sorting fix

lib/main.dart

@@ -43,6 +43,8 @@ class _MyAppState extends State<MyApp> {
 
   Future<void> _loadSettings() async {
     SharedPreferences prefs = await SharedPreferences.getInstance();
+    bool? savedSorting = prefs.getBool('sortAlphabetically');
+    print('Saved sorting: $savedSorting'); // Debug print
     setState(() {
       settings.showTags = prefs.getBool('showTags') ?? true;
       settings.showIcons = prefs.getBool('showIcons') ?? true;
@@ -98,12 +100,14 @@ class AppInfo {
   final String name;
   final String packageName;
   final List<String> tags;
+  DateTime? lastUsed; // New field to track last used time
 
   AppInfo({
     this.icon,
     required this.name,
     required this.packageName,
     required this.tags,
+    this.lastUsed,
   });
 }
 
@@ -131,25 +135,31 @@ class _AppLauncherScreenState extends State<AppLauncherScreen> {
   }
 
   Future<void> _loadInstalledApps() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
     List<Application> installedApps = await DeviceApps.getInstalledApplications(
       includeAppIcons: true,
       onlyAppsWithLaunchIntent: true,
     );
 
     List<AppInfo> loadedApps = installedApps.map((app) {
+      final lastUsedMillis = prefs.getInt("lastUsed_${app.packageName}");
       return AppInfo(
         icon: app is ApplicationWithIcon ? app.icon : null,
         name: app.appName,
         packageName: app.packageName,
         tags: [],
+        lastUsed: lastUsedMillis != null
+            ? DateTime.fromMillisecondsSinceEpoch(lastUsedMillis)
+            : null,
       );
     }).toList();
 
     setState(() {
       apps = loadedApps;
-      filteredApps = apps;
       isLoading = false;
     });
+    // Force initial sorting (by last used if sortAlphabetically is false)
+    _filterApps();
   }
 
   void _filterApps() {
@@ -163,17 +173,38 @@ class _AppLauncherScreenState extends State<AppLauncherScreen> {
 
       if (widget.settings.sortAlphabetically) {
         filteredApps.sort((a, b) => a.name.compareTo(b.name));
+        print('Sorting alphabetically');
+      } else {
+        filteredApps.sort((a, b) {
+          // If both have a lastUsed timestamp, sort descending.
+          if (a.lastUsed != null && b.lastUsed != null) {
+            int cmp = b.lastUsed!.compareTo(a.lastUsed!);
+            if (cmp != 0) return cmp;
+            return a.name.compareTo(b.name);
           }
-
+          // If one has a timestamp, that one comes first.
-      if (filteredApps.length == 1 && query.isNotEmpty) {
+          if (a.lastUsed != null) return -1;
-        _launchApp(filteredApps.first);
+          if (b.lastUsed != null) return 1;
+          // Both null: fallback alphabetical.
+          return a.name.compareTo(b.name);
+        });
+        print('Sorting by last used, with fallback alphabetical');
       }
     });
   }
 
   Future<void> _launchApp(AppInfo app) async {
     bool launched = await DeviceApps.openApp(app.packageName);
-    if (!launched) {
+    if (launched) {
+      DateTime now = DateTime.now();
+      SharedPreferences prefs = await SharedPreferences.getInstance();
+      await prefs.setInt("lastUsed_${app.packageName}", now.millisecondsSinceEpoch);
+      // Update the lastUsed timestamp and re-sort immediately.
+      setState(() {
+        app.lastUsed = now;
+        _filterApps();
+      });
+    } else {
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(content: Text('Could not launch ${app.name}')),
       );
@@ -199,7 +230,8 @@ class _AppLauncherScreenState extends State<AppLauncherScreen> {
   }
 
   void _editAppTags(AppInfo app) {
-    TextEditingController tagController = TextEditingController(text: app.tags.join(" "));
+    TextEditingController tagController =
+    TextEditingController(text: app.tags.join(" "));
     showDialog(
       context: context,
       builder: (_) => AlertDialog(
@@ -216,7 +248,8 @@ class _AppLauncherScreenState extends State<AppLauncherScreen> {
               setState(() {
                 app.tags
                   ..clear()
-                  ..addAll(tagController.text.split(" ").where((t) => t.isNotEmpty));
+                  ..addAll(
+                      tagController.text.split(" ").where((t) => t.isNotEmpty));
               });
               Navigator.of(context).pop();
               _filterApps();
@@ -336,36 +369,54 @@ class _AppLauncherScreenState extends State<AppLauncherScreen> {
                 PopupMenuItem<String>(
                   value: 'Toggle Tags',
                   child: ListTile(
-                    leading: Icon(widget.settings.showTags ? Icons.short_text : Icons.tag),
+                    leading: Icon(widget.settings.showTags
-                    title: Text(widget.settings.showTags ? 'Hide Tags' : 'Show Tags'),
+                        ? Icons.short_text
+                        : Icons.tag),
+                    title: Text(widget.settings.showTags
+                        ? 'Hide Tags'
+                        : 'Show Tags'),
                   ),
                 ),
                 PopupMenuItem<String>(
                   value: 'Toggle Icons',
                   child: ListTile(
-                    leading: Icon(widget.settings.showIcons ? Icons.apps : Icons.apps_outlined),
+                    leading: Icon(widget.settings.showIcons
-                    title: Text(widget.settings.showIcons ? 'Hide Icons' : 'Show Icons'),
+                        ? Icons.apps
+                        : Icons.apps_outlined),
+                    title: Text(widget.settings.showIcons
+                        ? 'Hide Icons'
+                        : 'Show Icons'),
                   ),
                 ),
                 PopupMenuItem<String>(
                   value: 'Toggle Color Icons',
                   child: ListTile(
                     leading: Icon(Icons.palette),
-                    title: Text(widget.settings.colorIcons ? 'Use Monochrome Icons' : 'Use Color Icons'),
+                    title: Text(widget.settings.colorIcons
+                        ? 'Use Monochrome Icons'
+                        : 'Use Color Icons'),
                   ),
                 ),
                 PopupMenuItem<String>(
                   value: 'Toggle Theme',
                   child: ListTile(
-                    leading: Icon(widget.settings.darkTheme ? Icons.light_mode : Icons.dark_mode),
+                    leading: Icon(widget.settings.darkTheme
-                    title: Text(widget.settings.darkTheme ? 'Switch to Light Mode' : 'Switch to Dark Mode'),
+                        ? Icons.light_mode
+                        : Icons.dark_mode),
+                    title: Text(widget.settings.darkTheme
+                        ? 'Switch to Light Mode'
+                        : 'Switch to Dark Mode'),
                   ),
                 ),
                 PopupMenuItem<String>(
                   value: 'Toggle Sorting',
                   child: ListTile(
-                    leading: Icon(widget.settings.sortAlphabetically ? Icons.access_time : Icons.sort_by_alpha),
+                    leading: Icon(widget.settings.sortAlphabetically
-                    title: Text(widget.settings.sortAlphabetically ? 'List by Last Used' : 'List Alphabetically'),
+                        ? Icons.access_time
+                        : Icons.sort_by_alpha),
+                    title: Text(widget.settings.sortAlphabetically
+                        ? 'Sort Alphabetically'
+                        : 'Sort by Last Used'),
                   ),
                 ),
               ],
@@ -395,9 +446,11 @@ class _AppLauncherScreenState extends State<AppLauncherScreen> {
               child: Icon(Icons.info, color: Colors.white),
             ),
             child: ListTile(
-              leading: widget.settings.showIcons ? _buildAppIcon(app) : null,
+              leading:
+              widget.settings.showIcons ? _buildAppIcon(app) : null,
               title: Text(app.name),
-              subtitle: widget.settings.showTags ? Text(app.tags.join(" ")) : null,
+              subtitle:
+              widget.settings.showTags ? Text(app.tags.join(" ")) : null,
               onTap: () => _launchApp(app),
             ),
           );