【问题标题】:How to built expandable Lists in Flutter如何在 Flutter 中构建可扩展列表
【发布时间】:2021-02-16 05:14:05
【问题描述】:

flutter点击应用栏图标时如何实现?

【问题讨论】:

    标签: flutter dart flutter-layout flutter-dependencies expand


    【解决方案1】:

    如果您指的是三个点,那么 PopupMenuButton 就是要走的路:

    Scaffold(
          appBar: AppBar(
            title: Text('Chat'),
            actions: <Widget>[
              PopupMenuButton<String>(
                itemBuilder: (context) => [
                  PopupMenuItem(
                    value: 1,
                    child: Text("Do something..."),
                  ),
                ],
                onSelected: (value) async => {
                  _doSomething(),
                },
              ),
            ],
          ),
          drawer: AppDrawer(),
          body: something here...
        );
    

    【讨论】:

    • 谢谢你这么多
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