flutter - 如何用backBoutton关闭showDialog？

Question

我在FloatingActionButton内部有一个showDialog，我想在单击后退按钮时关闭showDialog，但返回上一页而不关闭
我的密码

 FloatingActionButton(
          onPressed: () async {
        
            await showDialog(
              context: context,
              // useRootNavigator: false,
              builder: (BuildContext context) {
                return AlertDialog(
                  title: Text("Dialog"),
........)

Answer 1

因为您传递了错误的页面上下文。今天我遇到了同样的问题，我通过做来解决了

 FloatingActionButton(
      onPressed: () async {
    
        await showDialog(
          context: context,
          // useRootNavigator: false,
          builder: (BuildContext dialogContext) {
            return AlertDialog(
              title: Text("Dialog"),
........)

然后我用dialogContext弹出对话框

Navigator.of(dialogContext).pop();