Updating Tablet clings. (Bug 11973614)

Change-Id: I6cb10424a345691d50c4fac7969e0b97bbee4b3c
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index c119999..61a594f 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -4367,17 +4367,17 @@
     }
 
     void showWorkspaceSearchAndHotseat() {
-        mWorkspace.setAlpha(1f);
-        mHotseat.setAlpha(1f);
-        mPageIndicators.setAlpha(1f);
-        mSearchDropTargetBar.showSearchBar(false);
+        if (mWorkspace != null) mWorkspace.setAlpha(1f);
+        if (mHotseat != null) mHotseat.setAlpha(1f);
+        if (mPageIndicators != null) mPageIndicators.setAlpha(1f);
+        if (mSearchDropTargetBar != null) mSearchDropTargetBar.showSearchBar(false);
     }
 
     void hideWorkspaceSearchAndHotseat() {
-        mWorkspace.setAlpha(0f);
-        mHotseat.setAlpha(0f);
-        mPageIndicators.setAlpha(0f);
-        mSearchDropTargetBar.hideSearchBar(false);
+        if (mWorkspace != null) mWorkspace.setAlpha(0f);
+        if (mHotseat != null) mHotseat.setAlpha(0f);
+        if (mPageIndicators != null) mPageIndicators.setAlpha(0f);
+        if (mSearchDropTargetBar != null) mSearchDropTargetBar.hideSearchBar(false);
     }