Lock screen if last use is more than 24 hours ago

src/main/java/de/blau/android/Logic.java

@@ -206,6 +206,11 @@ public enum CursorPaddirection {
      */
     private static final int MAX_RELATION_SELECTION_DEPTH = 5;
 
+    /**
+     * 24 hours in ms
+     */
+    private static final long ONE_DAY_MS = 24 * 3600 * 1000L;
+
     /**
      * Stores the {@link Preferences} as soon as they are available.
      */
@@ -4028,6 +4033,11 @@ void loadEditingState(@NonNull Main main, boolean setViewBox) {
             if (setViewBox) {
                 editState.setViewBox(this, main.getMap());
             }
+            File editStateFile = main.getFileStreamPath(EDITSTATE_FILENAME);
+            if (System.currentTimeMillis() - editStateFile.lastModified() > ONE_DAY_MS) {
+                Log.w(DEBUG_TAG, "App hasn't been run in a long time, locking");
+                main.lock();
+            }
         }
         editingStateRead = true;
     }

src/main/java/de/blau/android/Main.java

@@ -4538,45 +4538,43 @@ private void showFollowButton() {
         }
     }
 
+    /**
+     * Runnable for locking
+     */
+    private Runnable autoLock = () -> lock();
+
     /**
      * Lock screen if we are in a mode in which that can reasonably be done
      */
-    private Runnable autoLock = new Runnable() { // NOSONAR
-        @Override
-        public void run() {
-            if (!App.getLogic().isLocked()) {
-                EasyEditManager manager = getEasyEditManager();
-                boolean elementSelected = manager.inElementSelectedMode() || manager.inNewNoteSelectedMode();
-                if (!manager.isProcessingAction() || elementSelected) {
-                    View lock = getLock();
-                    if (lock != null) {
-                        lock.performClick();
-                    }
-                    if (elementSelected) {
-                        App.getLogic().deselectAll();
-                        map.deselectObjects();
-                        manager.finish();
-                    }
-                } else {
-                    // can't lock now, reschedule
-                    if (prefs != null) {
-                        int delay = prefs.getAutolockDelay();
-                        if (delay > 0) {
-                            map.postDelayed(autoLock, delay);
-                        }
-                    }
-                }
+    public void lock() {
+        if (App.getLogic().isLocked()) {
+            return;
+        }
+        EasyEditManager manager = getEasyEditManager();
+        boolean elementSelected = manager.inElementSelectedMode() || manager.inNewNoteSelectedMode();
+        if (!manager.isProcessingAction() || elementSelected) {
+            View lock = getLock();
+            if (lock != null) {
+                lock.performClick();
+            }
+            if (elementSelected) {
+                App.getLogic().deselectAll();
+                map.deselectObjects();
+                manager.finish();
             }
+        } else {
+            // can't lock now, reschedule
+            scheduleAutoLock();
         }
-    };
+    }
 
     /**
      * Schedule automatic locking of the screen in a configurable time in the future
      */
     public void scheduleAutoLock() {
         map.removeCallbacks(autoLock);
         if (prefs != null) {
-            int delay = prefs.getAutolockDelay();
+            long delay = prefs.getAutolockDelay();
             if (delay > 0) {
                 map.postDelayed(autoLock, delay);
             }

src/main/java/de/blau/android/prefs/Preferences.java

@@ -1173,12 +1173,12 @@ public int getNotificationCacheSize() {
     }
 
     /**
-     * Get the number of seconds we should wait before locking the display
+     * Get the number of milliseconds we should wait before locking the display
      * 
-     * @return delay in seconds till we auto-lock
+     * @return delay in milliseconds till we auto-lock
      */
-    public int getAutolockDelay() {
-        return 1000 * autoLockDelay;
+    public long getAutolockDelay() {
+        return 1000L * autoLockDelay;
     }
 
     /**