RawGestrueDetector监听子widget的点击

class MultipleTapGestureRecognizer extends TapGestureRecognizer {
  @override
  void rejectGesture(int pointer) {
    acceptGesture(pointer);
  }
}

RawGestureDetector(
  gestures: {
    MultipleTapGestureRecognizer:
        GestureRecognizerFactoryWithHandlers<
            MultipleTapGestureRecognizer>(
      () => MultipleTapGestureRecognizer(),
      (MultipleTapGestureRecognizer instance) {
        instance.onTap = () {
          print('father widget tap');
        }; // 父视图的点击回调
      },
    )
  },
  child:Contaner(),
);