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retrofit|retrofit + rxjava 网络请求展示数据
//依赖
//retrofit加上gson解析
implementation 'com.squareup.retrofit2:converter-gson:2.0.0-beta4'
//retrofit 和 rxjava结合
implementation 'com.squareup.retrofit2:adapter-rxjava:2.0.1'//recycleview
implementation 'com.android.support:recyclerview-v7:28.0.0'
//fresco
implementation 'com.facebook.fresco:fresco:0.14.1'
//rxjava
implementation 'io.reactivex:rxandroid:1.2.1'
implementation 'io.reactivex:rxjava:1.1.6'
//注册
package com.example.rikao19;
import android.app.Application;
import com.facebook.drawee.backends.pipeline.Fresco;
/**
* date:2018/12/19
* author:111(叮咯呤咚呛)
* function:
*/
public class MyApplication extends Application {@Override
public void onCreate() {
super.onCreate();
Fresco.initialize(this);
}
}
//存放接口类
public class Constant {
public final static String url="http://www.xieast.com/api/";
}
//创建接口记住是导rx的包package com.example.rikao19;
import retrofit2.http.GET;
import rx.Observable;
/**
* date:2018/12/19
* author:111(叮咯呤咚呛)
* function:
*/
public interface MyService {
@GET("news/news.php")
Observable getCall();
}
//adapter
package com.example.rikao19;
import android.content.Context;
import android.net.Uri;
import android.support.annotation.NonNull;
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;
/**
* date:2018/12/19
* author:111(叮咯呤咚呛)
* function:
*/
public class MainAdapter extends RecyclerView.Adapter {List list;
Context mContext;
public MainAdapter(Context context) {
mContext = context;
list = new ArrayList<>();
}@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View view = View.inflate(mContext,R.layout.recy_item,null);
ViewHolder viewHolder = new ViewHolder(view);
return viewHolder;
}@Override
public void onBindViewHolder(@NonNull ViewHolder viewHolder, int i) {
viewHolder.time.setText(list.get(i).getAuthor_name());
viewHolder.sex.setText(list.get(i).getCategory());
viewHolder.mynicheng.setText(list.get(i).getAuthor_name());
viewHolder.myname.setText(list.get(i).getDate());
Uri url = Uri.parse(list.get(i).getThumbnail_pic_s());
viewHolder.simple.setImageURI(url);
}@Override
public int getItemCount() {
return list.size();
}public void setData(List data) {
list = data;
notifyDataSetChanged();
}public class ViewHolder extends RecyclerView.ViewHolder {SimpleDraweeView simple;
TextView myname,mynicheng,sex,time;
public ViewHolder(@NonNull View itemView) {
super(itemView);
simple = itemView.findViewById(R.id.simple);
myname = itemView.findViewById(R.id.myname);
mynicheng = itemView.findViewById(R.id.mynicheng);
sex = itemView.findViewById(R.id.sex);
time = itemView.findViewById(R.id.time);
}
}
}
//.java
package com.example.rikao19;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.widget.ImageView;
import java.util.List;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava.RxJavaCallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;
import rx.Observable;
import rx.Observer;
import rx.android.schedulers.AndroidSchedulers;
import rx.schedulers.Schedulers;
public class MainActivity extends AppCompatActivity {private ImageView image;
private RecyclerView recy;
MainAdapter mAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
initData();
}private void initData() {
mAdapter = new MainAdapter(this);
Retrofit retrofit = new Retrofit.Builder()
.baseUrl(Constant.url)
.addCallAdapterFactory(RxJavaCallAdapterFactory.create())
.addConverterFactory(GsonConverterFactory.create())
.build();
MyService myService = retrofit.create(MyService.class);
Observable call = myService.getCall();
call.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Observer() {
@Override
public void onCompleted() {}@Override
public void onError(Throwable e) {}@Override
public void onNext(MainBean mainBean) {List data = https://www.it610.com/article/mainBean.getData();
mAdapter.setData(data);
recy.setAdapter(mAdapter);
recy.setLayoutManager(new LinearLayoutManager(MainActivity.this));
}
});
}private void initView() {
image = (ImageView) findViewById(R.id.image);
recy = (RecyclerView) findViewById(R.id.recy);
}
}
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