flutter_settings_screens 0.2.1+1

A Simple plugin to implement settings UI screens for your flutter apps. Customize what you want, From UI elements, behaviour or underlying storage library.

example/lib/main.dart

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';

Future<void> main() async {
  await initSettings();
  runApp(MyApp());
}

Future<void> initSettings() async {
  await Settings.init(
    cacheProvider: _isUsingHive ? HiveCache() : SharePreferenceCache(),
  );
}

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 MaterialApp(
      title: 'App Settings Demo',
      theme: _isDarkTheme ? ThemeData.dark() : ThemeData.light(),
      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(
            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(
            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,
        ),
        RaisedButton(
          child: Text('Start Demo'),
          onPressed: () {
            openAppSettings(context);
          },
        ),
      ],
    );
  }

  void openAppSettings(BuildContext context) {
    Navigator.of(context).push(MaterialPageRoute(
      builder: (context) => AppSettings(),
    ));
  }

  Widget _buildClearCacheButton(BuildContext context) {
    return RaisedButton(
      child: Text('Clear selected Cache'),
      onPressed: () {
        Settings.clearCache();
        showSnackBar(
          context,
          'Cache cleared for selected cache.',
        );
      },
    );
  }
}

void showSnackBar(BuildContext context, String message) {
  Scaffold.of(context).showSnackBar(
    SnackBar(
      content: Text(
        message,
        style: TextStyle(
          color: Colors.white,
        ),
      ),
      backgroundColor: Theme.of(context).primaryColor,
    ),
  );
}