fix: permission screen location request - request WhenInUse first then Always

lib/permission_screen.dart

@@ -56,32 +56,54 @@ class _PermissionScreenState extends State<PermissionScreen> {
       _locationGranted && _notificationGranted && _batteryOptOut;
 
   Future<void> _requestLocation() async {
-    final status = await Permission.locationAlways.request();
+    // Check current status first
+    var status = await Permission.locationAlways.status;
+    if (status.isGranted) {
+      if (mounted) setState(() => _locationGranted = true);
+      return;
+    }
+
+    // On Android, request locationWhenInUse first before locationAlways
+    var whenInUse = await Permission.locationWhenInUse.status;
+    if (!whenInUse.isGranted) {
+      whenInUse = await Permission.locationWhenInUse.request();
+    }
+
+    // Now request locationAlways (background permission)
+    status = await Permission.locationAlways.request();
+
     if (!status.isGranted && status.isPermanentlyDenied) {
-      // Permission permanently denied - open app settings
       await openAppSettings();
     }
+
+    final finalStatus = await Permission.locationAlways.status;
     if (mounted) {
-      final newStatus = await Permission.locationAlways.status;
+      setState(() => _locationGranted = finalStatus.isGranted);
-      setState(() => _locationGranted = newStatus.isGranted);
     }
   }
 
   Future<void> _requestNotification() async {
-    final status = await Permission.notification.request();
+    var status = await Permission.notification.status;
+    if (status.isGranted) {
+      if (mounted) setState(() => _notificationGranted = true);
+      return;
+    }
+
+    status = await Permission.notification.request();
+
     if (!status.isGranted && status.isPermanentlyDenied) {
       await openAppSettings();
     }
+
+    final finalStatus = await Permission.notification.status;
     if (mounted) {
-      final newStatus = await Permission.notification.status;
+      setState(() => _notificationGranted = finalStatus.isGranted);
-      setState(() => _notificationGranted = newStatus.isGranted);
     }
   }
 
   Future<void> _requestBatteryOptOut() async {
     final opened = await LocationBridge.openBatteryOptimizationSettings();
     if (mounted) {
-      // Show dialog after the settings screen opens
       _showBatteryOptDialog(opened);
     }
   }
@@ -109,8 +131,8 @@ class _PermissionScreenState extends State<PermissionScreen> {
         content: Text(
           settingsOpened
               ? 'A settings screen has opened.\n\n'
-                    'Find "Traccar Client" and set it to "Don\'t optimize" or "Unrestricted", then come back and tap DONE below.'
+                    'Find "Traccar Client" and set it to "Don\'t optimize" or "Unrestricted", then come back and tap CHECK & DONE.'
-              : 'Open Settings → Apps → Traccar Client → Battery and select "Don\'t optimize" or "Unrestricted", then come back and tap DONE below.',
+              : 'Open Settings → Apps → Traccar Client → Battery and select "Don\'t optimize" or "Unrestricted", then come back and tap CHECK & DONE.',
           style: const TextStyle(
             fontFamily: 'monospace',
             fontSize: 12,
@@ -121,7 +143,6 @@ class _PermissionScreenState extends State<PermissionScreen> {
           TextButton(
             onPressed: () {
               Navigator.pop(ctx);
-              // Open app details settings as fallback
               openAppSettings();
             },
             child: const Text(
@@ -138,7 +159,6 @@ class _PermissionScreenState extends State<PermissionScreen> {
           TextButton(
             onPressed: () async {
               Navigator.pop(ctx);
-              // Re-check battery optimization state via native
               final disabled = await _isBatteryOptimizationDisabled();
               if (mounted) {
                 setState(() => _batteryOptOut = disabled);
@@ -273,8 +293,8 @@ class _PermissionScreenState extends State<PermissionScreen> {
               size: 20,
             ),
           ),
-          SizedBox(width: 14),
+          const SizedBox(width: 14),
-          Expanded(
+          const Expanded(
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [