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
