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Code Issues Releases Wiki Activity

fix: back button android, return home on tap (#59)

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* fix: back button android, return home on tap

* fix: reuse logic for platforms
This commit is contained in:
Shreyas Thirumalai 2020-04-16 08:59:26 +05:30 committed by GitHub
parent 805f065def
commit 98f102faec
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1 changed files with 49 additions and 6 deletions
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55
lib/home.dart
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@ -26,6 +26,16 @@ class Home extends StatefulWidget {
}
class _HomeState extends State<Home> {
// Created 5 different variables instead of a list as list doesn't work
final GlobalKey<NavigatorState> tab1 = GlobalKey<NavigatorState>();
final GlobalKey<NavigatorState> tab2 = GlobalKey<NavigatorState>();
final GlobalKey<NavigatorState> tab3 = GlobalKey<NavigatorState>();
final GlobalKey<NavigatorState> tab4 = GlobalKey<NavigatorState>();
final GlobalKey<NavigatorState> tab5 = GlobalKey<NavigatorState>();
final List<Widget> screens = List<Widget>();
int active = 0;
_buildScreen(int index) {
@ -174,23 +184,56 @@ class _HomeState extends State<Home> {
}
}
GlobalKey<NavigatorState> getNavigatorKey(int index) {
switch(index) {
case 0:
return tab1;
case 1:
return tab2;
case 2:
return tab3;
case 3:
return tab4;
case 4:
return tab5;
}
return tab1;
}
@override
Widget build(BuildContext context) {
final theme = Provider.of<ThemeModel>(context);
final auth = Provider.of<AuthModel>(context);
final CupertinoTabController _controller = CupertinoTabController();
if (auth.activeAccount == null) {
return LoginScreen();
}
switch (theme.theme) {
case AppThemeType.cupertino:
return CupertinoTabScaffold(
tabBar: CupertinoTabBar(items: _navigationItems),
tabBuilder: (context, index) {
return CupertinoTabView(builder: (context) {
return _buildScreen(index);
});
return WillPopScope(
onWillPop: () async {
return !await getNavigatorKey(_controller.index).currentState.maybePop();
},
child: CupertinoTabScaffold(
controller: _controller,
tabBuilder: (context, index) {
return CupertinoTabView(
navigatorKey: getNavigatorKey(index),
builder: (context) {
return _buildScreen(index);
}
);
},
tabBar: CupertinoTabBar(items: _navigationItems,
onTap: (index) {
if(active == index) {
getNavigatorKey(index).currentState.popUntil((route) => route.isFirst);
}
active = index;
}
)
)
);
default:
return Scaffold(