code: private void onSignInResult(int rstCode, SignInHuaweiId result) {
          HMSAgentLog.i("signIn:callback=" + StrUtils.objDesc(handler) +" retCode=" + rstCode);
          if (handler != null) {
              new Handler(Looper.getMainLooper()).post(new CallbackResultRunnable<SignInHuaweiId>(handler, rstCode, result));
              handler = null;
          }
          signInResultForDispose = null;
          retryTimes = MAX_RETRY_TIMES;
      }
docs: 回调登录结果
  @param rstCode 结果码
  @param result 登录结果