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Added AlertDialogs for user feedback

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This commit is contained in:
Felix Kirchner
2025-05-01 00:56:13 +02:00
parent 22ac2efea2
commit 6ad69671db
3 changed files with 50 additions and 13 deletions
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8
lib/utility/local_storage_service.dart
View File

@@ -68,7 +68,7 @@ class LocalStorageService {
}
/// Opens the file picker to save a JSON file with the current game data.
static Future<void> exportJsonFile() async {
static Future<bool> exportJsonFile() async {
final jsonString = getJsonFile();
try {
final bytes = Uint8List.fromList(utf8.encode(jsonString));
@@ -79,14 +79,18 @@ class LocalStorageService {
mimeType: MimeType.json,
);
print('Datei gespeichert: $result');
return true;
} catch (e) {
print('Fehler beim Speichern: $e');
return false;
}
}
/// Opens the file picker to import a JSON file and loads the game data from it.
static Future<bool> importJsonFile() async {
try {
final result = await FilePicker.platform.pickFiles(
dialogTitle: 'Wähle eine Datei mit Spieldaten aus',
type: FileType.custom,
allowedExtensions: ['json'],
);
@@ -108,7 +112,7 @@ class LocalStorageService {
return true;
} else {
print('Der Dialog wurde abgebrochen');
return false;
return true;
}
} catch (e) {
print('Fehler beim Importieren: $e');

39
lib/views/information_view.dart
View File

@@ -83,11 +83,46 @@ class InformationView extends StatelessWidget {
],
),
CupertinoButton(
sizeStyle: CupertinoButtonSize.medium,
child: const Text('Spieldaten exportieren'),
onPressed: () => LocalStorageService.exportJsonFile()),
onPressed: () async =>
await LocalStorageService.exportJsonFile()
? null
: showCupertinoDialog(
context: context,
builder: (context) => CupertinoAlertDialog(
title: const Text('Fehler'),
content: const Text(
'Datei konnte nicht exportiert werden.'),
actions: [
CupertinoDialogAction(
child: const Text('OK'),
onPressed: () =>
Navigator.pop(context),
),
],
))),
CupertinoButton(
sizeStyle: CupertinoButtonSize.medium,
child: const Text('Spieldaten importieren'),
onPressed: () => LocalStorageService.importJsonFile()),
onPressed: () async => {
await LocalStorageService.importJsonFile()
? null
: showCupertinoDialog(
context: context,
builder: (context) => CupertinoAlertDialog(
title: const Text('Fehler'),
content: const Text(
'Datei konnte nicht importiert werden.'),
actions: [
CupertinoDialogAction(
child: const Text('OK'),
onPressed: () =>
Navigator.pop(context),
),
],
))
}),
],
),
Positioned(