setWebMessageCallback method

Future<void> setWebMessageCallback(
  1. WebMessageCallback? onMessage
)

Sets a callback to receive message events on the main thread.

Implementation

Future<void> setWebMessageCallback(WebMessageCallback? onMessage) async {
  Map<String, dynamic> args = <String, dynamic>{};
  args.putIfAbsent('index', () => this._index);
  await _webMessageChannel._channel
      .invokeMethod('setWebMessageCallback', args);
  this._onMessage = onMessage;
}