addSnapshotEventHandler method
添加截图事件回调
Implementation
Future<int> addSnapshotEventHandler(
TakeSnapshotResultObserver oberserver,
) async {
if (Platform.isAndroid) {
return Future.value(0);
} else if (Platform.isIOS) {
return await ($instance as BasicHelper).invoke<int>(
method: 'addSnapshotEventHandler:',
args: [oberserver],
addGlobalEngine: false,
);
} else {
throw UnsupportedError('Unsupported platform');
}
}