Add default methodCallHandler to MethodChannel's const constructor

[tymur-l]

When a project with a plugin is beign created, the sample plugin class consists of:

// the platform channel itself
static const MethodChannel _channel = const MethodChannel('channel_name');

// methods that call platform
static ReturnType methodName(/*arguments, if any*/) { /*code that calls platform*/ }

I would like to set a method call handler on _channel, but since it is static const I currently have no means of doing that. The solution I am using looks as follows:

static final MethodChannel _channel = getPluginChannel();

static MethodChannel _getPluginChannel()
{
  final MethodChannel resultChannel = MethodChannel('channel_name');
    resultChannel.setMethodCallHandler((MethodCall call) {
      /*code*/
    });
  return resultChannel;
}

The drawback here is that the _channel variable is not const and there is no way to make it const.
Is it possible to add Future<dynamic> handler(MethodCall call) optional argument to the const constructor of the MethodChannel class?

[goderbauer]

You can just do:

  static final MethodChannel _channel = const MethodChannel('channel_name')..setMethodCallHandler((MethodCall call) async {
    // foo
  });

[github-actions]

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