zwallet/lib/about.dart

39 lines
1.3 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart' show rootBundle;
import 'package:flutter_markdown/flutter_markdown.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:package_info_plus/package_info_plus.dart';
Future<void> showAbout(BuildContext context) async {
var content = await rootBundle.loadString('assets/about.md');
PackageInfo packageInfo = await PackageInfo.fromPlatform();
String version = packageInfo.version;
String code = packageInfo.buildNumber;
content += "`Version: $version+$code`";
showDialog(
context: context,
barrierDismissible: false,
builder: (context) => AlertDialog(
title: Text('About ZWallet'),
content: Container(
width: double.maxFinite,
child: Markdown(data: content),
),
actions: [
ElevatedButton(
onPressed: () {
Navigator.of(context).pop();
},
child: Text('OK'))
]));
}
Future<void> showAboutOnce(BuildContext context) async {
final prefs = await SharedPreferences.getInstance();
final about = prefs.getBool('about');
if (about == null) {
await showAbout(context);
prefs.setBool('about', true);
}
}