[camera_platform_interface] Added imageFormatGroup to initialize

packages/camera/camera_platform_interface/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.1.0
+
+- Introduces option to set ImageFormat when initializing
+
 ## 1.0.4
 
 - Added the torch option to the FlashMode enum, which when implemented indicates the flash light should be turned on continuously.

packages/camera/camera_platform_interface/lib/src/method_channel/method_channel_camera.dart

@@ -75,7 +75,7 @@ class MethodChannelCamera extends CameraPlatform {
   }
 
   @override
-  Future<void> initializeCamera(int cameraId) {
+  Future<void> initializeCamera(int cameraId, {int imageFormatGroup}) {
     _channels.putIfAbsent(cameraId, () {
       final channel = MethodChannel('flutter.io/cameraPlugin/camera$cameraId');
       channel.setMethodCallHandler(
@@ -93,6 +93,7 @@ class MethodChannelCamera extends CameraPlatform {
       'initialize',
       <String, dynamic>{
         'cameraId': cameraId,
+        'imageFormatGroup': imageFormatGroup,
       },
     );
 

packages/camera/camera_platform_interface/lib/src/platform_interface/camera_platform.dart

@@ -52,7 +52,11 @@ abstract class CameraPlatform extends PlatformInterface {
   }
 
   /// Initializes the camera on the device.
-  Future<void> initializeCamera(int cameraId) {
+  ///
+  /// [imageFormatGroup] is used to specify the image formatting used.
+  /// On Android this defaults to ImageFormat.YUV_420_888 and applies only to the imageStream.
+  /// On iOS this defaults to kCVPixelFormatType_32BGRA
+  Future<void> initializeCamera(int cameraId, {int imageFormatGroup}) {
     throw UnimplementedError('initializeCamera() is not implemented.');
   }
 

packages/camera/camera_platform_interface/pubspec.yaml

@@ -3,7 +3,7 @@ description: A common platform interface for the camera plugin.
 homepage: https://github.com/flutter/plugins/tree/master/packages/camera/camera_platform_interface
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 1.0.4
+version: 1.1.0
 
 dependencies:
   flutter:

packages/camera/camera_platform_interface/test/method_channel/method_channel_camera_test.dart

@@ -24,7 +24,10 @@ void main() {
         MethodChannelMock cameraMockChannel = MethodChannelMock(
             channelName: 'plugins.flutter.io/camera',
             methods: {
-              'create': {'cameraId': 1}
+              'create': {
+                'cameraId': 1,
+                'imageFormatGroup': null,
+              }
             });
         final camera = MethodChannelCamera();
 
@@ -107,7 +110,10 @@ void main() {
         MethodChannelMock cameraMockChannel = MethodChannelMock(
             channelName: 'plugins.flutter.io/camera',
             methods: {
-              'create': {'cameraId': 1},
+              'create': {
+                'cameraId': 1,
+                'imageFormatGroup': null,
+              },
               'initialize': null
             });
         final camera = MethodChannelCamera();
@@ -130,6 +136,7 @@ void main() {
             'initialize',
             arguments: {
               'cameraId': 1,
+              'imageFormatGroup': null,
             },
           ),
         ]);