MVP+retrofit和Rxjava请求数据+recyclerview展示

接口;

http://api.tianapi.com/nba/?key=71e58b5b2f930eaf1f937407acde08fe&num=10

依赖:

compile 'com.squareup.retrofit2:retrofit:2.3.0'
    compile 'com.squareup.retrofit2:converter-gson:2.3.0'
    compile 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'
    compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
    compile 'com.squareup.retrofit2:converter-scalars:2.3.0'
    compile 'io.reactivex.rxjava2:rxjava:2.1.7'

    compile 'com.android.support:recyclerview-v7:26.1.0'
    compile 'com.facebook.fresco:fresco:1.5.0'

IApplication

package com.example.myapplication;

import android.app.Application;

import com.facebook.drawee.backends.pipeline.Fresco;

import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;

/**
 * Created by Administrator on 2017/12/6.
 */

public class IApplication extends Application {

    public static IGEtDataBase igEtDataBase;

    @Override
    public void onCreate() {
        super.onCreate();
        Fresco.initialize(this);
        Retrofit retrofit=new Retrofit.Builder()
                .baseUrl("http://api.tianapi.com")
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .addConverterFactory(GsonConverterFactory.create())
                .build();
        igEtDataBase = retrofit.create(IGEtDataBase.class);

    }
}

IGetDataBase

package com.example.myapplication;

import com.example.myapplication.bean.Bean;

import java.util.Map;

import io.reactivex.Observable;
import retrofit2.http.FieldMap;
import retrofit2.http.FormUrlEncoded;
import retrofit2.http.GET;
import retrofit2.http.POST;
import retrofit2.http.QueryMap;
import retrofit2.http.Url;

/**
 * Created by Administrator on 2017/12/6.
 */

public interface IGEtDataBase {
    @GET("/nba/")
    Observable get(@QueryMap Map map);


/*
    @GET
    Observable get(@Url String url, @QueryMap Map map);
    @GET
    Observable get(@Url String url);
    @FormUrlEncoded
    @POST
    Observable post(@Url String url, @FieldMap Map map);*/
}

model层

MyModelCallBack

package com.example.myapplication.model;

import com.example.myapplication.bean.Bean;

/**
 * Created by Administrator on 2017/12/6.
 */

public interface MyModelCallBack {
   public void success(Bean bean);
   public void fail(Exception e);
}

MyModel

package com.example.myapplication.model;

import com.example.myapplication.IApplication;
import com.example.myapplication.bean.Bean;

import java.util.HashMap;
import java.util.Map;

import io.reactivex.Observable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.functions.Consumer;
import io.reactivex.schedulers.Schedulers;
import retrofit2.Call;

/**
 * Created by Administrator on 2017/12/6.
 */

public class MyModel {
    public void getData(final MyModelCallBack callBack){
        Map map = new HashMap<>();
        map.put("key","71e58b5b2f930eaf1f937407acde08fe");
        map.put("num","10");
      IApplication.igEtDataBase.get(map)
        .subscribeOn(Schedulers.io())
              .observeOn(AndroidSchedulers.mainThread())
              .subscribe(new Consumer() {
                  @Override
                  public void accept(Bean bean) throws Exception {
                      callBack.success(bean);
                  }
              });



    }
}

MyListener

package com.example.myapplication.view;

import com.example.myapplication.bean.Bean;

/**
 * Created by Administrator on 2017/12/6.
 */

public interface MyListener {
    public void success(Bean bean);
    public void fail(Exception e);
}

MyPresenter

package com.example.myapplication.presenter;

import com.example.myapplication.bean.Bean;
import com.example.myapplication.model.MyModel;
import com.example.myapplication.model.MyModelCallBack;
import com.example.myapplication.view.MyListener;

/**
 * Created by Administrator on 2017/12/6.
 */

public class MyPresenter {
    MyListener listener;
     MyModel model;
    public MyPresenter(MyListener listener){
        this.listener=listener;
        this.model=new MyModel();
    }
    public void get(){
        model.getData(new MyModelCallBack() {
            @Override
            public void success(Bean bean) {
                listener.success(bean);
            }

            @Override
            public void fail(Exception e) {
            listener.fail(e);
            }
        });
    }
}

MainActivity

package com.example.myapplication;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;

import com.example.myapplication.bean.Bean;
import com.example.myapplication.presenter.MyPresenter;
import com.example.myapplication.view.MyListener;

public class MainActivity extends AppCompatActivity implements MyListener{

    private RecyclerView recyclerView;
    private MyPresenter presenter;
    private MyAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        recyclerView = findViewById(R.id.recycle);
        presenter = new MyPresenter(this);
        presenter.get();
        LinearLayoutManager manager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
        recyclerView.setLayoutManager(manager);
        adapter = new MyAdapter(this);
        recyclerView.setAdapter(adapter);
    }

    @Override
    public void success(Bean bean) {
       adapter.add(bean);
    }

    @Override
    public void fail(Exception e) {

    }
}

布局

MyAdapter

package com.example.myapplication;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.example.myapplication.bean.Bean;
import com.facebook.drawee.view.SimpleDraweeView;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by Administrator on 2017/12/6.
 */

class MyAdapter extends RecyclerView.Adapter {
    Context context;
    List list;
    public MyAdapter(Context context) {
        this.context=context;
    }

    public void add(Bean bean) {
        if(list==null){
            list=new ArrayList<>();
        }
        list.addAll(bean.getNewslist());
        notifyDataSetChanged();
    }


    @Override
    public IViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view= LayoutInflater.from(context).inflate(R.layout.adapter_item,null);
        return new IViewHolder(view);
    }

    @Override
    public void onBindViewHolder(IViewHolder holder, int position) {
            holder.simole.setImageURI(list.get(position).getPicUrl());
            holder.title.setText(list.get(position).getTitle());
    }

    @Override
    public int getItemCount() {
        return list==null ? 0 : list.size();
    }

    public class IViewHolder extends RecyclerView.ViewHolder {

        private final TextView title;
        private final SimpleDraweeView simole;

        public IViewHolder(View itemView) {
            super(itemView);
            title = itemView.findViewById(R.id.title);
            simole = itemView.findViewById(R.id.simple);
        }
    }
}

适配器布局