am ec8345a1: When the launcher is paused and we reload stuff in the background, we need to re-re-load it in onResume.

src/com/android/launcher2/Launcher.java

@@ -195,6 +195,7 @@ public final class Launcher extends Activity
     private boolean mPaused = true;
     private boolean mRestoring;
     private boolean mWaitingForResult;
+    private boolean mOnResumeNeedsLoad;
 
     private Bundle mSavedInstanceState;
 
@@ -585,19 +586,19 @@ public final class Launcher extends Activity
     @Override
     protected void onResume() {
         super.onResume();
-
         mPaused = false;
-
-        if (mRestoring) {
+        if (mRestoring || mOnResumeNeedsLoad) {
             mWorkspaceLoading = true;
             mModel.startLoader(this, true);
             mRestoring = false;
+            mOnResumeNeedsLoad = false;
         }
     }
 
     @Override
     protected void onPause() {
         super.onPause();
+        mPaused = true;
         dismissPreview(mPreviousView);
         dismissPreview(mNextView);
         mDragController.cancelDrag();
@@ -2126,6 +2127,30 @@ public final class Launcher extends Activity
         }
     }
 
+    /**
+     * If the activity is currently paused, signal that we need to re-run the loader
+     * in onResume.
+     *
+     * This needs to be called from incoming places where resources might have been loaded
+     * while we are paused.  That is becaues the Configuration might be wrong
+     * when we're not running, and if it comes back to what it was when we
+     * were paused, we are not restarted.
+     *
+     * Implementation of the method from LauncherModel.Callbacks.
+     *
+     * @return true if we are currently paused.  The caller might be able to
+     * skip some work in that case since we will come back again.
+     */
+    public boolean setLoadOnResume() {
+        if (mPaused) {
+            Log.i(TAG, "setLoadOnResume");
+            mOnResumeNeedsLoad = true;
+            return true;
+        } else {
+            return false;
+        }
+    }
+
     /**
      * Implementation of the method from LauncherModel.Callbacks.
      */
@@ -2170,6 +2195,8 @@ public final class Launcher extends Activity
      */
     public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end) {
 
+        setLoadOnResume();
+
         final Workspace workspace = mWorkspace;
 
         for (int i=start; i<end; i++) {
@@ -2207,6 +2234,7 @@ public final class Launcher extends Activity
      * Implementation of the method from LauncherModel.Callbacks.
      */
     public void bindFolders(HashMap<Long, FolderInfo> folders) {
+        setLoadOnResume();
         sFolders.clear();
         sFolders.putAll(folders);
     }
@@ -2217,6 +2245,8 @@ public final class Launcher extends Activity
      * Implementation of the method from LauncherModel.Callbacks.
      */
     public void bindAppWidget(LauncherAppWidgetInfo item) {
+        setLoadOnResume();
+
         final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0;
         if (DEBUG_WIDGETS) {
             Log.d(TAG, "bindAppWidget: " + item);
@@ -2253,6 +2283,8 @@ public final class Launcher extends Activity
      * Implementation of the method from LauncherModel.Callbacks.
      */
     public void finishBindingItems() {
+        setLoadOnResume();
+
         if (mSavedState != null) {
             if (!mWorkspace.hasFocus()) {
                 mWorkspace.getChildAt(mWorkspace.getCurrentScreen()).requestFocus();
@@ -2298,6 +2330,7 @@ public final class Launcher extends Activity
      * Implementation of the method from LauncherModel.Callbacks.
      */
     public void bindAppsAdded(ArrayList<ApplicationInfo> apps) {
+        setLoadOnResume();
         removeDialog(DIALOG_CREATE_SHORTCUT);
         mAllAppsGrid.addApps(apps);
     }
@@ -2308,6 +2341,7 @@ public final class Launcher extends Activity
      * Implementation of the method from LauncherModel.Callbacks.
      */
     public void bindAppsUpdated(ArrayList<ApplicationInfo> apps) {
+        setLoadOnResume();
         removeDialog(DIALOG_CREATE_SHORTCUT);
         mWorkspace.updateShortcuts(apps);
         mAllAppsGrid.updateApps(apps);

src/com/android/launcher2/LauncherModel.java

@@ -96,6 +96,7 @@ public class LauncherModel extends BroadcastReceiver {
     private Bitmap mDefaultIcon;
 
     public interface Callbacks {
+        public boolean setLoadOnResume();
         public int getCurrentWorkspaceScreen();
         public void startBinding();
         public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end);
@@ -349,7 +350,19 @@ public class LauncherModel extends BroadcastReceiver {
             String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST);
             enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packages));
             // Then, rebind everything.
-            startLoader(mApp, false);
+            boolean runLoader = true;
+            if (mCallbacks != null) {
+                Callbacks callbacks = mCallbacks.get();
+                if (callbacks != null) {
+                    // If they're paused, we can skip loading, because they'll do it again anyway
+                    if (callbacks.setLoadOnResume()) {
+                        runLoader = false;
+                    }
+                }
+            }
+            if (runLoader) {
+                startLoader(mApp, false);
+            }
 
         } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) {
             String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST);