private void setPermission() { if (mUserInfo.roles == null || mUserInfo.roles.size() < 1) { mLayout.showOperator(false, getString(R.string.none)); } else { int size = mUserInfo.roles.size(); size--; if (size == 0) { mLayout.showOperator(true, mUserInfo.roles.get(0).description); } else if (size > 0) { mLayout.showOperator( true, mUserInfo.roles.get(size).description + " + " + mUserInfo.roles.size()); } } }