previewRoom method Null safety

Future<NEResult<NEPreviewRoomContext>> previewRoom(
  1. NEPreviewRoomParams params,
  2. NEPreviewRoomOptions options
)

加入房间前预览。成功预览房间后会返回一个 NEPreviewRoomContext 实例，可以进行预览房间相关操作。 params 预览房间的参数 options 预览房间的选项

Implementation

Future<NEResult<NEPreviewRoomContext>> previewRoom(
    NEPreviewRoomParams params, NEPreviewRoomOptions options);