cupertino message box flutter code example

Example: cupartino message box flutter

showDialog(
      context: context,
      builder: (BuildContext context) => CupertinoAlertDialog(
        title: new Text("Dialog Title"),
        content: new Text("This is my content"),
        actions: <Widget>[
          CupertinoDialogAction(
            isDefaultAction: true,
            child: Text(StringConstants.BIOMETRICAUTHORIZED),
          ),
          CupertinoDialogAction(
            child: Text("No"),
          )
        ],
      )
    );