RecyclleView使用RxJava与Retrofit网络加载Fresco

dimens:

<resources>
<!-- Default screen margins, per the Android Design guidelines. -->
<dimen name="activity_horizontal_margin">16dp</dimen>
<dimen name="activity_vertical_margin">16dp</dimen>
</resources>


activity_main:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
>

<android.support.v7.widget.RecyclerView
android:id="@+id/recycleView"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</RelativeLayout>


item_layout:

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

</LinearLayout>


IApplication:


package com.bawei.guolei.guolei2017127;

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 Lenovo on 2017/12/7.
*/
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")
.addConverterFactory(GsonConverterFactory.create())
.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
.build();

iGetDataBase = retrofit.create(IGetDataBase.class);

}
}


MainActivity:


package com.bawei.guolei.guolei2017127;

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

import com.bawei.guolei.guolei2017127.presenter.MainPresenter;
import com.bawei.guolei.guolei2017127.view.MainView;

public class MainActivity extends AppCompatActivity implements MainView{

private RecyclerView recyclerView;
private MainPresenter presenter;
private LinearLayoutManager manager;
private IAdapter adapter;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

recyclerView = (RecyclerView) findViewById(R.id.recycleView);

presenter = new MainPresenter(this);
presenter.get();
manager = new LinearLayoutManager(this);
adapter = new IAdapter(this);
recyclerView.setLayoutManager(manager);
recyclerView.setAdapter(adapter);

}

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

@Override
public void failure(Exception e) {

}
}


IGetDataBase:


package com.bawei.guolei.guolei2017127;

import io.reactivex.Observable;
import retrofit2.http.GET;
import retrofit2.http.Query;

/**
* Created by Lenovo on 2017/12/7.
*/
public interface IGetDataBase {

@GET("/nba")
Observable<Bean> get(@Query("key") String key,@Query("num") String num);

}


IAdapter:
<
4000
/p>
package com.bawei.guolei.guolei2017127;

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

import com.facebook.drawee.view.SimpleDraweeView;

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

/**
* Created by Lenovo on 2017/12/7.
*/
public class IAdapter extends RecyclerView.Adapter<IAdapter.ViewHolder>{

private Context context;
private List<Bean.NewslistBean> list;
public IAdapter(Context context){
this.context=context;

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

}

@Override
public IAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {

View view=View.inflate(context,R.layout.item_layout,null);

return new ViewHolder(view);
}

@Override
public void onBindViewHolder(IAdapter.ViewHolder holder, int position) {
holder.simple.setImageURI(list.get(position).getPicUrl());
holder.text.setText(list.get(position).getTitle());

}

@Override
public int getItemCount() {
return list==null?0:list.size();
}
static class ViewHolder extends RecyclerView.ViewHolder{
SimpleDraweeView simple=itemView.findViewById(R.id.simple);
TextView text=itemView.findViewById(R.id.text_view);
public ViewHolder(View itemView) {
super(itemView);
}
}
}


Bean:

package com.bawei.guolei.guolei2017127;

import java.util.List;

/**
* Created by Lenovo on 2017/12/7.
*/
public class Bean {

/**
* code : 200
* msg : success
* newslist : [{"ctime":"2016-12-04 13:00","title":"格林：理解科尔吸食大麻 不过我从没吸过","description":"NBA新闻","picUrl":"http://www.51tyw.com/uploads/allimg/161204/1-161204120131.jpg","url":"http://www.51tyw.com/nba/2421.html"},{"ctime":"2016-12-04 00:00","title":"三分纪录延续！火箭队连续19场比赛命中10+三分球","description":"NBA新闻","picUrl":"http://www.51tyw.com/uploads/allimg/161203/1-161203233J3.jpg","url":"http://www.51tyw.com/nba/2417.html"},{"ctime":"2016-12-04 00:00","title":"詹姆斯谈三连败：是时候紧起来了 必须打得男人点","description":"NBA新闻","picUrl":"http://www.51tyw.com/uploads/allimg/161203/1-161203234010.jpg","url":"http://www.51tyw.com/nba/2418.html"},{"ctime":"2016-12-03 12:00","title":"骑士输赢都靠三分？那还要詹姆斯做什么？","description":"NBA新闻","picUrl":"http://www.51tyw.com/uploads/allimg/161203/1-161203104344.jpg","url":"http://www.51tyw.com/nba/2407.html"},{"ctime":"2016-12-03 00:00","title":"公牛vs骑士直播看点：詹伟兄弟对决","description":"NBA新闻","picUrl":"http://www.51tyw.com/uploads/allimg/161202/1-161202221205.jpg","url":"http://www.51tyw.com/nba/2395.html"},{"ctime":"2016-12-02 22:00","title":"火箭和勇士联手创NBA三分纪录","description":"NBA新闻","picUrl":"http://www.51tyw.com/uploads/allimg/161202/1-161202214212.jpg","url":"http://www.51tyw.com/nba/2392.html"},{"ctime":"2016-12-02 22:00","title":"巴克利：勇士打得像女式篮球，太软了！","description":"NBA新闻","picUrl":"http://www.51tyw.com/uploads/allimg/161202/1-161202215032.jpg","url":"http://www.51tyw.com/nba/2394.html"},{"ctime":"2016-12-02 20:00","title":"詹姆斯完成月最佳球员4连霸的壮举！","description":"NBA新闻","picUrl":"http://www.51tyw.com/uploads/allimg/161202/1-1612021PI0.jpg","url":"http://www.51tyw.com/nba/2388.html"},{"ctime":"2016-12-01 00:00","title":"威少再下三双战书！詹皇会不会先认怂？","description":"NBA新闻","picUrl":"http://www.51tyw.com/uploads/allimg/161128/1-16112Q13251.jpg","url":"http://www.51tyw.com/nba/2374.html"},{"ctime":"2016-12-01 00:00","title":"骑士这样的防守想夺冠？也许卫冕只是空谈！","description":"NBA新闻","picUrl":"http://www.51tyw.com/uploads/allimg/161130/1-161130222229.jpg","url":"http://www.51tyw.com/nba/2375.html"}]
*/

private int code;
private String msg;
private List<NewslistBean> newslist;

public int getCode() {
return code;
}

public void setCode(int code) {
this.code = code;
}

public String getMsg() {
return msg;
}

public void setMsg(String msg) {
this.msg = msg;
}

public List<NewslistBean> getNewslist() {
return newslist;
}

public void setNewslist(List<NewslistBean> newslist) {
this.newslist = newslist;
}

public static class NewslistBean {
/**
* ctime : 2016-12-04 13:00
* title : 格林：理解科尔吸食大麻 不过我从没吸过
* description : NBA新闻
* picUrl : http://www.51tyw.com/uploads/allimg/161204/1-161204120131.jpg * url : http://www.51tyw.com/nba/2421.html */

private String ctime;
private String title;
private String description;
private String picUrl;
private String url;

public String getCtime() {
return ctime;
}

public void setCtime(String ctime) {
this.ctime = ctime;
}

public String getTitle() {
return title;
}

public void setTitle(String title) {
this.title = title;
}

public String getDescription() {
return description;
}

public void setDescription(String description) {
this.description = description;
}

public String getPicUrl() {
return picUrl;
}

public void setPicUrl(String picUrl) {
this.picUrl = picUrl;
}

public String getUrl() {
return url;
}

public void setUrl(String url) {
this.url = url;
}
}
}


M层：

ModelCallBack ：


package com.bawei.guolei.guolei2017127.model;

import com.bawei.guolei.guolei2017127.Bean;

/**
* Created by Lenovo on 2017/12/7.
*/
public interface ModelCallBack {
public void success(Bean bean);
public void failure(Exception e);
}


MainModel：


package com.bawei.guolei.guolei2017127.model;

import com.bawei.guolei.guolei2017127.Bean;
import com.bawei.guolei.guolei2017127.IApplication;

import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.functions.Consumer;
import io.reactivex.schedulers.Schedulers;

/**
* Created by Lenovo on 2017/12/7.
*/
public class MainModel {
public void getData(final ModelCallBack callBack){
IApplication.iGetDataBase.get("71e58b5b2f930eaf1f937407acde08fe","10")
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Consumer<Bean>() {
@Override
public void accept(Bean bean) throws Exception {
callBack.success(bean);
}
});

}
}


P层：

MainPresenter：


package com.bawei.guolei.guolei2017127.presenter;

import com.bawei.guolei.guolei2017127.Bean;
import com.bawei.guolei.guolei2017127.model.MainModel;
import com.bawei.guolei.guolei2017127.model.ModelCallBack;
import com.bawei.guolei.guolei2017127.view.MainView;

/**
* Created by Lenovo on 2017/12/7.
*/
public class MainPresenter {

private MainView mainView;
private MainModel mainModel;
public MainPresenter(MainView mainView){
this.mainView=mainView;
this.mainModel=new MainModel();

}
public void get(){
mainModel.getData(new ModelCallBack() {
@Override
public void success(Bean bean) {
if (mainView!=null){
mainView.success(bean);
}
}

@Override
public void failure(Exception e) {
if (mainView!=null){
mainView.failure(e);
}

}
});

}
}


V层：

MainView:

package com.bawei.guolei.guolei2017127.view;

import com.bawei.guolei.guolei2017127.Bean;

/**
* Created by Lenovo on 2017/12/7.
*/
public interface MainView {
public void success(Bean bean);
public void failure(Exception e);
}


依赖： compile 'com.squareup.retrofit2:retrofit:2.0.0-beta4'
compile 'com.squareup.retrofit2:converter-gson:2.0.0-beta4'
compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
compile 'io.reactivex.rxjava2:rxjava:2.1.7'
compile 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'
compile 'com.android.support:recyclerview-v7:26.0.0-alpha1'
compile 'com.facebook.fresco:fresco:0.14.1'
compile 'com.jakewharton:butterknife:7.0.0'