defaultPermissionUI method
A default UI widget for handling permission requests.
This widget displays a UI that prompts the user to grant a specific
permission. It takes a BuildContext and a requestPermission function
that handles the permission request logic.
-
Parameters:
- context: The build context in which the widget is built.
- requestPermission: A function that takes a BuildContext and returns a Future that handles the permission request.
-
Returns: A Widget that displays the permission request UI.
Implementation
Widget defaultPermissionUI(
BuildContext context,
Future<dynamic> Function(BuildContext) requestPermission,
) {
return Scaffold(
appBar: AppBar(
title: const Text('Permission Required'),
),
body: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Text('Camera permission is required to use this feature'),
const SizedBox(height: 16),
ElevatedButton(
onPressed: () async {
final permissionStatus = await requestPermission(context);
switch (permissionStatus.toString()) {
case 'PermissionStatus.denied':
WidgetsBinding.instance.addPostFrameCallback((_) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text(
'You need to grant permission to use this feature'),
),
);
});
break;
case 'PermissionStatus.permanentlyDenied':
WidgetsBinding.instance.addPostFrameCallback((_) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text(
'You need to grant permission from settings'),
),
);
});
break;
default:
break;
}
},
child: const Text('Grant Camera Permission'),
),
],
),
),
);
}