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Added an exit dialogue in mainwrapper.dart #1

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Added an exit dialogue in mainwrapper.dart #1

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34 changes: 25 additions & 9 deletions lib/mainwrapper.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -19,16 +19,32 @@ class MainWrapperState extends State<MainWrapper> {
];

Future<bool> _systemBackButtonPressed() async {
if (_navigatorKeys[_selectedIndex].currentState?.canPop() == true) {
_navigatorKeys[_selectedIndex]
.currentState
?.pop(_navigatorKeys[_selectedIndex].currentContext);
return false;
} else {
SystemChannels.platform.invokeMethod<void>('SystemNavigator.pop');
return true; // Indicate that the back action is handled
}
if (_navigatorKeys[_selectedIndex].currentState?.canPop() == true) {
_navigatorKeys[_selectedIndex]
.currentState
?.pop(_navigatorKeys[_selectedIndex].currentContext);
return false;
} else {
return await showDialog(
context: context,
builder: (context) => AlertDialog(
title: Text('Exit App'),
content: Text('Do you really want to exit the app?'),
actions: <Widget>[
TextButton(
onPressed: () => Navigator.of(context).pop(false),
child: Text('No'),
),
TextButton(
onPressed: () => SystemChannels.platform.invokeMethod<void>('SystemNavigator.pop'),
child: Text('Yes'),
),
],
),
) ?? false;
}
}


@override
Widget build(BuildContext context) {
Expand Down