ios风格的弹窗

showDialog(
  context: context,
  builder: (BuildContext context){
    return CupertinoTheme(
      data: CupertinoThemeData(
        // 设置暗色背景
        brightness: Brightness.dark
      ),
      child: CupertinoAlertDialog(
        title: Text("提示",style: TextStyle(color: Colors.white,fontSize: 16,fontWeight: FontWeight.normal),),
        content: Text("取消编辑将不保留已进行的更改，是否确认退出编辑？",style: TextStyle(fontWeight: FontWeight.normal),),
        actions: [
          CupertinoDialogAction(
            child: const Text("取消编辑",style: TextStyle(color: Colors.white,fontSize: 14),),
            onPressed: () {
              Navigator.pop(context, "取消");
            },
          ),
          CupertinoDialogAction(
            child: const Text("继续编辑",style: TextStyle(color: Colors.white,fontSize: 14),),
            onPressed: () {
              Navigator.pop(context, "确定");
            },
          ),
        ],
      ),
    );
  }
);

普通的手机弹框

return AlertDialog(
  backgroundColor: Color(0xff1A1A1A),
  title: Center(
    child: Text("提示",style: TextStyle(color: Colors.white,fontSize: 16),),
  ),
  content: Text("取消编辑将不保留已进行的更改，是否确认退出编辑？",style: TextStyle(fontWeight: FontWeight.normal),),
  actions: [
    TextButton(
      onPressed: (){
      },
      child: Text("取消编辑",style: TextStyle(color: Colors.white),),
    ),
    TextButton(
      onPressed: (){
      },
      child: Text("继续编辑",style: TextStyle(color: Colors.white),),
    ),
  ],
);