import 'package:custom_navigator/custom_navigator.dart'; import 'package:audio_service/audio_service.dart'; import 'package:flutter/material.dart'; import 'package:flutter/rendering.dart'; import 'package:freezer/ui/library.dart'; import 'package:freezer/ui/login_screen.dart'; import 'package:freezer/ui/search.dart'; import 'package:move_to_background/move_to_background.dart'; import 'ui/player_bar.dart'; import 'api/deezer.dart'; import 'settings.dart'; import 'ui/cached_image.dart'; import 'api/download.dart'; import 'api/player.dart'; import 'ui/home_screen.dart'; Function updateTheme; Function logOut; GlobalKey mainNavigatorKey = GlobalKey(); GlobalKey navigatorKey; void main() async { WidgetsFlutterBinding.ensureInitialized(); //Initialize globals settings = await Settings().loadSettings(); await imagesDatabase.init(); await downloadManager.init(); runApp(FreezerApp()); } class FreezerApp extends StatefulWidget { @override _FreezerAppState createState() => _FreezerAppState(); } class _FreezerAppState extends State { @override void initState() { //Make update theme global updateTheme = _updateTheme; //Precache placeholder precacheImage(imagesDatabase.placeholderThumb, context); super.initState(); } void _updateTheme() { setState(() { settings.themeData; }); } @override Widget build(BuildContext context) { return MaterialApp( title: 'freezer', theme: settings.themeData, home: WillPopScope( onWillPop: () async { //For some reason AudioServiceWidget caused the app to freeze after 2 back button presses. "fix" if (navigatorKey.currentState.canPop()) { await navigatorKey.currentState.maybePop(); return false; } await MoveToBackground.moveTaskToBack(); return false; }, child: LoginMainWrapper(), ), navigatorKey: mainNavigatorKey, ); } } //Wrapper for login and main screen. class LoginMainWrapper extends StatefulWidget { @override _LoginMainWrapperState createState() => _LoginMainWrapperState(); } class _LoginMainWrapperState extends State { @override void initState() { if (settings.arl != null) { playerHelper.start(); //Load token on background deezerAPI.arl = settings.arl; settings.offlineMode = true; deezerAPI.authorize().then((b) { if (b) setState(() => settings.offlineMode = false); }); } //Global logOut function logOut = _logOut; super.initState(); } Future _logOut() async { setState(() { settings.arl = null; settings.offlineMode = true; deezerAPI = new DeezerAPI(); }); await settings.save(); } @override Widget build(BuildContext context) { if (settings.arl == null) return LoginWidget(callback: () => setState(() => {}),); return MainScreen(); } } class MainScreen extends StatefulWidget { @override _MainScreenState createState() => _MainScreenState(); } class _MainScreenState extends State { List _screens = [ HomeScreen(), SearchScreen(), LibraryScreen() ]; int _selected = 0; @override void initState() { navigatorKey = GlobalKey(); super.initState(); } @override Widget build(BuildContext context) { return Scaffold( bottomNavigationBar: Column( mainAxisSize: MainAxisSize.min, children: [ PlayerBar(), BottomNavigationBar( backgroundColor: Theme.of(context).bottomAppBarColor, currentIndex: _selected, onTap: (int s) async { //Pop all routes until home screen while (navigatorKey.currentState.canPop()) { await navigatorKey.currentState.maybePop(); } await navigatorKey.currentState.maybePop(); setState(() { _selected = s; }); }, selectedItemColor: Theme.of(context).primaryColor, items: [ BottomNavigationBarItem( icon: Icon(Icons.home), title: Text('Home') ), BottomNavigationBarItem( icon: Icon(Icons.search), title: Text('Search'), ), BottomNavigationBarItem( icon: Icon(Icons.library_music), title: Text('Library') ) ], ) ], ), body: AudioServiceWidget( child: CustomNavigator( navigatorKey: navigatorKey, home: _screens[_selected], pageRoute: PageRoutes.materialPageRoute, ), ) ); } }