@Override
 public boolean dispatchKeyEvent(KeyEvent event) {
   if (mInputBar != null && mInputBar.getCurrentSelectedTabId() == CommonInputBar.TAB_KEYBOARD) {
     if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
       mInputBar.hideCommonInputBar();
     }
   }
   return super.dispatchKeyEvent(event);
 }
 @Override
 protected void onStop() {
   // TODO Auto-generated method stub
   super.onStop();
   if (isOpenComment) {
     if (mInputBar != null && mInputBar.getCurrentSelectedTabId() == CommonInputBar.TAB_KEYBOARD) {
       mInputBar.hideCommonInputBar();
     }
   }
 }