course-work/lib/ui/root.dart

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import 'package:flutter/material.dart';
import 'package:selfprivacy/logic/appsettingscubit.dart';
import 'package:selfprivacy/ui/brandtabbar.dart';
import 'package:selfprivacy/ui/courierspage.dart';
import 'package:selfprivacy/ui/itemspage.dart';
import 'package:selfprivacy/ui/orderspage.dart';
class RootPage extends StatefulWidget {
const RootPage({super.key});
@override
State<RootPage> createState() => _RootPageState();
}
class _RootPageState extends State<RootPage> with TickerProviderStateMixin {
late TabController tabController;
late final AnimationController _controller = AnimationController(
duration: const Duration(milliseconds: 400),
vsync: this,
);
@override
void initState() {
tabController = TabController(length: 3, vsync: this);
tabController.addListener(() {
setState(() {
tabController.index == 2
? _controller.forward()
: _controller.reverse();
});
});
super.initState();
}
@override
void dispose() {
tabController.dispose();
_controller.dispose();
super.dispose();
}
@override
Widget build(final BuildContext context) => SafeArea(
child: Provider<ChangeTab>(
create: (final _) => ChangeTab(tabController.animateTo),
child: Scaffold(
body: TabBarView(
controller: tabController,
children: const [
ItemsPage(),
CouriersPage(),
OrdersPage(),
],
),
bottomNavigationBar: BrandTabBar(
controller: tabController,
),
),
),
);
}
class ChangeTab {
ChangeTab(this.onPress);
final ValueChanged<int> onPress;
}