public class Api {
public static final String url="http://tingapi.ting.baidu.com/v1/restserver/ting?method=baidu.ting.billboard.billList&type=1&size=10&offset=%s";
}
net包下 网络请求
package bwie.com.zhoukao2.net;
import java.util.concurrent.TimeUnit;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
/**
*
*/
public class HttpUtils {
private static HttpUtils httpUtils;
private final OkHttpClient client;
private HttpUtils(){
client = new OkHttpClient.Builder()
//设置拦截器
.addInterceptor(new LoggingInterceptor())
//设置操作
.connectTimeout(5, TimeUnit.SECONDS)
.readTimeout(5, TimeUnit.SECONDS)
.writeTimeout(5, TimeUnit.SECONDS)
.build();
}
public static HttpUtils getHttpUtils(){
if(httpUtils==null){
synchronized (HttpUtils.class){
if(httpUtils==null){
httpUtils=new HttpUtils();
}
}
}
return httpUtils;
}
//doget方法
public void doGet(String url, Callback callback){
Request request = new Request.Builder().url(url).build();
client.newCall(request).enqueue(callback);
}
//dopost方法
/* public void doPost(String url, Mapparams, Callback callback) {
FormBody.Builder builder = new FormBody.Builder();
for (Map.Entryentry : params.entrySet()) {
builder.add(entry.getKey(), entry.getValue());
}
FormBody formBody = builder.build();
Request request = new Request.Builder().url(url).post(formBody).build();
client.newCall(request).enqueue(callback);
}*/
}
拦截器
package bwie.com.zhoukao2.net;
import android.os.Build;
import java.io.IOException;
import okhttp3.Interceptor;
import okhttp3.Request;
import okhttp3.Response;
/**
* Created by 笔片 on 2017/10/16.
* 网络拦截器
*/
public class LoggingInterceptor implements Interceptor{
private static final String UA = "User-Agent";
@Override
public Response intercept(Chain chain) throws IOException {
Request request = chain.request()
.newBuilder()
.addHeader(UA, makeUA())
.build();
return chain.proceed(request);
}
private String makeUA() {
String s = Build.BRAND + "/" + Build.MODEL + "/" + Build.VERSION.RELEASE;
return Build.BRAND + "/" + Build.MODEL + "/" + Build.VERSION.RELEASE;
}
}
成功或者失败的方法
package bwie.com.zhoukao2.net;
/**
*
*/
public interface OnNetListener{
public void onSuccess(T t);
public void onFailure(Exception e);
}
model下 MusicModel
package bwie.com.zhoukao2.model;
import android.os.Handler;
import android.os.Looper;
import com.google.gson.Gson;
import java.io.IOException;
import bwie.com.zhoukao2.bean.MusicBean;
import bwie.com.zhoukao2.net.Api;
import bwie.com.zhoukao2.net.HttpUtils;
import bwie.com.zhoukao2.net.OnNetListener;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;
/**
*
*/
public class MusicModel implements IMusicModel{
private Handler handler = new Handler(Looper.getMainLooper());
public void getMusic(String offset, final OnNetListeneronNetListener){
String url = String.format(Api.url, offset);
HttpUtils.getHttpUtils().doGet(url, new Callback() {
@Override
public void onFailure(Call call, final IOException e) {
handler.post(new Runnable() {
@Override
public void run() {
onNetListener.onFailure(e);
}
});
}
@Override
public void onResponse(Call call, Response response) throws IOException {
String string = response.body().string();
final MusicBean musicBean = new Gson().fromJson(string, MusicBean.class);
handler.post(new Runnable() {
@Override
public void run() {
onNetListener.onSuccess(musicBean);
}
});
}
});
}
}
IMusicModel
package bwie.com.zhoukao2.model;
import bwie.com.zhoukao2.bean.MusicBean;
import bwie.com.zhoukao2.net.OnNetListener;
/**
*
*/
public interface IMusicModel {
public void getMusic(String offset, final OnNetListeneronNetListener);
}
presenter层 MusicPresenter
package bwie.com.zhoukao2.presenter;
import bwie.com.zhoukao2.bean.MusicBean;
import bwie.com.zhoukao2.model.MusicModel;
import bwie.com.zhoukao2.net.OnNetListener;
import bwie.com.zhoukao2.view.IMainActivity;
/**
*
*/
public class MusicPresenter {
private final MusicModel musicModel;
private IMainActivity iMainActivity;
public MusicPresenter(IMainActivity iMainActivity) {
this.iMainActivity = iMainActivity;
musicModel = new MusicModel();
}
public void getMusic(String offset){
musicModel.getMusic(offset, new OnNetListener() {
@Override
public void onSuccess(MusicBean musicBean) {
iMainActivity.showBannerIv(musicBean.getBillboard().getPic_s640());
iMainActivity.showRv(musicBean.getSong_list());
}
@Override
public void onFailure(Exception e) {
}
});
}
}
view层 MainActivity
package bwie.com.zhoukao2.view;
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 android.widget.TextView;
import com.nostra13.universalimageloader.core.ImageLoader;
import java.util.List;
import bwie.com.zhoukao2.R;
import bwie.com.zhoukao2.adapter.MyAdapter;
import bwie.com.zhoukao2.bean.MusicBean;
import bwie.com.zhoukao2.presenter.MusicPresenter;
import static android.R.attr.offset;
public class MainActivity extends AppCompatActivity implements IMainActivity{
private MusicPresenter musicPresenter;
private ImageView mIv;
private ImageView mIvBanner;
private TextView mTvTitle;
private TextView mTvTime;
private TextView mTvContent;
private RecyclerView mRv;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
musicPresenter = new MusicPresenter(this);
//一进页面就请求数据
musicPresenter.getMusic(offset + "");
mRv.setLayoutManager(new LinearLayoutManager(this));
}
private void initView() {
mIv = (ImageView) findViewById(R.id.iv);
mIvBanner = (ImageView) findViewById(R.id.iv_banner);
mTvTitle = (TextView) findViewById(R.id.tvTitle);
mTvTime = (TextView) findViewById(R.id.tvTime);
mTvContent = (TextView) findViewById(R.id.tvContent);
mRv = (RecyclerView) findViewById(R.id.rv);
}
@Override
public void showBannerIv(String imgUrl) {
ImageLoader.getInstance().displayImage(imgUrl,mIvBanner);
}
@Override
public void showRv(Listlist) {
MyAdapter myAdapter = new MyAdapter(this, list);
mRv.setAdapter(myAdapter);
}
}
IMainActivity
package bwie.com.zhoukao2.view;
import java.util.List;
import bwie.com.zhoukao2.bean.MusicBean;
/**
*
*/
public interface IMainActivity {
public void showBannerIv(String imgUrl);
public void showRv(Listlist);
}
适配器adapter下 MyAdapter
package bwie.com.zhoukao2.adapter;
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.ImageView;
import android.widget.TextView;
import com.nostra13.universalimageloader.core.ImageLoader;
import java.util.List;
import bwie.com.zhoukao2.R;
import bwie.com.zhoukao2.bean.MusicBean;
/**
*
*/
public class MyAdapter extends RecyclerView.Adapter{
private Context context;
private Listlist;
public MyAdapter(Context context, Listlist) {
this.cOntext= context;
this.list = list;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(context).inflate(R.layout.item, parent, false);
return null;
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
MusicBean.SongListBean songListBean = list.get(position);
MyViewHolder myViewHolder = (MyViewHolder) holder;
ImageLoader.getInstance().displayImage(songListBean.getPic_big(), myViewHolder.iv);
myViewHolder.tvTop.setText(songListBean.getAuthor());
myViewHolder.tv_bottom.setText(songListBean.getSi_proxycompany());
}
@Override
public int getItemCount() {
return list.size();
}
class MyViewHolder extends RecyclerView.ViewHolder{
private final ImageView iv;
private final TextView tvTop;
private final TextView tv_bottom;
public MyViewHolder(View itemView) {
super(itemView);
iv= (ImageView) itemView.findViewById(R.id.iv_item);
tvTop= (TextView) itemView.findViewById(R.id.tv_top);
tv_bottom= (TextView) itemView.findViewById(R.id.tv_bottom);
}
}
}
app包下 MyApp
public class MyApp extends Application{
@Override
public void onCreate() {
super.onCreate();
ImageLoaderConfiguration cOnfiguration= new ImageLoaderConfiguration.Builder(this).build();
ImageLoader.getInstance().init(configuration);
}
}
布局layout 主界面
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_
android:layout_
android:orientation="vertical"
tools:cOntext="bwie.com.zhoukao2.view.MainActivity">
android:layout_
android:layout_
android:background="#ff3360">
android:id="@+id/iv"
android:layout_
android:layout_
android:layout_centerVertical="true"
android:background="@mipmap/ic_launcher" />
android:layout_
android:layout_
android:layout_centerVertical="true"
android:layout_marginLeft="5dp"
android:layout_toRightOf="@id/iv"
android:text="百度热歌榜" />
android:layout_
android:layout_
android:gravity="center_vertical"
android:orientation="horizontal">
android:id="@+id/iv_banner"
android:layout_
android:layout_ />
android:layout_
android:layout_
android:orientation="vertical">
android:id="@+id/tvTitle"
android:layout_
android:layout_ />
android:id="@+id/tvTime"
android:layout_
android:layout_ />
android:id="@+id/tvContent"
android:layout_
android:layout_ />
android:id="@+id/rv"
android:layout_
android:layout_>
item.xml
android:orientation="horizontal" android:layout_
android:layout_>
android:id="@+id/iv_item"
android:layout_
android:layout_ />
android:layout_
android:layout_
android:orientation="vertical">
android:id="@+id/tv_top"
android:layout_
android:layout_ />
android:id="@+id/tv_bottom"
android:layout_
android:layout_ />
AndroidManifest.xml配置
android:name=".app.MyApp"