val multiStateContainer = MultiStatePage.bindMultiState(view)
// 或
val multiStateContainer = view.bindMultiState()

val multiStateContainer = MultiStatePage.bindMultiState(this)
// 或
val multiStateContainer = bindMultiState()

class MultiStateFragment : Fragment {

    private lateinit var multiStateContainer: MultiStateContainer

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        val root = inflater.inflate(R.layout.fragment, container, false)
        multiStateContainer = MultiStatePage.bindMultiState(root)
        // 或
        multiStateContainer = root.bindMultiState()
        return multiStateContainer
    }
}

multiStateContainer.show<CustomState>()
// 或
multiStateContainer.show(CustomState())

multiStateContainer.show<ErrorState> { errorState ->
    errorState.setErrorMsg("xxx出错了")
}

class ErrorState : MultiState() {

    private lateinit var tvRetry: TextView

    private var retry: OnRetryClickListener? = null

    override fun onCreateView(
        context: Context, inflater: LayoutInflater, container: MultiStateContainer
    ): View {
        return inflater.inflate(R.layout.mult_state_error, container, false)
    }

    override fun onViewCreated(view: View) {
        tvRetry = view.findViewById(R.id.tv_retry)
        tvRetry.setOnClickListener { retry?.retry() }
    }

    fun retry(retry: OnRetryClickListener) {
        this.retry = retry
    }

    fun interface OnRetryClickListener {
        fun retry()
    }
}

multiStateContainer.show<ErrorState> { state ->
    state.retry { do () }
}
// 或
val state = ErrorState().apply {
    retry { do () }
}
multiStateContainer.show(state)

val multiStateActivityRoot = bindMultiState().apply { showEmpty() }

class LottieWaitingState : MultiState() {
    override fun onCreateView(context: Context, inflater: LayoutInflater, container: MultiStateContainer): View {
        // your state view
        return inflater.inflate(R.layout.multi_lottie_waiting, container, false)
    }

    override fun onViewCreated(view: View) {
        //逻辑处理
    }

    override fun onHiddenChanged(hide: Boolean) {
        if (hide) {
            // State 隐藏
        } else {
            // State 显示
        }
    }
}

val multiStateContainer = MultiStatePage.bindMultiState(view)
//成功页 
multiStateContainer.show<SuccessState>()
//错误页
multiStateContainer.show<ErrorState>()
//空页面
multiStateContainer.show<EmptyState>()
//加载状态页
multiStateContainer.show<LoadingState>()

class App : Application() {
    override fun onCreate() {
        super.onCreate()
        val config = MultiStateConfig.Builder()
            .alphaDuration(300)
            .errorIcon(R.mipmap.state_error)
            .emptyIcon(R.mipmap.state_empty)
            .emptyMsg("emptyMsg")
            .loadingMsg("loadingMsg")
            .errorMsg("errorMsg")
            .build()
        MultiStatePage.config(config)
    }
}

fun MultiStateContainer.showSuccess(callBack: (SuccessState) -> Unit = {}) {
    show<SuccessState> { callBack.invoke(it) }
}

fun MultiStateContainer.showError(callBack: (ErrorState) -> Unit = {}) {
    show<ErrorState> { callBack.invoke(it) }
}

fun MultiStateContainer.showEmpty(callBack: (EmptyState) -> Unit = {}) {
    show<EmptyState> { callBack.invoke(it) }
}

fun MultiStateContainer.showLoading(callBack: (LoadingState) -> Unit = {}) {
    show<LoadingState> { callBack.invoke(it) }
}

val multiStateContainer = bindMultiState()
multiStateContainer.showLoading()
multiStateContainer.showSuccess()