案例图1 案例图1

项目数据列表展示

MVP 架构 分包

mvp架构图

Contract 契约接口代码块实现

/**
 * @copyright:  zhidu
 * @author   fanyanlong
 * @email  326445811@qq.com
 * @versions：  V1.0.1
 * @data： 2019/4/16
 * @description：
 *
 */
interface Contract {
    //Iview
    interface Iview {
        fun GetViewDate(mktbean: KtBean)
    }

    // Ipresenter
    interface Ipresenter {
        fun GetPersnetViewDate(page: Int, count: Int)
        fun Attch(miview: Iview)
        fun Decth()
    }

    // Imodel
    interface Imodel {
        fun GetModelDate(page: Int, count: Int, model: ModelCallBack)
        interface ModelCallBack {
            fun onSuccess(mttbena: KtBean)
            fun onFails()
        }
    }
}

View层代码块实现

**
 * @copyright:  zhidu
 * @author   fanyanlong
 * @email  326445811@qq.com
 * @versions：  V1.0.1
 * @data： 2019/4/16
 * @description：
 *
 */
open class KtActivity : AppCompatActivity(), Contract.Iview {
    var ktpresenter: KtPresenter? = null
    var adapter: KtAdapter? = null
    var page: Int = 1
    var count: Int = 3
    var mHandler: Handler? = Handler()
    var array: ArrayList<Any>? = ArrayList()

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_kt)
        tv.text = "职业渡人"
        ktpresenter = KtPresenter(this)
        ktpresenter!!.Attch(this@KtActivity)
        //添加布局管理器
        kt_xrecyclerview.layoutManager = LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false)

        var block: (KtPresenter?) -> Unit = {
            it!!.Attch(this)
            it.GetPersnetViewDate(page, count)
        }
        ktpresenter.let(block)

        kt_xrecyclerview.setLoadingMoreEnabled(true)
        kt_xrecyclerview.setPullRefreshEnabled(true)
        kt_xrecyclerview.setLoadingMoreProgressStyle(ProgressStyle.BallZigZag)
        kt_xrecyclerview.setLoadingListener(object : XRecyclerView.LoadingListener {
            override fun onLoadMore() {

                //kt_xrecyclerview.postDelayed(Runnable { kotlin.run {  } },3000)
                mHandler!!.postDelayed(object : Runnable {
                    override fun run() {
                        page++
                        Log.i("onLoadMore===", page.toString())
                        // ktpresenter!!.Attch(this@KtActivity)
                        ktpresenter!!.GetPersnetViewDate(page, count)
                        adapter!!.notifyDataSetChanged()
                        kt_xrecyclerview.loadMoreComplete()

                    }
                }, 1000)


            }

            override fun onRefresh() {
                page = 1
                // ktpresenter!!.Attch(this@KtActivity)
                Log.i("onRefresh===", page.toString())
                ktpresenter!!.GetPersnetViewDate(page, count)
                adapter!!.notifyDataSetChanged()
                kt_xrecyclerview.refreshComplete()

            }
        })
    }

    override fun GetViewDate(mktbean: KtBean) {
        adapter = KtAdapter(this@KtActivity, mktbean)
        kt_xrecyclerview.adapter = adapter
    }

    override fun onDestroy() {
        super.onDestroy()
        ktpresenter!!.Decth()

    }

}

Presenter 代码块实现

/**
 * @copyright:  zhidu
 * @author   fanyanlong
 * @email  326445811@qq.com
 * @versions：  V1.0.1
 * @data： 2019/4/16
 * @description：
 *
 */
open class KtPresenter(val mview: KtActivity) : Contract.Ipresenter {
    var mmodel: KtModel? = KtModel()
    //?可为空
    override fun Attch(miview: Contract.Iview) {
        //软引用
       // soft = SoftReference<Contract.Imodel>(mmodel)
    }

    override fun Decth() {
        if (mview != null) {
            mview == null
        }
    }

    override fun GetPersnetViewDate(page: Int, count: Int) {
        //!!表示对象不为空的情况下去执行
        mmodel!!.GetModelDate(page, count, object : Contract.Imodel.ModelCallBack {
            override fun onSuccess(mttbena: KtBean) {
                mview.GetViewDate(mttbena)
            }

            override fun onFails() {
            }
        })


    }
}

Model 代码块实现

/**
 * @copyright:  zhidu
 * @author   fanyanlong
 * @email  326445811@qq.com
 * @versions：  V1.0.1
 * @data： 2019/4/16
 * @description：
 *
 */
//open可被继承
class KtModel : Contract.Imodel {
    //override重写  fun方法
    override fun GetModelDate(page: Int, count: Int, model: Contract.Imodel.ModelCallBack) {
        //获取网络
        RetrofitUtils.instance.create.getNetDate(page, count)
                //切换io流
                .subscribeOn(Schedulers.io())
                //切换主线程
                .observeOn(AndroidSchedulers.mainThread())
                //订阅 object对象变量
                .subscribe(object : DisposableObserver<KtBean>() {
                    //完成操作
                    override fun onComplete() {

                    }

                    //下一步操作
                    override fun onNext(t: KtBean) {
                        model.onSuccess(t)
                    }

                    //错误操作
                    override fun onError(e: Throwable) {
                    }

                })
    }
}

总结

上面主要以项目主干模块代码一个整理，如果想实现此效果请关注私信反馈问题，线上解决
此案例以分享github上面链接如下：

Kotlin项目实战篇【1】Android Studio 3.0 Kotlin环境开发https://github.com/fanyanlong/KotlinStu

Kotlin基础篇【1】Android Studio 3.0 Kotlin环境配置
Kotlin基础篇【2】初识Kotlin的意义
Kotlin基础篇【3】Kotlin基础语法
Kotlin基础篇【4】when,if,in,is 关键词

=========Kotlin项目实战【2】即将更新==========

===========约努力的人约幸运==========