Progress & Message Dialog Flutter

dialogs.dart

showProgressDialog(BuildContext context) {
  showDialog(
    context: context,
    barrierDismissible: false,
    builder: (BuildContext context) {
      return WillPopScope(
        onWillPop: () async => false,
        child: AlertDialog(
          elevation: 0,
          backgroundColor: Colors.red.withOpacity(0),
          content: Row(
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: const [
              CircularProgressIndicator(),
              SizedBox(width: 20),
              Text(
                'One moment...',
                style: TextStyle(
                  color: Colors.white,
                ),
              ),
            ],
          ),
        ),
      );
    },
  );
}

showErrorDialog(BuildContext context, String message) {
  showDialog(
    context: context,
    barrierDismissible: false,
    barrierColor: Colors.black.withOpacity(1),
    builder: (BuildContext context) {
      return WillPopScope(
        onWillPop: () async => false,
        child: AlertDialog(
          title: const Text('Error'),
          content: Text(
            message,
          ),
          actions: [
            TextButton(
              child: const Text("OK"),
              onPressed: () {},
            )
          ],
        ),
      );
    },
  );
}