116 lines
3.1 KiB
Markdown
116 lines
3.1 KiB
Markdown
[](https://pub.dartlang.org/packages/settings_manager)
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[](https://pub.dartlang.org/packages/settings_gen)
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[](https://www.buymeacoffee.com/rodydavis)
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[](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=WSH3GVC49GNNJ)
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# Settings Manager
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- Flutter settings store built on top of [shared preferences](https://pub.dev/packages/shared_preferences).
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- Code Generator for supported types
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## Usage
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```dart
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:settings_manager/settings_manager.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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part 'settings.g.dart';
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class Settings = SettingsBase with _$Settings;
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abstract class SettingsBase with SettingsStore {
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@BoolSetting(defaultValue: false)
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bool darkMode;
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@StringSetting(defaultValue: 'none')
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String userId;
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@IntSetting(defaultValue: 0)
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int counterValue;
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@DoubleSetting(defaultValue: 0)
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double radialValue;
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@StringListSetting(defaultValue: [])
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List<String> savedItems;
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}
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```
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## Example
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```dart
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import 'package:flutter/material.dart';
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import 'settings.dart';
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void main() {
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runApp(MyApp());
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}
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class MyApp extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Flutter Demo',
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theme: ThemeData(primarySwatch: Colors.blue),
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home: MyHomePage(title: 'Flutter Demo Home Page'),
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);
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}
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}
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class MyHomePage extends StatefulWidget {
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MyHomePage({Key key, this.title}) : super(key: key);
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final String title;
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@override
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_MyHomePageState createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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final _settings = Settings();
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@override
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void initState() {
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_settings.init().then((ready) {
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if (mounted) setState(() {});
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});
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return StreamBuilder<int>(
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stream: _settings.counterValueStream,
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builder: (context, snapshot) {
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return Scaffold(
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appBar: AppBar(title: Text(widget.title)),
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body: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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Text(
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'You have pushed the button this many times:',
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),
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Text(
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'${snapshot.data}',
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style: Theme.of(context).textTheme.headline4,
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),
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],
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),
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),
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floatingActionButton: FloatingActionButton(
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onPressed: () => _settings.counterValue = snapshot.data + 1,
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tooltip: 'Increment',
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child: Icon(Icons.add),
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),
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);
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});
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}
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}
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```
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