import 'dart:async'; import 'package:flutter/material.dart'; import 'package:url_launcher/url_launcher.dart'; void unawaited(Future future) {} bool isDarkMode(BuildContext context) => Theme.of(context).brightness == Brightness.dark; void showSnackBar(BuildContext context, Widget child) => ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: child)); void showSnackBarWithAction( BuildContext context, String content, String action, Function onTap) { ScaffoldMessenger.of(context).showSnackBar(SnackBar( content: Text(content), action: SnackBarAction( label: action, onPressed: () => onTap, ), )); } Future openUrl(String url) async { print('openUrl $url'); if (!await canLaunch(url)) { print('canLaunch false'); return false; } final ok = await launch(url, forceSafariVC: false); if (ok == true) { return true; } print('launch $url failed'); return false; }