17 self.view.accessibilityIdentifier =
@"flutter_view";
19 [engine.binaryMessenger
26 [channel invokeMethod:@"set_scenario" arguments:@{@"name" : @"app_extension"}];
FlutterBinaryMessengerConnection setMessageHandlerOnChannel:binaryMessageHandler:(NSString *channel, [binaryMessageHandler] FlutterBinaryMessageHandler handler)
instancetype sharedInstance()
instancetype methodChannelWithName:binaryMessenger:codec:(NSString *name,[binaryMessenger] NSObject< FlutterBinaryMessenger > *messenger,[codec] NSObject< FlutterMethodCodec > *codec)
instancetype initWithEngine:nibName:bundle:(FlutterEngine *engine,[nibName] nullable NSString *nibName,[bundle] nullable NSBundle *NS_DESIGNATED_INITIALIZER)