git-touch-android-ios-app/lib/screens/issue.dart

import 'package:flutter/cupertino.dart';

class IssueScreen extends StatelessWidget {
  @override
  Widget build(context) {
    return CupertinoPageScaffold(
      navigationBar: CupertinoNavigationBar(
        middle: Text("issue"),
      ),
      child: Text("issue"),
    );
  }
}