Add first RTL support to Launcher

See bug #8064062 Launcher needs to be RTL aware

Change-Id: I24b1f1977fb65246afd2005440567b5850939621
diff --git a/src/com/android/launcher2/AppWidgetResizeFrame.java b/src/com/android/launcher2/AppWidgetResizeFrame.java
index 13ee6f9..0fd39ae 100644
--- a/src/com/android/launcher2/AppWidgetResizeFrame.java
+++ b/src/com/android/launcher2/AppWidgetResizeFrame.java
@@ -96,13 +96,13 @@
         mLeftHandle = new ImageView(context);
         mLeftHandle.setImageResource(R.drawable.widget_resize_handle_left);
         lp = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, 
-                Gravity.LEFT | Gravity.CENTER_VERTICAL);
+                Gravity.START | Gravity.CENTER_VERTICAL);
         addView(mLeftHandle, lp);
 
         mRightHandle = new ImageView(context);
         mRightHandle.setImageResource(R.drawable.widget_resize_handle_right);
         lp = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, 
-                Gravity.RIGHT | Gravity.CENTER_VERTICAL);
+                Gravity.END | Gravity.CENTER_VERTICAL);
         addView(mRightHandle, lp);
 
         mTopHandle = new ImageView(context);
diff --git a/src/com/android/launcher2/AppsCustomizePagedView.java b/src/com/android/launcher2/AppsCustomizePagedView.java
index 4bfeb60..bd78396 100644
--- a/src/com/android/launcher2/AppsCustomizePagedView.java
+++ b/src/com/android/launcher2/AppsCustomizePagedView.java
@@ -1451,11 +1451,11 @@
             int ix = i % mWidgetCountX;
             int iy = i / mWidgetCountX;
             GridLayout.LayoutParams lp = new GridLayout.LayoutParams(
-                    GridLayout.spec(iy, GridLayout.LEFT),
+                    GridLayout.spec(iy, GridLayout.START),
                     GridLayout.spec(ix, GridLayout.TOP));
             lp.width = cellWidth;
             lp.height = cellHeight;
-            lp.setGravity(Gravity.TOP | Gravity.LEFT);
+            lp.setGravity(Gravity.TOP | Gravity.START);
             if (ix > 0) lp.leftMargin = mWidgetWidthGap;
             if (iy > 0) lp.topMargin = mWidgetHeightGap;
             layout.addView(widget, lp);
diff --git a/src/com/android/launcher2/InfoDropTarget.java b/src/com/android/launcher2/InfoDropTarget.java
index d6bf5f2..850cc1f 100644
--- a/src/com/android/launcher2/InfoDropTarget.java
+++ b/src/com/android/launcher2/InfoDropTarget.java
@@ -51,7 +51,9 @@
         Resources r = getResources();
         mHoverColor = r.getColor(R.color.info_target_hover_tint);
         mDrawable = (TransitionDrawable) getCurrentDrawable();
-        mDrawable.setCrossFadeEnabled(true);
+        if (null != mDrawable) {
+            mDrawable.setCrossFadeEnabled(true);
+        }
 
         // Remove the text in the Phone UI in landscape
         int orientation = getResources().getConfiguration().orientation;