1  if (activity != null && activity.getCurrentFocus() != null
2                 && activity.getCurrentFocus().getWindowToken() != null) {
3             InputMethodManager input = ((InputMethodManager) activity
4                     .getSystemService(Activity.INPUT_METHOD_SERVICE));
5             input.hideSoftInputFromWindow(activity.getCurrentFocus()
6                     .getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
7         }