatformImageDemoState extends State<PlatformImageDemo> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(
-        title: const Text('Platform Image Demo'),
-      ),
+      appBar: AppBar(title: const Text('Platform Image Demo')),
       body: Center(
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
@@ -47,29 +45,25 @@ class _PlatformImageDemoState extends State<PlatformImageDemo> {
                       );
                     } else if (snapshot.connectionState ==
                         ConnectionState.done) {
-                      return Image.memory(
-                        snapshot.data!,
-                        fit: BoxFit.fill,
-                      );
+                      return Image.memory(snapshot.data!, fit: BoxFit.fill);
                     }
                     return const CircularProgressIndicator();
                   },
                 ),
               ),
             ),
-            const SizedBox(
-              height: 16,
-            ),
+            const SizedBox(height: 16),
             FilledButton(
-              onPressed: imageData != null
-                  ? null
-                  : () {
-                      setState(() {
-                        imageData = PlatformImageFetcher.getImage();
-                      });
-                    },
+              onPressed:
+                  imageData != null
+                      ? null
+                      : () {
+                        setState(() {
+                          imageData = PlatformImageFetcher.getImage();
+                        });
+                      },
               child: const Text('Get Image'),
-            )
+            ),
           ],
         ),
       ),