morpheus 1.2.3 morpheus: ^1.2.3 copied to clipboard
A Flutter package for easily implementing Material Design navigation transitions.
import 'package:flutter/material.dart';
import 'package:morpheus/morpheus.dart';
void main() => runApp(const MyApp());
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
const colorScheme = ColorScheme.light();
return MaterialApp(
theme: ThemeData(
colorScheme: colorScheme,
primaryColor: colorScheme.primary,
scaffoldBackgroundColor: colorScheme.background,
),
title: 'Morpheus example app',
onGenerateRoute: (settings) {
switch (settings.name) {
case '/profile':
return MorpheusPageRoute(
builder: (_) => const ProfileScreen(),
settings: settings,
);
case '/settings':
return MorpheusPageRoute(
builder: (_) => SettingsScreen(),
settings: settings,
);
case '/settings/cookies':
return MorpheusPageRoute(
builder: (_) => const CookiesScreen(),
settings: settings,
);
case '/create':
return MorpheusPageRoute(
builder: (_) => const CreateScreen(),
settings: settings,
);
case '/':
default:
return MorpheusPageRoute(
builder: (_) => const HomeScreen(),
settings: settings,
);
}
},
);
}
}
class HomeScreen extends StatefulWidget {
const HomeScreen({Key? key}) : super(key: key);
@override
_HomeScreenState createState() => _HomeScreenState();
}
class _HomeScreenState extends State<HomeScreen> {
final profileKey = GlobalKey();
final settingsKey = GlobalKey();
final createKey = GlobalKey();
int _currentIndex = 0;
@override
Widget build(BuildContext context) {
return Scaffold(
body: MorpheusTabView(
child: <Widget>[
const ProfileScreen(
key: Key('profile'),
),
SettingsScreen(
key: const Key('settings'),
),
][_currentIndex],
),
floatingActionButtonLocation: FloatingActionButtonLocation.centerFloat,
floatingActionButton: FloatingActionButton.extended(
key: createKey,
icon: const Icon(Icons.add),
label: const Text('Create'),
onPressed: () => Navigator.of(context).pushNamed(
'/create',
arguments: MorpheusRouteArguments(
parentKey: createKey,
transitionColor:
Theme.of(context).floatingActionButtonTheme.backgroundColor,
borderRadius: BorderRadius.circular(24.0),
),
),
),
bottomNavigationBar: BottomNavigationBar(
currentIndex: _currentIndex,
onTap: (index) => setState(() => _currentIndex = index),
items: const [
BottomNavigationBarItem(
icon: Icon(Icons.account_circle),
label: 'Profile',
),
BottomNavigationBarItem(
icon: Icon(Icons.settings),
label: 'Settings',
),
],
),
);
}
}
class ProfileScreen extends StatelessWidget {
const ProfileScreen({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Profile'),
),
);
}
}
class SettingsScreen extends StatelessWidget {
SettingsScreen({Key? key}) : super(key: key);
final cookiesKey = GlobalKey();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Settings'),
),
body: ListView(
children: <Widget>[
ListTile(
key: cookiesKey,
title: const Text('Cookies'),
onTap: () => Navigator.of(context).pushNamed(
'/settings/cookies',
arguments: MorpheusRouteArguments(
parentKey: cookiesKey,
),
),
),
const Divider(height: 1.0),
],
),
);
}
}
class CreateScreen extends StatelessWidget {
const CreateScreen({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return const Scaffold(
body: CustomScrollView(
slivers: <Widget>[
SliverAppBar(
title: Text('Create'),
expandedHeight: 224.0,
),
],
),
);
}
}
class CookiesScreen extends StatelessWidget {
const CookiesScreen({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return const Scaffold(
body: CustomScrollView(
slivers: <Widget>[
SliverAppBar(
title: Text('Cookies'),
expandedHeight: 224.0,
),
],
),
);
}
}