tencent cloud

// 监听 onNetworkQuality 回调并感知当前网络状态的变化
if (type == TRTCCloudListener.onNetworkQuality) {
    if (type == TRTCCloudDef.TRTC_QUALITY_UNKNOWN) {
      // TODO
    } else if (type == TRTCCloudDef.TRTC_QUALITY_Excellent) {
      // TODO
    } else if (type == TRTCCloudDef.TRTC_QUALITY_Good) {
      // TODO
    } else if (type == TRTCCloudDef.TRTC_QUALITY_Poor) {
      // TODO
    } else if (type == TRTCCloudDef.TRTC_QUALITY_Bad) {
      // TODO
    } else if (type == TRTCCloudDef.TRTC_QUALITY_Vbad) {
      // TODO
    } else if (type == TRTCCloudDef.TRTC_QUALITY_Down) {
      // TODO
    }
    // Get the network quality of remote users
    for (var info in param['remoteQuality']) {
        // TODO
    }
}


// 启动网络测速的示例代码, 需要 sdkAppId 和 UserSig，(获取方式参考基本功能)
// 这里以登录后开始测试为例
_onLogin(String userId, String userSig) async {
  TRTCSpeedTestParams params = TRTCSpeedTestParams(
    // sdkAppID 为控制台中获取的实际应用的 AppID
    sdkAppId: sdkAppId,
    userId: userId,
    userSig: userSig,
    scene: TRTCSpeedTestScene.delayBandwidthTesting,
    // 预期的上行带宽（kbps，取值范围： 10 ～ 5000，为 0 时不测试）
    expectedDownBandwidth: 500,
    // 预期的下行带宽（kbps，取值范围： 10 ～ 5000，为 0 时不测试）
    expectedUpBandwidth: 500,
  );
  int? returnValue = await trtcCloud.startSpeedTestWithParams(params);
  trtcCloud.registerListener(speedTestListener);
}

speedTestListener(type, param) {
  if (type == TRTCCloudListener.onSpeedTestResult) {
    var result = param['result'];

    bool success = result['success'];
    String errMsg = result['errMsg'];
    String ip = result['ip'];
    int quality = result['quality'];
    double upLostRate = result['upLostRate'];
    double downLostRate = result['downLostRate'];
    int rtt = result['rtt'];
    int availableDownBandwidth = result['availableDownBandwidth'];
    int availableUpBandwidth = result['availableUpBandwidth'];
    int upJitter = result['upJitter'];
    int downJitter = result['downJitter'];
  }
}