select

fun PickerClient.select(context: Context, params: PickerTabRequestParams, callback: (selectedUsers: SelectedUsers?, selectedChat: SelectedChat?, error: Throwable?) -> Unit)
fun RxPickerClient.select(context: Context, params: PickerTabRequestParams): Single<Pair<SelectedUsers?, SelectedChat?>>

풀 스크린 형태의 탭 피커 요청
Requests a tap picker in full-screen view