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<Bean> get(@QueryMap Map<String,String> map);/*    @GET    Observable<String> get(@Url String url, @QueryMap Map<String,String> map);    @GET    Observable<String> get(@Url String url);    @FormUrlEncoded    @POST    Observable<String> post(@Url String url, @FieldMap Map<String,String> 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<String, String> map = new HashMap<>();        map.put("key","71e58b5b2f930eaf1f937407acde08fe");        map.put("num","10");      IApplication.igEtDataBase.get(map)        .subscribeOn(Schedulers.io())              .observeOn(AndroidSchedulers.mainThread())              .subscribe(new Consumer<Bean>() {                  @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

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:app="http://schemas.android.com/apk/res-auto"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"    tools:context="com.example.myapplication.MainActivity">    <android.support.v7.widget.RecyclerView        android:layout_width="match_parent"        android:layout_height="match_parent"        android:id="@+id/recycle"></android.support.v7.widget.RecyclerView></LinearLayout>

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<MyAdapter.IViewHolder> {    Context context;    List<Bean.NewslistBean> 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

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:app="http://schemas.android.com/apk/res-auto"    android:orientation="horizontal"    android:layout_width="match_parent"    android:layout_height="match_parent"><TextView    android:layout_width="250dp"    android:id="@+id/title"    android:layout_height="wrap_content" />    <com.facebook.drawee.view.SimpleDraweeView        android:layout_width="100dp"        android:layout_height="100dp"        android:id="@+id/simple"        app:roundAsCircle="true"/></LinearLayout>