Adding support for managed profiles in widget

issue: 16892811

Change-Id: If8c81f2a5a3bc846b02a5d225c5a8f27b1382dab

11 files changed, 480 insertions, 257 deletions

diff --git a/src/com/android/launcher3/AppsCustomizePagedView.java b/src/com/android/launcher3/AppsCustomizePagedView.java
index 1ab11ee8a..9f9c34bf4 100644
--- a/src/com/android/launcher3/AppsCustomizePagedView.java
+++ b/src/com/android/launcher3/AppsCustomizePagedView.java
@@ -28,7 +28,6 @@ import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
-import android.graphics.Canvas;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
@@ -49,6 +48,7 @@ import android.widget.ImageView;
 import android.widget.Toast;
 
 import com.android.launcher3.DropTarget.DragObject;
+import com.android.launcher3.compat.AppWidgetManagerCompat;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -176,7 +176,6 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
     private int mClingFocusedY;
 
     // Caching
-    private Canvas mCanvas;
     private IconCache mIconCache;
 
     // Dimens
@@ -224,13 +223,10 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
         mApps = new ArrayList<AppInfo>();
         mWidgets = new ArrayList<Object>();
         mIconCache = (LauncherAppState.getInstance()).getIconCache();
-        mCanvas = new Canvas();
         mRunningTasks = new ArrayList<AppsCustomizeAsyncTask>();
 
         // Save the default widget preview background
         TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.AppsCustomizePagedView, 0, 0);
-        LauncherAppState app = LauncherAppState.getInstance();
-        DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
         mWidgetCountX = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountX, 2);
         mWidgetCountY = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountY, 2);
         mClingFocusedX = a.getInt(R.styleable.AppsCustomizePagedView_clingFocusedX, 0);
@@ -391,7 +387,6 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
                 if (!app.shouldShowAppOrWidgetProvider(widget.provider)) {
                     continue;
                 }
-                widget.label = widget.label.trim();
                 if (widget.minWidth > 0 && widget.minHeight > 0) {
                     // Ensure that all widgets we show can be added on a workspace of this size
                     int[] spanXY = Launcher.getSpanForWidget(mLauncher, widget);
@@ -520,18 +515,9 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
             @Override
             public void run() {
                 mWidgetLoadingId = mLauncher.getAppWidgetHost().allocateAppWidgetId();
-                // Options will be null for platforms with JB or lower, so this serves as an
-                // SDK level check.
-                if (options == null) {
-                    if (AppWidgetManager.getInstance(mLauncher).bindAppWidgetIdIfAllowed(
-                            mWidgetLoadingId, info.componentName)) {
-                        mWidgetCleanupState = WIDGET_BOUND;
-                    }
-                } else {
-                    if (AppWidgetManager.getInstance(mLauncher).bindAppWidgetIdIfAllowed(
-                            mWidgetLoadingId, info.componentName, options)) {
-                        mWidgetCleanupState = WIDGET_BOUND;
-                    }
+                if(AppWidgetManagerCompat.getInstance(mLauncher).bindAppWidgetIdIfAllowed(
+                        mWidgetLoadingId, pInfo, options)) {
+                    mWidgetCleanupState = WIDGET_BOUND;
                 }
             }
         };
@@ -659,9 +645,8 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
 
             int[] previewSizeBeforeScale = new int[1];
 
-            preview = getWidgetPreviewLoader().generateWidgetPreview(createWidgetInfo.componentName,
-                    createWidgetInfo.previewImage, createWidgetInfo.icon, spanX, spanY,
-                    maxWidth, maxHeight, null, previewSizeBeforeScale);
+            preview = getWidgetPreviewLoader().generateWidgetPreview(createWidgetInfo.info,
+                    spanX, spanY, maxWidth, maxHeight, null, previewSizeBeforeScale);
 
             // Compare the size of the drag preview to the preview in the AppsCustomize tray
             int previewWidthInAppsCustomize = Math.min(previewSizeBeforeScale[0],
@@ -678,15 +663,7 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
         } else {
             PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) v.getTag();
             Drawable icon = mIconCache.getFullResIcon(createShortcutInfo.shortcutActivityInfo);
-            preview = Bitmap.createBitmap(icon.getIntrinsicWidth(),
-                    icon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
-
-            mCanvas.setBitmap(preview);
-            mCanvas.save();
-            WidgetPreviewLoader.renderDrawableToBitmap(icon, preview, 0, 0,
-                    icon.getIntrinsicWidth(), icon.getIntrinsicHeight());
-            mCanvas.restore();
-            mCanvas.setBitmap(null);
+            preview = Utilities.createIconBitmap(icon, mLauncher);
             createItemInfo.spanX = createItemInfo.spanY = 1;
         }
 
diff --git a/src/com/android/launcher3/IconCache.java b/src/com/android/launcher3/IconCache.java
index 06b77756d..76a85caae 100644
--- a/src/com/android/launcher3/IconCache.java
+++ b/src/com/android/launcher3/IconCache.java
@@ -146,6 +146,10 @@ public class IconCache {
         return getFullResDefaultActivityIcon();
     }
 
+    public int getFullResIconDpi() {
+        return mIconDpi;
+    }
+
     public Drawable getFullResIcon(ResolveInfo info) {
         return getFullResIcon(info.activityInfo);
     }
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index b8571008b..5d9ff1d55 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -99,6 +99,7 @@ import android.widget.Toast;
 
 import com.android.launcher3.DropTarget.DragObject;
 import com.android.launcher3.PagedView.PageSwitchListener;
+import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.compat.LauncherActivityInfoCompat;
 import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.compat.PackageInstallerCompat;
@@ -257,7 +258,7 @@ public class Launcher extends Activity
     private View mWeightWatcher;
     private LauncherClings mLauncherClings;
 
-    private AppWidgetManager mAppWidgetManager;
+    private AppWidgetManagerCompat mAppWidgetManager;
     private LauncherAppWidgetHost mAppWidgetHost;
 
     private ItemInfo mPendingAddInfo = new ItemInfo();
@@ -438,7 +439,7 @@ public class Launcher extends Activity
 
         mStats = new Stats(this);
 
-        mAppWidgetManager = AppWidgetManager.getInstance(this);
+        mAppWidgetManager = AppWidgetManagerCompat.getInstance(this);
 
         mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID);
         mAppWidgetHost.startListening();
@@ -1569,6 +1570,7 @@ public class Launcher extends Activity
         launcherInfo.spanY = spanXY[1];
         launcherInfo.minSpanX = mPendingAddInfo.minSpanX;
         launcherInfo.minSpanY = mPendingAddInfo.minSpanY;
+        launcherInfo.user = mAppWidgetManager.getUser(appWidgetInfo);
 
         LauncherModel.addItemToDatabase(this, launcherInfo,
                 container, screenId, cellXY[0], cellXY[1], false);
@@ -2194,10 +2196,9 @@ public class Launcher extends Activity
             mPendingAddWidgetId = appWidgetId;
 
             // Launch over to configure widget, if needed
-            Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE);
-            intent.setComponent(appWidgetInfo.configure);
-            intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
-            Utilities.startActivityForResultSafely(this, intent, REQUEST_CREATE_APPWIDGET);
+            mAppWidgetManager.startConfigActivity(appWidgetInfo, appWidgetId, this,
+                    mAppWidgetHost, REQUEST_CREATE_APPWIDGET);
+
         } else {
             // Otherwise just add it
             Runnable onComplete = new Runnable() {
@@ -2281,14 +2282,8 @@ public class Launcher extends Activity
             appWidgetId = getAppWidgetHost().allocateAppWidgetId();
             Bundle options = info.bindOptions;
 
-            boolean success = false;
-            if (options != null) {
-                success = mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId,
-                        info.componentName, options);
-            } else {
-                success = mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId,
-                        info.componentName);
-            }
+            boolean success = mAppWidgetManager.bindAppWidgetIdIfAllowed(
+                    appWidgetId, info.info, options);
             if (success) {
                 addAppWidgetImpl(appWidgetId, info, null, info.info);
             } else {
@@ -2296,6 +2291,8 @@ public class Launcher extends Activity
                 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_BIND);
                 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
                 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER, info.componentName);
+                mAppWidgetManager.getUser(mPendingAddWidgetInfo)
+                    .addToIntent(intent, AppWidgetManager.EXTRA_APPWIDGET_PROVIDER_PROFILE);
                 // TODO: we need to make sure that this accounts for the options bundle.
                 // intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_OPTIONS, options);
                 startActivityForResult(intent, REQUEST_BIND_APPWIDGET);
@@ -2476,10 +2473,8 @@ public class Launcher extends Activity
                 mPendingAddInfo.copyFrom(info);
                 mPendingAddWidgetId = widgetId;
 
-                Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE);
-                intent.setComponent(appWidgetInfo.configure);
-                intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, info.appWidgetId);
-                Utilities.startActivityForResultSafely(this, intent, REQUEST_RECONFIGURE_APPWIDGET);
+                AppWidgetManagerCompat.getInstance(this).startConfigActivity(appWidgetInfo,
+                        info.appWidgetId, this, mAppWidgetHost, REQUEST_RECONFIGURE_APPWIDGET);
             }
         }
     }
@@ -4378,15 +4373,9 @@ public class Launcher extends Activity
             Bundle options =
                     AppsCustomizePagedView.getDefaultOptionsForWidget(this, pendingInfo);
 
-            boolean success = false;
             int newWidgetId = mAppWidgetHost.allocateAppWidgetId();
-            if (options != null) {
-                success = mAppWidgetManager.bindAppWidgetIdIfAllowed(newWidgetId,
-                        appWidgetInfo.provider, options);
-            } else {
-                success = mAppWidgetManager.bindAppWidgetIdIfAllowed(newWidgetId,
-                        appWidgetInfo.provider);
-            }
+            boolean success = mAppWidgetManager.bindAppWidgetIdIfAllowed(
+                    newWidgetId, appWidgetInfo, options);
 
             // TODO consider showing a permission dialog when the widget is clicked.
             if (!success) {
diff --git a/src/com/android/launcher3/LauncherBackupHelper.java b/src/com/android/launcher3/LauncherBackupHelper.java
index 64e82c754..1ea562b3f 100644
--- a/src/com/android/launcher3/LauncherBackupHelper.java
+++ b/src/com/android/launcher3/LauncherBackupHelper.java
@@ -299,36 +299,26 @@ public class LauncherBackupHelper implements BackupHelper {
         Set<String> savedIds = getSavedIdsByType(Key.FAVORITE, in);
         if (DEBUG) Log.d(TAG, "favorite savedIds.size()=" + savedIds.size());
 
-        // Don't backup apps in other profiles for now.
-        UserHandleCompat myUserHandle = UserHandleCompat.myUserHandle();
-        long userSerialNumber =
-                UserManagerCompat.getInstance(mContext).getSerialNumberForUser(myUserHandle);
-
         // persist things that have changed since the last backup
         ContentResolver cr = mContext.getContentResolver();
+        // Don't backup apps in other profiles for now.
         Cursor cursor = cr.query(Favorites.CONTENT_URI, FAVORITE_PROJECTION,
-                null, null, null);
+                getUserSelectionArg(), null, null);
         Set<String> currentIds = new HashSet<String>(cursor.getCount());
         try {
             cursor.moveToPosition(-1);
             while(cursor.moveToNext()) {
                 final long id = cursor.getLong(ID_INDEX);
-                final long profileId = cursor.getLong(PROFILE_ID_INDEX);
-                if (userSerialNumber == profileId) {
-                    final long updateTime = cursor.getLong(ID_MODIFIED);
-                    Key key = getKey(Key.FAVORITE, id);
-                    keys.add(key);
-                    final String backupKey = keyToBackupKey(key);
-                    currentIds.add(backupKey);
-                    if (!savedIds.contains(backupKey) || updateTime >= in.t) {
-                        byte[] blob = packFavorite(cursor);
-                        writeRowToBackup(key, blob, out, data);
-                    } else {
-                        if (VERBOSE) Log.v(TAG, "favorite " + id + " was too old: " + updateTime);
-                    }
+                final long updateTime = cursor.getLong(ID_MODIFIED);
+                Key key = getKey(Key.FAVORITE, id);
+                keys.add(key);
+                final String backupKey = keyToBackupKey(key);
+                currentIds.add(backupKey);
+                if (!savedIds.contains(backupKey) || updateTime >= in.t) {
+                    byte[] blob = packFavorite(cursor);
+                    writeRowToBackup(key, blob, out, data);
                 } else {
-                    if (VERBOSE) Log.v(TAG, "favorite " + id + " is for other profile: "
-                            + profileId);
+                    if (VERBOSE) Log.v(TAG, "favorite " + id + " was too old: " + updateTime);
                 }
             }
         } finally {
@@ -469,20 +459,19 @@ public class LauncherBackupHelper implements BackupHelper {
         }
         final ContentResolver cr = mContext.getContentResolver();
         final int dpi = mContext.getResources().getDisplayMetrics().densityDpi;
+        final UserHandleCompat myUserHandle = UserHandleCompat.myUserHandle();
 
         // read the old ID set
         Set<String> savedIds = getSavedIdsByType(Key.ICON, in);
         if (DEBUG) Log.d(TAG, "icon savedIds.size()=" + savedIds.size());
 
         // Don't backup apps in other profiles for now.
-        UserHandleCompat myUserHandle = UserHandleCompat.myUserHandle();
-        long userSerialNumber =
-                UserManagerCompat.getInstance(mContext).getSerialNumberForUser(myUserHandle);
         int startRows = out.rows;
         if (DEBUG) Log.d(TAG, "starting here: " + startRows);
+
         String where = "(" + Favorites.ITEM_TYPE + "=" + Favorites.ITEM_TYPE_APPLICATION + " OR " +
                 Favorites.ITEM_TYPE + "=" + Favorites.ITEM_TYPE_SHORTCUT + ") AND " +
-                Favorites.PROFILE_ID + "=" + userSerialNumber;
+                getUserSelectionArg();
         Cursor cursor = cr.query(Favorites.CONTENT_URI, FAVORITE_PROJECTION,
                 where, null, null);
         Set<String> currentIds = new HashSet<String>(cursor.getCount());
@@ -617,7 +606,8 @@ public class LauncherBackupHelper implements BackupHelper {
 
         int startRows = out.rows;
         if (DEBUG) Log.d(TAG, "starting here: " + startRows);
-        String where = Favorites.ITEM_TYPE + "=" + Favorites.ITEM_TYPE_APPWIDGET;
+        String where = Favorites.ITEM_TYPE + "=" + Favorites.ITEM_TYPE_APPWIDGET + " AND "
+                + getUserSelectionArg();
         Cursor cursor = cr.query(Favorites.CONTENT_URI, FAVORITE_PROJECTION,
                 where, null, null);
         Set<String> currentIds = new HashSet<String>(cursor.getCount());
@@ -1192,6 +1182,11 @@ public class LauncherBackupHelper implements BackupHelper {
         return true;
     }
 
+    private String getUserSelectionArg() {
+        return Favorites.PROFILE_ID + '=' + UserManagerCompat.getInstance(mContext)
+                .getSerialNumberForUser(UserHandleCompat.myUserHandle());
+    }
+
     private class KeyParsingException extends Throwable {
         private KeyParsingException(Throwable cause) {
             super(cause);
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 4c9d1a700..bcb45011e 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -30,7 +30,6 @@ import android.content.Intent;
 import android.content.Intent.ShortcutIconResource;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
-import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ProviderInfo;
 import android.content.pm.ResolveInfo;
@@ -52,7 +51,7 @@ import android.text.TextUtils;
 import android.util.Log;
 import android.util.Pair;
 
-import com.android.launcher3.InstallWidgetReceiver.WidgetMimeTypeHandlerData;
+import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.compat.LauncherActivityInfoCompat;
 import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo;
@@ -3040,11 +3039,11 @@ public class LauncherModel extends BroadcastReceiver
     public static ArrayList<Object> getSortedWidgetsAndShortcuts(Context context) {
         PackageManager packageManager = context.getPackageManager();
         final ArrayList<Object> widgetsAndShortcuts = new ArrayList<Object>();
-        widgetsAndShortcuts.addAll(AppWidgetManager.getInstance(context).getInstalledProviders());
+        widgetsAndShortcuts.addAll(AppWidgetManagerCompat.getInstance(context).getAllProviders());
+
         Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT);
         widgetsAndShortcuts.addAll(packageManager.queryIntentActivities(shortcutsIntent, 0));
-        Collections.sort(widgetsAndShortcuts,
-            new LauncherModel.WidgetAndShortcutNameComparator(packageManager));
+        Collections.sort(widgetsAndShortcuts, new WidgetAndShortcutNameComparator(context));
         return widgetsAndShortcuts;
     }
 
@@ -3390,44 +3389,6 @@ public class LauncherModel extends BroadcastReceiver
         return null;
     }
 
-    /**
-     * Returns a list of all the widgets that can handle configuration with a particular mimeType.
-     */
-    List<WidgetMimeTypeHandlerData> resolveWidgetsForMimeType(Context context, String mimeType) {
-        final PackageManager packageManager = context.getPackageManager();
-        final List<WidgetMimeTypeHandlerData> supportedConfigurationActivities =
-            new ArrayList<WidgetMimeTypeHandlerData>();
-
-        final Intent supportsIntent =
-            new Intent(InstallWidgetReceiver.ACTION_SUPPORTS_CLIPDATA_MIMETYPE);
-        supportsIntent.setType(mimeType);
-
-        // Create a set of widget configuration components that we can test against
-        final List<AppWidgetProviderInfo> widgets =
-            AppWidgetManager.getInstance(context).getInstalledProviders();
-        final HashMap<ComponentName, AppWidgetProviderInfo> configurationComponentToWidget =
-            new HashMap<ComponentName, AppWidgetProviderInfo>();
-        for (AppWidgetProviderInfo info : widgets) {
-            configurationComponentToWidget.put(info.configure, info);
-        }
-
-        // Run through each of the intents that can handle this type of clip data, and cross
-        // reference them with the components that are actual configuration components
-        final List<ResolveInfo> activities = packageManager.queryIntentActivities(supportsIntent,
-                PackageManager.MATCH_DEFAULT_ONLY);
-        for (ResolveInfo info : activities) {
-            final ActivityInfo activityInfo = info.activityInfo;
-            final ComponentName infoComponent = new ComponentName(activityInfo.packageName,
-                    activityInfo.name);
-            if (configurationComponentToWidget.containsKey(infoComponent)) {
-                supportedConfigurationActivities.add(
-                        new InstallWidgetReceiver.WidgetMimeTypeHandlerData(info,
-                                configurationComponentToWidget.get(infoComponent)));
-            }
-        }
-        return supportedConfigurationActivities;
-    }
-
     ShortcutInfo infoFromShortcutIntent(Context context, Intent data, Bitmap fallbackIcon) {
         Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT);
         String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
@@ -3570,14 +3531,6 @@ public class LauncherModel extends BroadcastReceiver
             return 0;
         }
     };
-    public static final Comparator<AppWidgetProviderInfo> getWidgetNameComparator() {
-        final Collator collator = Collator.getInstance();
-        return new Comparator<AppWidgetProviderInfo>() {
-            public final int compare(AppWidgetProviderInfo a, AppWidgetProviderInfo b) {
-                return collator.compare(a.label.toString().trim(), b.label.toString().trim());
-            }
-        };
-    }
     static ComponentName getComponentNameFromResolveInfo(ResolveInfo info) {
         if (info.activityInfo != null) {
             return new ComponentName(info.activityInfo.packageName, info.activityInfo.name);
@@ -3618,11 +3571,14 @@ public class LauncherModel extends BroadcastReceiver
         }
     };
     public static class WidgetAndShortcutNameComparator implements Comparator<Object> {
-        private Collator mCollator;
-        private PackageManager mPackageManager;
-        private HashMap<Object, String> mLabelCache;
-        WidgetAndShortcutNameComparator(PackageManager pm) {
-            mPackageManager = pm;
+        private final AppWidgetManagerCompat mManager;
+        private final PackageManager mPackageManager;
+        private final HashMap<Object, String> mLabelCache;
+        private final Collator mCollator;
+
+        WidgetAndShortcutNameComparator(Context context) {
+            mManager = AppWidgetManagerCompat.getInstance(context);
+            mPackageManager = context.getPackageManager();
             mLabelCache = new HashMap<Object, String>();
             mCollator = Collator.getInstance();
         }
@@ -3631,17 +3587,17 @@ public class LauncherModel extends BroadcastReceiver
             if (mLabelCache.containsKey(a)) {
                 labelA = mLabelCache.get(a);
             } else {
-                labelA = (a instanceof AppWidgetProviderInfo) ?
-                    ((AppWidgetProviderInfo) a).label :
-                    ((ResolveInfo) a).loadLabel(mPackageManager).toString().trim();
+                labelA = (a instanceof AppWidgetProviderInfo)
+                        ? mManager.loadLabel((AppWidgetProviderInfo) a)
+                        : ((ResolveInfo) a).loadLabel(mPackageManager).toString().trim();
                 mLabelCache.put(a, labelA);
             }
             if (mLabelCache.containsKey(b)) {
                 labelB = mLabelCache.get(b);
             } else {
-                labelB = (b instanceof AppWidgetProviderInfo) ?
-                    ((AppWidgetProviderInfo) b).label :
-                    ((ResolveInfo) b).loadLabel(mPackageManager).toString().trim();
+                labelB = (b instanceof AppWidgetProviderInfo)
+                        ? mManager.loadLabel((AppWidgetProviderInfo) b)
+                        : ((ResolveInfo) b).loadLabel(mPackageManager).toString().trim();
                 mLabelCache.put(b, labelB);
             }
             return mCollator.compare(labelA, labelB);
diff --git a/src/com/android/launcher3/PagedViewWidget.java b/src/com/android/launcher3/PagedViewWidget.java
index db4aeb940..e6e11a312 100644
--- a/src/com/android/launcher3/PagedViewWidget.java
+++ b/src/com/android/launcher3/PagedViewWidget.java
@@ -30,6 +30,8 @@ import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import com.android.launcher3.compat.AppWidgetManagerCompat;
+
 /**
  * The linear layout used strictly for the widget/wallpaper tab of the customization tray
  */
@@ -127,7 +129,7 @@ public class PagedViewWidget extends LinearLayout {
             image.setMaxWidth(maxWidth);
         }
         final TextView name = (TextView) findViewById(R.id.widget_name);
-        name.setText(info.label);
+        name.setText(AppWidgetManagerCompat.getInstance(getContext()).loadLabel(info));
         final TextView dims = (TextView) findViewById(R.id.widget_dims);
         if (dims != null) {
             int hSpan = Math.min(cellSpan[0], (int) grid.numColumns);
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index f70fc4d86..f20f261f9 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -78,7 +78,7 @@ public final class Utilities {
     /**
      * Returns a FastBitmapDrawable with the icon, accurately sized.
      */
-    static FastBitmapDrawable createIconDrawable(Bitmap icon) {
+    public static FastBitmapDrawable createIconDrawable(Bitmap icon) {
         FastBitmapDrawable d = new FastBitmapDrawable(icon);
         d.setFilterBitmap(true);
         resizeIconDrawable(d);
diff --git a/src/com/android/launcher3/WidgetPreviewLoader.java b/src/com/android/launcher3/WidgetPreviewLoader.java
index 1b37700c6..5aa719027 100644
--- a/src/com/android/launcher3/WidgetPreviewLoader.java
+++ b/src/com/android/launcher3/WidgetPreviewLoader.java
@@ -5,7 +5,6 @@ import android.content.ComponentName;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.SharedPreferences;
-import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
 import android.database.Cursor;
@@ -29,6 +28,8 @@ import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
 import android.util.Log;
 
+import com.android.launcher3.compat.AppWidgetManagerCompat;
+
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
@@ -42,124 +43,123 @@ import java.util.List;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutionException;
 
-abstract class SoftReferenceThreadLocal<T> {
-    private ThreadLocal<SoftReference<T>> mThreadLocal;
-    public SoftReferenceThreadLocal() {
-        mThreadLocal = new ThreadLocal<SoftReference<T>>();
-    }
+public class WidgetPreviewLoader {
 
-    abstract T initialValue();
+    private static abstract class SoftReferenceThreadLocal<T> {
+        private ThreadLocal<SoftReference<T>> mThreadLocal;
+        public SoftReferenceThreadLocal() {
+            mThreadLocal = new ThreadLocal<SoftReference<T>>();
+        }
 
-    public void set(T t) {
-        mThreadLocal.set(new SoftReference<T>(t));
-    }
+        abstract T initialValue();
 
-    public T get() {
-        SoftReference<T> reference = mThreadLocal.get();
-        T obj;
-        if (reference == null) {
-            obj = initialValue();
-            mThreadLocal.set(new SoftReference<T>(obj));
-            return obj;
-        } else {
-            obj = reference.get();
-            if (obj == null) {
+        public void set(T t) {
+            mThreadLocal.set(new SoftReference<T>(t));
+        }
+
+        public T get() {
+            SoftReference<T> reference = mThreadLocal.get();
+            T obj;
+            if (reference == null) {
                 obj = initialValue();
                 mThreadLocal.set(new SoftReference<T>(obj));
+                return obj;
+            } else {
+                obj = reference.get();
+                if (obj == null) {
+                    obj = initialValue();
+                    mThreadLocal.set(new SoftReference<T>(obj));
+                }
+                return obj;
             }
-            return obj;
         }
     }
-}
 
-class CanvasCache extends SoftReferenceThreadLocal<Canvas> {
-    @Override
-    protected Canvas initialValue() {
-        return new Canvas();
+    private static class CanvasCache extends SoftReferenceThreadLocal<Canvas> {
+        @Override
+        protected Canvas initialValue() {
+            return new Canvas();
+        }
     }
-}
 
-class PaintCache extends SoftReferenceThreadLocal<Paint> {
-    @Override
-    protected Paint initialValue() {
-        return null;
+    private static class PaintCache extends SoftReferenceThreadLocal<Paint> {
+        @Override
+        protected Paint initialValue() {
+            return null;
+        }
     }
-}
 
-class BitmapCache extends SoftReferenceThreadLocal<Bitmap> {
-    @Override
-    protected Bitmap initialValue() {
-        return null;
+    private static class BitmapCache extends SoftReferenceThreadLocal<Bitmap> {
+        @Override
+        protected Bitmap initialValue() {
+            return null;
+        }
     }
-}
 
-class RectCache extends SoftReferenceThreadLocal<Rect> {
-    @Override
-    protected Rect initialValue() {
-        return new Rect();
+    private static class RectCache extends SoftReferenceThreadLocal<Rect> {
+        @Override
+        protected Rect initialValue() {
+            return new Rect();
+        }
     }
-}
 
-class BitmapFactoryOptionsCache extends SoftReferenceThreadLocal<BitmapFactory.Options> {
-    @Override
-    protected BitmapFactory.Options initialValue() {
-        return new BitmapFactory.Options();
+    private static class BitmapFactoryOptionsCache extends
+            SoftReferenceThreadLocal<BitmapFactory.Options> {
+        @Override
+        protected BitmapFactory.Options initialValue() {
+            return new BitmapFactory.Options();
+        }
     }
-}
 
-public class WidgetPreviewLoader {
-    static final String TAG = "WidgetPreviewLoader";
-    static final String ANDROID_INCREMENTAL_VERSION_NAME_KEY = "android.incremental.version";
+    private static final String TAG = "WidgetPreviewLoader";
+    private static final String ANDROID_INCREMENTAL_VERSION_NAME_KEY = "android.incremental.version";
+
+    private static final float WIDGET_PREVIEW_ICON_PADDING_PERCENTAGE = 0.25f;
+    private static final HashSet<String> sInvalidPackages = new HashSet<String>();
+
+    // Used for drawing shortcut previews
+    private final BitmapCache mCachedShortcutPreviewBitmap = new BitmapCache();
+    private final PaintCache mCachedShortcutPreviewPaint = new PaintCache();
+    private final CanvasCache mCachedShortcutPreviewCanvas = new CanvasCache();
+
+    // Used for drawing widget previews
+    private final CanvasCache mCachedAppWidgetPreviewCanvas = new CanvasCache();
+    private final RectCache mCachedAppWidgetPreviewSrcRect = new RectCache();
+    private final RectCache mCachedAppWidgetPreviewDestRect = new RectCache();
+    private final PaintCache mCachedAppWidgetPreviewPaint = new PaintCache();
+    private final PaintCache mDefaultAppWidgetPreviewPaint = new PaintCache();
+    private final BitmapFactoryOptionsCache mCachedBitmapFactoryOptions = new BitmapFactoryOptionsCache();
+
+    private final HashMap<String, WeakReference<Bitmap>> mLoadedPreviews = new HashMap<>();
+    private final ArrayList<SoftReference<Bitmap>> mUnusedBitmaps = new ArrayList<>();
+
+    private final Context mContext;
+    private final int mAppIconSize;
+    private final IconCache mIconCache;
+    private final AppWidgetManagerCompat mManager;
 
     private int mPreviewBitmapWidth;
     private int mPreviewBitmapHeight;
     private String mSize;
-    private Context mContext;
-    private PackageManager mPackageManager;
     private PagedViewCellLayout mWidgetSpacingLayout;
 
-    // Used for drawing shortcut previews
-    private BitmapCache mCachedShortcutPreviewBitmap = new BitmapCache();
-    private PaintCache mCachedShortcutPreviewPaint = new PaintCache();
-    private CanvasCache mCachedShortcutPreviewCanvas = new CanvasCache();
-
-    // Used for drawing widget previews
-    private CanvasCache mCachedAppWidgetPreviewCanvas = new CanvasCache();
-    private RectCache mCachedAppWidgetPreviewSrcRect = new RectCache();
-    private RectCache mCachedAppWidgetPreviewDestRect = new RectCache();
-    private PaintCache mCachedAppWidgetPreviewPaint = new PaintCache();
-    private PaintCache mDefaultAppWidgetPreviewPaint = new PaintCache();
     private String mCachedSelectQuery;
-    private BitmapFactoryOptionsCache mCachedBitmapFactoryOptions = new BitmapFactoryOptionsCache();
 
-    private int mAppIconSize;
-    private IconCache mIconCache;
-
-    private static final float sWidgetPreviewIconPaddingPercentage = 0.25f;
 
     private CacheDb mDb;
 
-    private final HashMap<String, WeakReference<Bitmap>> mLoadedPreviews;
-    private final ArrayList<SoftReference<Bitmap>> mUnusedBitmaps;
-    private final static HashSet<String> sInvalidPackages;
-
     private final MainThreadExecutor mMainThreadExecutor = new MainThreadExecutor();
 
-    static {
-        sInvalidPackages = new HashSet<String>();
-    }
-
     public WidgetPreviewLoader(Context context) {
         LauncherAppState app = LauncherAppState.getInstance();
         DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
 
         mContext = context;
-        mPackageManager = mContext.getPackageManager();
         mAppIconSize = grid.iconSizePx;
         mIconCache = app.getIconCache();
+        mManager = AppWidgetManagerCompat.getInstance(context);
+
         mDb = app.getWidgetPreviewCacheDb();
-        mLoadedPreviews = new HashMap<String, WeakReference<Bitmap>>();
-        mUnusedBitmaps = new ArrayList<SoftReference<Bitmap>>();
 
         SharedPreferences sp = context.getSharedPreferences(
                 LauncherAppState.getSharedPreferencesKey(), Context.MODE_PRIVATE);
@@ -175,7 +175,7 @@ public class WidgetPreviewLoader {
             editor.commit();
         }
     }
-    
+
     public void recreateDb() {
         LauncherAppState app = LauncherAppState.getInstance();
         app.recreateWidgetPreviewDb();
@@ -328,7 +328,7 @@ public class WidgetPreviewLoader {
         String output;
         if (o instanceof AppWidgetProviderInfo) {
             sb.append(WIDGET_PREFIX);
-            sb.append(((AppWidgetProviderInfo) o).provider.flattenToString());
+            sb.append(((AppWidgetProviderInfo) o).toString());
             output = sb.toString();
             sb.setLength(0);
         } else {
@@ -413,7 +413,7 @@ public class WidgetPreviewLoader {
         }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Void) null);
     }
 
-    public static void removeItemFromDb(final CacheDb cacheDb, final String objectName) {
+    private static void removeItemFromDb(final CacheDb cacheDb, final String objectName) {
         new AsyncTask<Void, Void, Void>() {
             public Void doInBackground(Void ... args) {
                 SQLiteDatabase db = cacheDb.getWritableDatabase();
@@ -473,7 +473,7 @@ public class WidgetPreviewLoader {
         }
     }
 
-    public Bitmap generatePreview(Object info, Bitmap preview) {
+    private Bitmap generatePreview(Object info, Bitmap preview) {
         if (preview != null &&
                 (preview.getWidth() != mPreviewBitmapWidth ||
                 preview.getHeight() != mPreviewBitmapHeight)) {
@@ -491,8 +491,8 @@ public class WidgetPreviewLoader {
         int[] cellSpans = Launcher.getSpanForWidget(mContext, info);
         int maxWidth = maxWidthForWidgetPreview(cellSpans[0]);
         int maxHeight = maxHeightForWidgetPreview(cellSpans[1]);
-        return generateWidgetPreview(info.provider, info.previewImage, info.icon,
-                cellSpans[0], cellSpans[1], maxWidth, maxHeight, preview, null);
+        return generateWidgetPreview(info, cellSpans[0], cellSpans[1],
+                maxWidth, maxHeight, preview, null);
     }
 
     public int maxWidthForWidgetPreview(int spanX) {
@@ -505,22 +505,20 @@ public class WidgetPreviewLoader {
                 mWidgetSpacingLayout.estimateCellHeight(spanY));
     }
 
-    public Bitmap generateWidgetPreview(ComponentName provider, int previewImage,
-            int iconId, int cellHSpan, int cellVSpan, int maxPreviewWidth, int maxPreviewHeight,
-            Bitmap preview, int[] preScaledWidthOut) {
+    public Bitmap generateWidgetPreview(AppWidgetProviderInfo info, int cellHSpan, int cellVSpan,
+            int maxPreviewWidth, int maxPreviewHeight, Bitmap preview, int[] preScaledWidthOut) {
         // Load the preview image if possible
-        String packageName = provider.getPackageName();
         if (maxPreviewWidth < 0) maxPreviewWidth = Integer.MAX_VALUE;
         if (maxPreviewHeight < 0) maxPreviewHeight = Integer.MAX_VALUE;
 
         Drawable drawable = null;
-        if (previewImage != 0) {
-            drawable = mPackageManager.getDrawable(packageName, previewImage, null);
+        if (info.previewImage != 0) {
+            drawable = mManager.loadPreview(info);
             if (drawable != null) {
                 drawable = mutateOnMainThread(drawable);
             } else {
                 Log.w(TAG, "Can't load widget preview drawable 0x" +
-                        Integer.toHexString(previewImage) + " for provider: " + provider);
+                        Integer.toHexString(info.previewImage) + " for provider: " + info.provider);
             }
         }
 
@@ -562,21 +560,16 @@ public class WidgetPreviewLoader {
             c.setBitmap(null);
 
             // Draw the icon in the top left corner
-            int minOffset = (int) (mAppIconSize * sWidgetPreviewIconPaddingPercentage);
+            int minOffset = (int) (mAppIconSize * WIDGET_PREVIEW_ICON_PADDING_PERCENTAGE);
             int smallestSide = Math.min(previewWidth, previewHeight);
             float iconScale = Math.min((float) smallestSide
                     / (mAppIconSize + 2 * minOffset), 1f);
 
             try {
-                Drawable icon = null;
-                int hoffset =
-                        (int) ((previewDrawableWidth - mAppIconSize * iconScale) / 2);
-                int yoffset =
-                        (int) ((previewDrawableHeight - mAppIconSize * iconScale) / 2);
-                if (iconId > 0) {
-                    icon = mIconCache.getFullResIcon(packageName, iconId);
-                }
+                Drawable icon = mManager.loadIcon(info, mIconCache);
                 if (icon != null) {
+                    int hoffset = (int) ((previewDrawableWidth - mAppIconSize * iconScale) / 2);
+                    int yoffset = (int) ((previewDrawableHeight - mAppIconSize * iconScale) / 2);
                     icon = mutateOnMainThread(icon);
                     renderDrawableToBitmap(icon, defaultPreview, hoffset,
                             yoffset, (int) (mAppIconSize * iconScale),
@@ -627,7 +620,7 @@ public class WidgetPreviewLoader {
             c.drawBitmap(defaultPreview, src, dest, p);
             c.setBitmap(null);
         }
-        return preview;
+        return mManager.getBadgeBitmap(info, preview);
     }
 
     private Bitmap generateShortcutPreview(
@@ -685,18 +678,10 @@ public class WidgetPreviewLoader {
         return preview;
     }
 
-
-    public static void renderDrawableToBitmap(
-            Drawable d, Bitmap bitmap, int x, int y, int w, int h) {
-        renderDrawableToBitmap(d, bitmap, x, y, w, h, 1f);
-    }
-
     private static void renderDrawableToBitmap(
-            Drawable d, Bitmap bitmap, int x, int y, int w, int h,
-            float scale) {
+            Drawable d, Bitmap bitmap, int x, int y, int w, int h) {
         if (bitmap != null) {
             Canvas c = new Canvas(bitmap);
-            c.scale(scale, scale);
             Rect oldBounds = d.copyBounds();
             d.setBounds(x, y, x + w, y + h);
             d.draw(c);
diff --git a/src/com/android/launcher3/compat/AppWidgetManagerCompat.java b/src/com/android/launcher3/compat/AppWidgetManagerCompat.java
new file mode 100644
index 000000000..57fac7f8f
--- /dev/null
+++ b/src/com/android/launcher3/compat/AppWidgetManagerCompat.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.compat;
+
+import android.app.Activity;
+import android.appwidget.AppWidgetHost;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProviderInfo;
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+
+import com.android.launcher3.IconCache;
+import com.android.launcher3.Utilities;
+
+import java.util.List;
+
+public abstract class AppWidgetManagerCompat {
+
+    private static final Object sInstanceLock = new Object();
+    private static AppWidgetManagerCompat sInstance;
+
+
+    public static AppWidgetManagerCompat getInstance(Context context) {
+        synchronized (sInstanceLock) {
+            // TODO change this to use api version once L gets an API number.
+            if (sInstance == null) {
+                if (Utilities.isLmp()) {
+                    sInstance = new AppWidgetManagerCompatVL(context);
+                } else {
+                    sInstance = new AppWidgetManagerCompatV16(context);
+                }
+            }
+            return sInstance;
+        }
+    }
+
+    final AppWidgetManager mAppWidgetManager;
+    final Context mContext;
+
+    AppWidgetManagerCompat(Context context) {
+        mContext = context;
+        mAppWidgetManager = AppWidgetManager.getInstance(context);
+    }
+
+    public AppWidgetProviderInfo getAppWidgetInfo(int appWidgetId) {
+        return mAppWidgetManager.getAppWidgetInfo(appWidgetId);
+    }
+
+    public abstract List<AppWidgetProviderInfo> getAllProviders();
+
+    public abstract String loadLabel(AppWidgetProviderInfo info);
+
+    public abstract boolean bindAppWidgetIdIfAllowed(
+            int appWidgetId, AppWidgetProviderInfo info, Bundle options);
+
+    public abstract UserHandleCompat getUser(AppWidgetProviderInfo info);
+
+    public abstract void startConfigActivity(AppWidgetProviderInfo info, int widgetId,
+            Activity activity, AppWidgetHost host, int requestCode);
+
+    public abstract Drawable loadPreview(AppWidgetProviderInfo info);
+
+    public abstract Drawable loadIcon(AppWidgetProviderInfo info, IconCache cache);
+
+    public abstract Bitmap getBadgeBitmap(AppWidgetProviderInfo info, Bitmap bitmap);
+
+}
diff --git a/src/com/android/launcher3/compat/AppWidgetManagerCompatV16.java b/src/com/android/launcher3/compat/AppWidgetManagerCompatV16.java
new file mode 100644
index 000000000..f599f4303
--- /dev/null
+++ b/src/com/android/launcher3/compat/AppWidgetManagerCompatV16.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.compat;
+
+import android.app.Activity;
+import android.appwidget.AppWidgetHost;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProviderInfo;
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.drawable.Drawable;
+import android.os.Build;
+import android.os.Bundle;
+
+import com.android.launcher3.IconCache;
+import com.android.launcher3.Utilities;
+
+import java.util.List;
+
+class AppWidgetManagerCompatV16 extends AppWidgetManagerCompat {
+
+    AppWidgetManagerCompatV16(Context context) {
+        super(context);
+    }
+
+    @Override
+    public List<AppWidgetProviderInfo> getAllProviders() {
+        return mAppWidgetManager.getInstalledProviders();
+    }
+
+    @Override
+    public String loadLabel(AppWidgetProviderInfo info) {
+        return info.label.trim();
+    }
+
+    @Override
+    public boolean bindAppWidgetIdIfAllowed(int appWidgetId, AppWidgetProviderInfo info,
+            Bundle options) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
+            return mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId, info.provider);
+        } else {
+            return mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId, info.provider, options);
+        }
+    }
+
+    @Override
+    public UserHandleCompat getUser(AppWidgetProviderInfo info) {
+        return UserHandleCompat.myUserHandle();
+    }
+
+    @Override
+    public void startConfigActivity(AppWidgetProviderInfo info, int widgetId, Activity activity,
+            AppWidgetHost host, int requestCode) {
+        Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE);
+        intent.setComponent(info.configure);
+        intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, widgetId);
+        Utilities.startActivityForResultSafely(activity, intent, requestCode);
+    }
+
+    @Override
+    public Drawable loadPreview(AppWidgetProviderInfo info) {
+        return mContext.getPackageManager().getDrawable(
+                info.provider.getPackageName(), info.previewImage, null);
+    }
+
+    @Override
+    public Drawable loadIcon(AppWidgetProviderInfo info, IconCache cache) {
+        return cache.getFullResIcon(info.provider.getPackageName(), info.icon);
+    }
+
+    @Override
+    public Bitmap getBadgeBitmap(AppWidgetProviderInfo info, Bitmap bitmap) {
+        return bitmap;
+    }
+}
diff --git a/src/com/android/launcher3/compat/AppWidgetManagerCompatVL.java b/src/com/android/launcher3/compat/AppWidgetManagerCompatVL.java
new file mode 100644
index 000000000..535c74bbd
--- /dev/null
+++ b/src/com/android/launcher3/compat/AppWidgetManagerCompatVL.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.compat;
+
+import android.annotation.TargetApi;
+import android.app.Activity;
+import android.appwidget.AppWidgetHost;
+import android.appwidget.AppWidgetProviderInfo;
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Rect;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.view.View;
+import android.widget.Toast;
+
+import com.android.launcher3.IconCache;
+import com.android.launcher3.R;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@TargetApi(Build.VERSION_CODES.L)
+class AppWidgetManagerCompatVL extends AppWidgetManagerCompat {
+
+    private final UserManager mUserManager;
+    private final PackageManager mPm;
+
+    AppWidgetManagerCompatVL(Context context) {
+        super(context);
+        mPm = context.getPackageManager();
+        mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
+    }
+
+    @Override
+    public List<AppWidgetProviderInfo> getAllProviders() {
+        ArrayList<AppWidgetProviderInfo> providers = new ArrayList<AppWidgetProviderInfo>();
+        for (UserHandle user : mUserManager.getUserProfiles()) {
+            providers.addAll(mAppWidgetManager.getInstalledProvidersForProfile(user));
+        }
+        return providers;
+    }
+
+    @Override
+    public String loadLabel(AppWidgetProviderInfo info) {
+        return info.loadLabel(mPm);
+    }
+
+    @Override
+    public boolean bindAppWidgetIdIfAllowed(int appWidgetId, AppWidgetProviderInfo info,
+            Bundle options) {
+        return mAppWidgetManager.bindAppWidgetIdIfAllowed(
+                appWidgetId, info.getProfile(), info.provider, options);
+    }
+
+    @Override
+    public UserHandleCompat getUser(AppWidgetProviderInfo info) {
+        return UserHandleCompat.fromUser(info.getProfile());
+    }
+
+    @Override
+    public void startConfigActivity(AppWidgetProviderInfo info, int widgetId, Activity activity,
+            AppWidgetHost host, int requestCode) {
+        try {
+            host.startAppWidgetConfigureActivityForResult(activity, widgetId, 0, requestCode, null);
+        } catch (ActivityNotFoundException e) {
+            Toast.makeText(activity, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
+        } catch (SecurityException e) {
+            Toast.makeText(activity, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    @Override
+    public Drawable loadPreview(AppWidgetProviderInfo info) {
+        return info.loadPreviewImage(mContext, 0);
+    }
+
+    @Override
+    public Drawable loadIcon(AppWidgetProviderInfo info, IconCache cache) {
+        return info.loadIcon(mContext, cache.getFullResIconDpi());
+    }
+
+    @Override
+    public Bitmap getBadgeBitmap(AppWidgetProviderInfo info, Bitmap bitmap) {
+        if (info.getProfile().equals(android.os.Process.myUserHandle())) {
+            return bitmap;
+        }
+
+        // Add a user badge in the bottom right of the image.
+        final Resources res = mContext.getResources();
+        final int badgeSize = res.getDimensionPixelSize(R.dimen.profile_badge_size);
+        final int badgeMargin = res.getDimensionPixelSize(R.dimen.profile_badge_margin);
+        final Rect badgeLocation = new Rect(0, 0, badgeSize, badgeSize);
+
+        final int top = bitmap.getHeight() - badgeSize - badgeMargin;
+        if (res.getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL) {
+            badgeLocation.offset(badgeMargin, top);
+        } else {
+            badgeLocation.offset(bitmap.getWidth() - badgeSize - badgeMargin, top);
+        }
+
+        UserManager userManager = (UserManager) mContext.getSystemService(
+                Context.USER_SERVICE);
+
+        Drawable drawable = userManager.getBadgedDrawableForUser(new BitmapDrawable(res, bitmap),
+                info.getProfile(), badgeLocation, 0);
+
+        if (drawable instanceof BitmapDrawable) {
+            return ((BitmapDrawable) drawable).getBitmap();
+        }
+
+        bitmap.eraseColor(Color.TRANSPARENT);
+        Canvas c = new Canvas(bitmap);
+        drawable.setBounds(0, 0, bitmap.getWidth(), bitmap.getHeight());
+        drawable.draw(c);
+        c.setBitmap(null);
+        return bitmap;
+    }
+}