home_page.dart
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import 'package:flutter/material.dart';
import 'package:one_poem/account/page/account_page.dart';
import 'package:one_poem/poem/page/poem_page.dart';
import 'package:one_poem/widgets/double_tap_back_exit_app.dart';
import 'package:provider/provider.dart';
import 'package:flutter_gen/gen_l10n/one_poem_localizations.dart';
import 'provider/home_provider.dart';
class Home extends StatefulWidget {
const Home({Key? key}) : super(key: key);
@override
_HomeState createState() => _HomeState();
}
class _HomeState extends State<Home> with RestorationMixin {
late List<Widget> _pageList;
final PageController _pageController = PageController();
HomeProvider provider = HomeProvider();
List<BottomNavigationBarItem>? _list;
@override
void initState() {
super.initState();
initData();
}
@override
void dispose() {
_pageController.dispose();
super.dispose();
}
void initData() {
_pageList = [
const PoemPage(),
const AccountPage(),
];
}
@override
Widget build(BuildContext context) {
return ChangeNotifierProvider<HomeProvider>(
create: (_) => provider,
child: DoubleTapBackExitApp(
child: Scaffold(
floatingActionButton: FloatingActionButton(
onPressed: () {},
tooltip: "发一言",
backgroundColor: Colors.white,
child: const Icon(
Icons.add,
color: Colors.black45,
),
),
floatingActionButtonLocation:
FloatingActionButtonLocation.centerDocked,
bottomNavigationBar: Consumer<HomeProvider>(
builder: (_, provider, __) {
return BottomAppBar(
color: Colors.black45,
shape: const CircularNotchedRectangle(),
child: Row(
mainAxisSize: MainAxisSize.max,
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: <Widget>[
InkWell(
onTap: () {
_pageController.animateToPage(0,
duration: const Duration(milliseconds: 100), curve: Curves.easeOutSine);
},
child: Container(
alignment: Alignment.center,
height: 36.0,
child: Text(
OnePoemLocalizations.of(context)
.onePoemBottomNavigationBarItemTitle,
style: const TextStyle(
color: Colors.white54,
fontSize: 15.0,
),
),
),
),
InkWell(
onTap: () {
_pageController.animateToPage(1,
duration: const Duration(milliseconds: 100), curve: Curves.easeOutSine);
},
child: Container(
alignment: Alignment.center,
height: 36.0,
child: Text(
OnePoemLocalizations.of(context)
.profileBottomNavigationBarItemTitle,
style: const TextStyle(
color: Colors.white54,
fontSize: 15.0,
),
),
),
),
]),
elevation: 5.0,
);
},
),
// 使用PageView的原因参看 https://zhuanlan.zhihu.com/p/58582876
body: PageView(
physics: const NeverScrollableScrollPhysics(), // 禁止滑动
controller: _pageController,
onPageChanged: (int index) => provider.value = index,
children: _pageList,
),
),
),
);
}
@override
String? get restorationId => 'home';
@override
void restoreState(RestorationBucket? oldBucket, bool initialRestore) {
registerForRestoration(provider, 'BottomNavigationBarCurrentIndex');
}
}