code: public void keyboardSupportEnabled(Activity activity, boolean enable) {
          if (getContent() != null && getContent().getChildCount() > 0) {
              if (mKeyboardUtil == null) {
                  mKeyboardUtil = new KeyboardUtil(activity, getContent().getChildAt(0));
                  mKeyboardUtil.disable();
              }
  
              if (enable) {
                  mKeyboardUtil.enable();
              } else {
                  mKeyboardUtil.disable();
              }
          }
      }
docs: a helper method to enable the keyboardUtil for a specific activity
  or disable it. note this will cause some frame drops because of the
  listener.
  
  @param activity
  @param enable