getFriendList method
获取好友列表
Implementation
@override
Future<V2TimValueCallback<List<V2TimFriendInfo>>> getFriendList() async {
return V2TimValueCallback<List<V2TimFriendInfo>>.fromJson(
formatJson(
await _channel.invokeMethod(
"getFriendList",
buildFriendManagerParam(
{},
),
),
),
);
}