Activity

package com.ailtt.kotlintest.activity

import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.support.v7.widget.LinearLayoutManager
import android.util.Log
import com.ailtt.kotlintest.R
import com.ailtt.kotlintest.adapter.MyAdapter
import com.ailtt.kt.API
import com.ailtt.kt.News
import io.reactivex.android.schedulers.AndroidSchedulers
import io.reactivex.schedulers.Schedulers
import kotlinx.android.synthetic.main.activity_main2.*
import org.reactivestreams.Subscriber
import org.reactivestreams.Subscription
import retrofit2.Retrofit
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory
import retrofit2.converter.gson.GsonConverterFactory


class Main2Activity : AppCompatActivity() {

    var list:ArrayList<News.ResultBean.DataBean>?= ArrayList()
    var adapter:MyAdapter?=null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main2)

        //module的gradle引入apply plugin: 'kotlin-android-extensions'，不再需要findviewbyid
        recylist.layoutManager=LinearLayoutManager(this)

        adapter=MyAdapter(list!!)

        recylist.adapter=adapter


        getNews()
        
    }

    //Retrofit➕RxJava网络请求
   //请求的聚合数据新闻
    fun getNews(){
        var retrofit= Retrofit.Builder()
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .addConverterFactory(GsonConverterFactory.create())
                .baseUrl("http://v.juhe.cn")
                .build()

        var create = retrofit.create(API::class.java)
        var news = create.getNews("这里是key", "")
        //匿名内部类object:开头
        news.observeOn(AndroidSchedulers.mainThread())
                .subscribeOn(Schedulers.newThread())
                .subscribe(object : Subscriber<News> {
                    override fun onComplete() {
                        Log.v("Main","调用完成")
                    }

                    override fun onNext(t: News?) {
//                        var data = t!!.result!!.data
//
//                        for (i in data!!){
//                            Log.v("Main",i.title)
//                        }
                       list!!.addAll(t?.result?.data!!)
                        adapter?.notifyDataSetChanged()

                    }

                    override fun onSubscribe(s: Subscription?) {
                        s?.request(Long.MAX_VALUE)
                    }

                    override fun onError(t: Throwable?) {
                        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
                        Log.v("Main", t!!.message)
                    }

                })


    }
}

Adapter

package com.ailtt.kotlintest.adapter

import android.content.Intent
import android.net.Uri
import android.support.v7.widget.RecyclerView
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import android.widget.Toast
import com.ailtt.kotlintest.adapter.MyAdapter.MyViewHolder
import com.ailtt.kt.News

/**
 * Created by pengzhihao on 2017/5/22.
 */
class MyAdapter(var list:List<News.ResultBean.DataBean>) : RecyclerView.Adapter<MyViewHolder>() {

    override fun onBindViewHolder(p0: MyViewHolder?, p1: Int) {
            p0?.t?.text =list.get(p1).title

            p0?.t?.setOnClickListener {
                var intent=Intent()
                intent.action="android.intent.action.VIEW"
                intent.data=Uri.parse(list.get(p1).url)

                p0?.t?.context.startActivity(intent)
               // Toast.makeText(p0?.t?.context,"值是${list.get(p1).title},${list.get(p1).url}",Toast.LENGTH_SHORT).show()
            }
    }

    override fun onCreateViewHolder(p0: ViewGroup?, p1: Int): MyViewHolder {

        var inflate = LayoutInflater.from(p0?.context).inflate(android.R.layout.simple_list_item_1, p0, false)

        return MyViewHolder(itemView = inflate,viewGroup=p0,fs=false)
    }

    override fun getItemCount(): Int {
        return list.size
    }


    class MyViewHolder(itemView: View?,viewGroup: ViewGroup?,fs:Boolean?) : RecyclerView.ViewHolder(itemView) {

        var t:TextView

        init {

            t=itemView as TextView
        }

    }
}

News.kt实体类

  package com.ailtt.kt

/**
 * Created by pengzhihao on 2017/5/21.
 */
class News {
    var reason: String? = null
    var result: ResultBean? = null
    var error_code: Int = 0

    class ResultBean {
        var stat: String? = null
        var data: List<DataBean>? = null

        class DataBean {
            var uniquekey: String? = null
            var title: String? = null
            var date: String? = null
            var category: String? = null
            var author_name: String? = null
            var url: String? = null
            var thumbnail_pic_s: String? = null
            var thumbnail_pic_s02: String? = null
            var thumbnail_pic_s03: String? = null
        }
    }
}