Flushing icons of the wrong size. (Bug 11203738)

Change-Id: I9468d2e798fcf9890970270041d341e7653432f1

src/com/android/launcher3/IconCache.java

@@ -146,6 +146,20 @@ public class IconCache {
         }
     }
 
+    /**
+     * Empty out the cache that aren't of the correct grid size
+     */
+    public void flushInvalidIcons(DeviceProfile grid) {
+        synchronized (mCache) {
+            for (ComponentName cn : mCache.keySet()) {
+                final CacheEntry e = mCache.get(cn);
+                if (e.icon.getWidth() != grid.iconSizePx || e.icon.getHeight() != grid.iconSizePx) {
+                    mCache.remove(cn);
+                }
+            }
+        }
+    }
+
     /**
      * Fill in "application" with the icon and label for "info."
      */

src/com/android/launcher3/Launcher.java

@@ -402,6 +402,7 @@ public class Launcher extends Activity
                 Context.MODE_PRIVATE);
         mModel = app.setLauncher(this);
         mIconCache = app.getIconCache();
+        mIconCache.flushInvalidIcons(grid);
         mDragController = new DragController(this);
         mInflater = getLayoutInflater();