fbmobile/lib/ui/views/tabbar_anonymous.dart

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2021-02-02 14:33:23 +00:00
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_translate/flutter_translate.dart';
import '../shared/app_colors.dart';
import 'login_view.dart';
class AnonymousTabBarView extends StatefulWidget {
@override
AnonymousTabBarState createState() => AnonymousTabBarState();
}
class AnonymousTabBarState extends State<AnonymousTabBarView> with SingleTickerProviderStateMixin {
TabController _tabController;
int _currentTabIndex = 0;
List<Widget> _realPages = [LoginView()];
List<Widget> _tabPages = [LoginView()];
List<bool> _hasInit = [true];
List<Widget> _tabsButton = [Tab(icon: Icon(Icons.person_outline, color: Colors.blue), text: translate('tabs.login'))];
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@override
void initState() {
super.initState();
_tabController = TabController(length: _realPages.length, vsync: this)
..addListener(() {
int selectedIndex = _tabController.index;
if (_currentTabIndex != selectedIndex) {
if (!_hasInit[selectedIndex]) {
_tabPages[selectedIndex] = _realPages[selectedIndex];
_hasInit[selectedIndex] = true;
}
setState(() => _currentTabIndex = selectedIndex);
}
});
}
@override
void dispose() {
_tabController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: IndexedStack(index: _currentTabIndex, children: _tabPages),
bottomNavigationBar: BottomAppBar(
child: TabBar(
labelColor: primaryAccentColor,
indicatorColor: Colors.blue,
indicatorWeight: 3.0,
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tabs: _tabsButton,
controller: _tabController,
),
),
);
}
}