public void doBreak() {
   if (mDemoActivityInterface != null) {
     mDemoActivityInterface.removeAllFragmentExcept(getTagString());
   }
   if (mTilesFrameLayout != null) {
     mTilesFrameLayout.startAnimation();
   }
 }
 private void removeOldSideFragment() {
   if (mDemoActivityInterface != null) {
     mDemoActivityInterface.removeAllFragmentExcept(getTagString());
   }
 }