Lawnchair: Make the grid actually reload

src/com/android/launcher3/InvariantDeviceProfile.java

@@ -140,6 +140,8 @@ public class InvariantDeviceProfile {
     private ConfigMonitor mConfigMonitor;
     private OverlayMonitor mOverlayMonitor;
 
+    private Context mContext;
+
     @VisibleForTesting
     public InvariantDeviceProfile() {}
 
@@ -162,10 +164,12 @@ public class InvariantDeviceProfile {
         demoModeLayoutId = p.demoModeLayoutId;
         mExtraAttrs = p.mExtraAttrs;
         mOverlayMonitor = p.mOverlayMonitor;
+        mContext = p.mContext;
     }
 
     @TargetApi(23)
     private InvariantDeviceProfile(Context context) {
+        mContext = context;
         String gridName = getCurrentGridName(context);
         String newGridName = initGrid(context, gridName);
         if (!newGridName.equals(gridName)) {
@@ -185,6 +189,7 @@ public class InvariantDeviceProfile {
      * This constructor should NOT have any monitors by design.
      */
     public InvariantDeviceProfile(Context context, String gridName) {
+        mContext = context;
         String newName = initGrid(context, gridName);
         if (newName == null || !newName.equals(gridName)) {
             throw new IllegalArgumentException("Unknown grid name");
@@ -195,6 +200,7 @@ public class InvariantDeviceProfile {
      * This constructor should NOT have any monitors by design.
      */
     public InvariantDeviceProfile(Context context, Display display) {
+        mContext = context;
         // Ensure that the main device profile is initialized
         InvariantDeviceProfile originalProfile = INSTANCE.get(context);
         String gridName = getCurrentGridName(context);
@@ -322,6 +328,10 @@ public class InvariantDeviceProfile {
 
     }
 
+    public void reInitGrid() {
+        initGrid(mContext, getCurrentGridName(mContext));
+    }
+
     @Nullable
     public TypedValue getAttrValue(int attr) {
         return mExtraAttrs == null ? null : mExtraAttrs.get(attr);