create abstract method

Future<int> create({
  1. required String appKey,
  2. required NERtcChannelEventCallback channelEventCallback,
  3. NERtcOptions? options,
})

创建 NERtc 实例

Implementation

Future<int> create(
    {required String appKey,
    required NERtcChannelEventCallback channelEventCallback,
    NERtcOptions? options});