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Last updated: 2022-07-04 12:19:46

    This document describes how to assess the current network conditions.

    When you have a video call on WeChat under poor network conditions (for example, when you are in an elevator), WeChat displays a message indicating the current network quality is poor. This document describes how to use TRTC to implement a similar interaction in your own application.

    Call Guide

    TRTC provides the onNetworkQuality callback to report the current network quality once every two seconds. It contains two parameters: localQuality and remoteQuality.

    • localQuality indicates your current network quality, which has six levels: Excellent, Good, Poor, Bad, VeryBad, and Down.
    • remoteQuality is an array indicating the network quality of remote users. In this array, each element represents the network quality of a remote user.
    Quality Name Description
    0 Unknown Unknown
    1 Excellent The current network is excellent.
    2 Good The current network is good.
    3 Poor The current network is fine.
    4 Bad The current network is poor, and there may be obvious stuttering and delay.
    5 VeryBad The current network is very poor, and TRTC can merely sustain the connection but cannot guarantee the communication quality.
    6 Down The current network cannot meet the minimum requirements of TRTC, and it is impossible to have a normal audio/video call.

    You only need to listen for onNetworkQuality of TRTC and display the corresponding prompt on the UI.

    // Listen for the `onNetworkQuality` callback to get the change of the current network conditions
    @Override
    public void onNetworkQuality(TRTCCloudDef.TRTCQuality localQuality,
    ArrayList<trtcclouddef.trtcquality> remoteQuality)
    {
    // Get your local network quality
    switch(localQuality) {
    case TRTCQuality_Unknown:
    Log.d(TAG, "SDK has not yet sensed the current network quality.");
    break;
    case TRTCQuality_Excellent:
    Log.d(TAG, "The current network is very good.");
    break;
    case TRTCQuality_Good:
    Log.d(TAG, "The current network is good.");
    break;
    case TRTCQuality_Poor:
    Log.d(TAG, "The current network quality barely meets the demand.");
    break;
    case TRTCQuality_Bad:
    Log.d(TAG, "The current network is poor, and there may be significant freezes and call delays.");
    break;
    case TRTCQuality_VeryBad:
    Log.d(TAG, "The current network is very poor, the communication quality cannot be guaranteed");
    break;
    case TRTCQuality_Down:
    Log.d(TAG, "The current network does not meet the minimum requirements.");
    break;
    default:
    break;
    }
    // Get the network quality of remote users
    for (TRTCCloudDef.TRTCQuality info : arrayList) {
    Log.d(TAG, "remote user : = " + info.userId + ", quality = " + info.quality);
    }
    }
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