flutter_settings_screens 0.3.2-null-safety flutter_settings_screens: ^0.3.2-null-safety copied to clipboard
A Simple plugin to implement settings UI screens for your flutter apps. Customize what you want, From UI elements, behaviour or underlying storage library.
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_settings_screens/flutter_settings_screens.dart';
import 'app_settings_page.dart';
import 'cache_provider.dart';
ValueNotifier<Color> accentColor;
void main() {
initSettings().then((_) {
runApp(MyApp());
});
}
Future<void> initSettings() async {
await Settings.init(
cacheProvider: _isUsingHive ? HiveCache() : SharePreferenceCache(),
);
accentColor = ValueNotifier(Colors.blueAccent);
}
bool _isDarkTheme = true;
bool _isUsingHive = true;
class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MyHomePage(title: 'Flutter Demo Home Page');
}
}
class MyHomePage extends StatefulWidget {
final String title;
const MyHomePage({Key key, this.title}) : super(key: key);
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
@override
Widget build(BuildContext context) {
return ValueListenableBuilder<Color>(
valueListenable: accentColor,
builder: (_, color, __) {
final _darkTheme = ThemeData.dark();
final _lightTheme = ThemeData.light();
return MaterialApp(
title: 'App Settings Demo',
theme: _isDarkTheme
? _darkTheme.copyWith(
colorScheme:
_darkTheme.colorScheme.copyWith(secondary: color),
)
: _lightTheme.copyWith(
colorScheme:
_darkTheme.colorScheme.copyWith(secondary: color),
),
home: Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Column(
children: <Widget>[
_buildThemeSwitch(context),
_buildPreferenceSwitch(context),
SizedBox(
height: 50.0,
),
AppBody(),
],
),
),
),
);
},
);
}
Widget _buildPreferenceSwitch(BuildContext context) {
return Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: <Widget>[
Text('Shared Pref'),
Switch(
activeColor: Theme.of(context).colorScheme.secondary,
value: _isUsingHive,
onChanged: (newVal) {
if (kIsWeb) {
return;
}
_isUsingHive = newVal;
setState(() {
initSettings();
});
}),
Text('Hive Storage'),
],
);
}
Widget _buildThemeSwitch(BuildContext context) {
return Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: <Widget>[
Text('Light Theme'),
Switch(
activeColor: Theme.of(context).colorScheme.secondary,
value: _isDarkTheme,
onChanged: (newVal) {
_isDarkTheme = newVal;
setState(() {});
}),
Text('Dark Theme'),
],
);
}
}
class AppBody extends StatefulWidget {
@override
_AppBodyState createState() => _AppBodyState();
}
class _AppBodyState extends State<AppBody> {
@override
Widget build(BuildContext context) {
return Column(
children: <Widget>[
_buildClearCacheButton(context),
SizedBox(
height: 25.0,
),
ElevatedButton(
onPressed: () {
openAppSettings(context);
},
child: Text('Start Demo'),
),
],
);
}
void openAppSettings(BuildContext context) {
Navigator.of(context).push(MaterialPageRoute(
builder: (context) => AppSettings(),
));
}
Widget _buildClearCacheButton(BuildContext context) {
return ElevatedButton(
onPressed: () {
Settings.clearCache();
showSnackBar(
context,
'Cache cleared for selected cache.',
);
},
child: Text('Clear selected Cache'),
);
}
}
void showSnackBar(BuildContext context, String message) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
message,
style: TextStyle(
color: Colors.white,
),
),
backgroundColor: Theme.of(context).primaryColor,
),
);
}