zwallet/lib/about.dart

56 lines
2.1 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';
import 'package:mustache_template/mustache.dart';
import 'main.dart';
import 'generated/l10n.dart';
Future<void> showAbout(BuildContext context) async {
final s = S.of(context);
final contentTemplate = await rootBundle.loadString('assets/about.md');
final template = Template(contentTemplate);
var content = template.renderString({'APP': APP_NAME});
String? versionString;
PackageInfo packageInfo = await PackageInfo.fromPlatform();
String version = packageInfo.version;
String code = packageInfo.buildNumber;
versionString = "${s.version}: $version+$code";
final mq = MediaQuery.of(context);
showDialog(
context: context,
barrierDismissible: false,
builder: (context) => AlertDialog(
title: Text('${S.of(context).about} $APP_NAME'),
contentPadding: EdgeInsets.all(16),
content: Container(width: mq.size.width, height: mq.size.height,
child: SingleChildScrollView(child: Column(
children: [
MarkdownBody(data: content),
Padding(padding: EdgeInsets.symmetric(vertical: 8)),
if (versionString != null) GestureDetector(
onLongPress: () {resetApp(context);},
child: Text("$versionString"))
],
))),
actions: [
ElevatedButton.icon(
onPressed: () {
Navigator.of(context).pop();
},
label: Text(S.of(context).ok),
icon: Icon(Icons.done))
]));
}
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);
}
}