code: public boolean shouldShowRequestPermissionRationale(@NonNull String permission) {
          return Build.VERSION.SDK_INT >= 23 && getActivity().shouldShowRequestPermissionRationale(permission);
      }
docs: Gets whether you should show UI with rationale for requesting a permission.
  {@see android.app.Activity#shouldShowRequestPermissionRationale(String)}
  
  @param permission A permission this Controller has requested