如何用另一个 GestureDetector 包装 GestureDetector 并在各处获取事件

问题描述 投票:0回答:2

如果我有一个

GestureDetector
且有一个内部
GestureDetector
,我该如何设置它以便两个探测器都能接收到点击事件?

您可以在这里看到运行代码: https://dartpad.dev/37807a51a48e52eda81c24cf67260c33

GestureDetector(
      onTap: () => print("Log 1"),
      child: GestureDetector(
        onTap: () => print("Log 2"),
        child: Text("CLICK ME")
      )
);
  • 每次我单击它都会打印的文本

    Log 2

  • 我已经尝试过设置

    HitTestBehavior.traslucent
    以及所有这些,但没有成功。

  • 我希望它打印

    Log 1
    Log 2

flutter gesturedetector
2个回答
5
投票
    class _MyAppState extends State<MyApp> {
  @override
  Widget build(BuildContext context) {
    return RawGestureDetector(
        gestures: {
          AllowMultipleVerticalDragGestureRecognizer: GestureRecognizerFactoryWithHandlers<
              AllowMultipleVerticalDragGestureRecognizer>(
            () => AllowMultipleVerticalDragGestureRecognizer(),
            (AllowMultipleVerticalDragGestureRecognizer instance) {
              instance..onEnd = (_) => print("test1");
            },
          )
        },
        child: RawGestureDetector(
          gestures: {
            AllowMultipleVerticalDragGestureRecognizer: GestureRecognizerFactoryWithHandlers<
                AllowMultipleVerticalDragGestureRecognizer>(
              () => AllowMultipleVerticalDragGestureRecognizer(),
              (AllowMultipleVerticalDragGestureRecognizer instance) {
                instance..onEnd = (_) => print("test2");
              },
            )
          },
          child: Container(color: Colors.red),
        ));
  }
}

class AllowMultipleVerticalDragGestureRecognizer extends VerticalDragGestureRecognizer{
  @override
  void rejectGesture(int pointer) {
    acceptGesture(pointer);
  }
}

信用:https://gist.github.com/Nash0x7E2/08acca529096d93f3df0f60f9c034056


0
投票

还有一种更简单的方法可以通过使用

Listener
来实现此目的:

Listener(
 onPointerDown: (event) => print("Log 1"),
 child: GestureDetector(
  onTap: () => print("Log 2"),
  child: Text("CLICK ME"),
 ),
);

希望这能解决这个问题!

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