查询频道信息

根据频道名称查询频道信息。

• API原型

dart/// 根据channelName反查channelInfo
  /// 10404:频道不存在
  /// [channelName]
  Future<NIMResult<ChannelFullInfo>> queryChannelInfo(String channelName) {
    return _platform.queryChannelInfo(channelName);
  }

• 示例

dart  NimCore.instance.avSignallingService.queryChannelInfo(channelName).then((value){
      if(value.isSuccess){
        //todo query channel information success
      }else{
        //todo query channel information failed
      }
    });