fluter与android通信,Flutter 与Android 的通讯 -BasicMessageChannel方式

Flutter 端

static const BasicMessageChannel messageChannel = BasicMessageChannel(“flutter-drumkaka”, StringCodec());

var receivedMessage = “”

//messageChannel.setMessageHandler(_handlePlatformIncrement);

Future _handleNativeMessage(String message) async {

print(“message=$message”);

setState(() {

receivedMessage = message;

});

return “a return message”;

}

_handNativeMessage(“this is from Flutter”);

Android 端

String CHANNEL = "flutter-drumkaka";

BasicMessageChannel messageChannel = new BasicMessageChannel<>(getFlutterEngine().getDartExecutor().getBinaryMessenger(), CHANNEL, StringCodec.INSTANCE);

messageChannel.

setMessageHandler(new BasicMessageChannel.MessageHandler() {

@Override

public void onMessage(@Nullable String message, @NonNull BasicMessageChannel.Reply reply) {

showMessage(message);

}

});

messageChannel.send("this is from Android Native");