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Fix login page error message shown on initial load

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Add auto-retry logic in KretenLoginWidget so that the first web
resource error silently retries once before showing the error UI.
This prevents the error message from appearing immediately when the
e-KRÉTA server is briefly unreachable (e.g., transient network
issues), resolving the App Store Guideline 2.1(a) rejection.

https://claude.ai/code/session_016dhktF2DaoTQeifUaZrxbP
This commit is contained in:
devbeni
2026-03-15 14:39:40 +00:00
parent cd0026e4c7
commit 84e8346ccc
1 changed files with 24 additions and 0 deletions
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24
refilc_mobile_ui/lib/screens/login/kreten_login.dart
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@@ -45,6 +45,8 @@ class _KretenLoginWidgetState extends State<KretenLoginWidget>
String _errorMessage = '';
bool _hasTimedOut = false;
Timer? _timeoutTimer;
int _autoRetryCount = 0;
static const int _maxAutoRetries = 1;
static const _loginUrl =
'https://idp.e-kreta.hu/connect/authorize?prompt=login&nonce=wylCrqT4oN6PPgQn2yQB0euKei9nJeZ6_ffJ-VpSKZU&response_type=code&code_challenge_method=S256&scope=openid%20email%20offline_access%20kreta-ellenorzo-webapi.public%20kreta-eugyintezes-webapi.public%20kreta-fileservice-webapi.public%20kreta-mobile-global-webapi.public%20kreta-dkt-webapi.public%20kreta-ier-webapi.public&code_challenge=HByZRRnPGb-Ko_wTI7ibIba1HQ6lor0ws4bcgReuYSQ&redirect_uri=https://mobil.e-kreta.hu/ellenorzo-student/prod/oauthredirect&client_id=kreta-ellenorzo-student-mobile-ios&state=refilc_student_mobile';
@@ -110,6 +112,7 @@ class _KretenLoginWidgetState extends State<KretenLoginWidget>
}
});
_autoRetryCount = 0;
_startTimeoutTimer();
},
onProgress: (progress) {
@@ -141,6 +144,14 @@ class _KretenLoginWidgetState extends State<KretenLoginWidget>
if (!mounted) return;
// Auto-retry once on first error before showing the error UI,
// to handle transient network issues on initial load.
if (_autoRetryCount < _maxAutoRetries) {
_autoRetryCount++;
_retryLoad();
return;
}
setState(() {
_hasError = true;
_errorMessage = error.description;
@@ -165,6 +176,18 @@ class _KretenLoginWidgetState extends State<KretenLoginWidget>
});
}
void _retryLoad() {
setState(() {
_hasError = false;
_errorMessage = '';
_hasTimedOut = false;
_initialPageLoaded = false;
loadingPercentage = 0;
});
controller.loadRequest(Uri.parse(_loginUrl));
_startTimeoutTimer();
}
void _retry() {
setState(() {
_hasError = false;
@@ -174,6 +197,7 @@ class _KretenLoginWidgetState extends State<KretenLoginWidget>
loadingPercentage = 0;
_hasFadedIn = false;
});
_autoRetryCount = 0;
_animationController.reset();
controller.loadRequest(Uri.parse(_loginUrl));
_startTimeoutTimer();