telling proguard not to strip three onClick handlers
  that are only used by reflection (they are 
  referenced in layout-xlarge/launcher.xml)
diff --git a/proguard.flags b/proguard.flags
index 1187fd8..c91ca67 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -2,6 +2,9 @@
   public void previousScreen(android.view.View);
   public void nextScreen(android.view.View);
   public void launchHotSeat(android.view.View);
+  public void onClickSearchButton(android.view.View);
+  public void onClickConfigureButton(android.view.View);
+  public void onClickAllAppsButton(android.view.View);
 }
 
 -keep class com.android.launcher2.AllApps3D$Defines {