RecyclerView+OKHttp+MVP数据请求
添加的依赖
compile 'com.android.support:appcompat-v7:25.3.1'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
compile 'com.squareup.okio:okio:1.5.0'
compile 'com.squareup.okhttp3:okhttp:3.2.0'
compile 'com.squareup.okhttp3:logging-interceptor:3.4.1'
compile 'com.google.code.gson:gson:2.8.2'
compile 'com.jcodecraeer:xrecyclerview:1.3.2'
compile 'com.github.bumptech.glide:glide:3.6.1'
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
第一个activity.xml
<?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.bawie.www.okhttpmvp.MainActivity">
<com.jcodecraeer.xrecyclerview.XRecyclerView
android:layout_width="368dp"
android:layout_height="495dp"
android:id="@+id/mRecyclerView"
tools:layout_editor_absoluteY="8dp"
tools:layout_editor_absoluteX="8dp">
</com.jcodecraeer.xrecyclerview.XRecyclerView>
</LinearLayout>
第二个activity
<?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"
tools:context="com.bawie.www.okhttpmvp.Main2Activity">
<ImageView
android:layout_width="20dp"
android:layout_height="20dp"
android:id="@+id/img"
android:src="@drawable/a"
/>
</LinearLayout>
item布局
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
>
<ImageView
android:layout_width="100dp"
android:layout_height="100dp"
android:id="@+id/img"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:textSize="20dp"
android:id="@+id/tv"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="10dp"
android:id="@+id/tv2"
/>
</LinearLayout>
第一个MainActivity数据请求
package com.bawie.www.okhttpmvp;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.view.View;
import com.bawie.www.okhttpmvp.model.Bean;
import com.bawie.www.okhttpmvp.presenter.MyAdapter;
import com.bawie.www.okhttpmvp.presenter.Presenter;
import com.bawie.www.okhttpmvp.view.Iv;
import com.jcodecraeer.xrecyclerview.ProgressStyle;
import com.jcodecraeer.xrecyclerview.XRecyclerView;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity implements Iv{
private XRecyclerView mRecyclerView;
private MyAdapter adapter;
private Presenter presenter;
private int page=1;
private boolean flag=true;
private List<Bean.NewslistBean> lists=new ArrayList<>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mRecyclerView= (XRecyclerView) findViewById(R.id.mRecyclerView);
LinearLayoutManager man =new LinearLayoutManager(this,LinearLayoutManager.VERTICAL,false);
mRecyclerView.setLayoutManager(man);
adapter=new MyAdapter(this,lists);
mRecyclerView.setAdapter(adapter);
mRecyclerView.setLoadingMoreEnabled(true);
mRecyclerView.setLoadingMoreProgressStyle(ProgressStyle.SquareSpin);
mRecyclerView.setLoadingListener(new XRecyclerView.LoadingListener() {
@Override
public void onRefresh() {
page=1;
flag=true;
loadData();
}
@Override
public void onLoadMore() {
page++;
flag=false;
loadData();
}
});
loadData();
adapter.setmOnItemClickListener(new MyAdapter.OnItemClickListener() {
@Override
public void onItemClick(View view, int position) {
Intent intent =new Intent(MainActivity.this,Main2Activity.class);
startActivity(intent);
}
});
}
private void loadData() {
presenter =new Presenter(this);
presenter.get(page);
}
@Override
public void onSuccess(List<Bean.NewslistBean> list) {
if (flag) {
mRecyclerView.refreshComplete();
}else {
mRecyclerView.loadMoreComplete();
}
lists.clear();
lists.addAll(list);
adapter.notifyDataSetChanged();
}
@Override
public void onFailed(Exception e) {
}
@Override
protected void onDestroy() {
super.onDestroy();
presenter.DetchView();
}
}
Main2Activity第二个属性动画
package com.bawie.www.okhttpmvp;
import android.animation.TypeEvaluator;
import android.animation.ValueAnimator;
import android.content.Intent;
import android.graphics.PointF;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.animation.LinearInterpolator;
import android.widget.ImageView;
public class Main2Activity extends AppCompatActivity {
private ImageView imageView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
imageView = (ImageView) findViewById(R.id.img);
ValueAnimator valueAnimator =new ValueAnimator();
valueAnimator.setDuration(5000);
valueAnimator.setObjectValues(new PointF(0, 0));
valueAnimator.setInterpolator(new LinearInterpolator());
valueAnimator.setEvaluator(new TypeEvaluator<PointF>()
{
// fraction = t / duration
@Override
public PointF evaluate(float fraction, PointF startValue, PointF endValue)
{
// x方向200px/s ，则y方向0.5 * 10 * t
PointF point = new PointF();
point.x = 200 * fraction * 3;
point.y = 0.5f * 200 * (fraction * 3) * (fraction * 3);
return point;
}
});
valueAnimator.start();
valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener()
{
@Override
public void onAnimationUpdate(ValueAnimator animation)
{
PointF point = (PointF) animation.getAnimatedValue();
imageView.setX(point.x);
imageView.setY(point.y);
}
});
new Handler().postDelayed(new Runnable()
{
@Override
public void run()
{
Intent intent = new Intent(Main2Activity.this, Main3Activity.class);
startActivity(intent);
Main2Activity.this.finish();
}
}, 5000);
}
}
CallBack类
package com.bawie.www.okhttpmvp.callback;
/**
* Created by HASEE on 2017/11/21.
*/
public interface CallBack {
void onSuccess(Object o);
void onFailed(Exception e);
}
Bean类
package com.bawie.www.okhttpmvp.model;
import java.util.List;
/**
* Created by HASEE on 2017/11/21.
*/
public class Bean {
/**
* code : 200
* msg : success
* newslist : [{"ctime":"2016-03-06 14:11","title":"德克萨斯州体验美国的枪支文化","description":"网易旅游","picUrl":"http://imgsize.ph.126.net/?imgurl=http://img4.cache.netease.com/travel/2016/1/10/2016011011515085b41_550.jpg_180x130x1x85.jpg","url":"http://travel.163.com/16/0110/11/BCVF471L00063KE8.html"},{"ctime":"2016-03-06 14:11","title":"老外眼中的25大最中国特色 还真是这么回事!","description":"网易旅游","picUrl":"http://imgsize.ph.126.net/?imgurl=http://img5.cache.netease.com/travel/2016/1/10/201601101209010164a.jpg_180x130x1x85.jpg","url":"http://travel.163.com/16/0110/12/BCVGCMVN00063KE8.html"},{"ctime":"2016-03-06 14:11","title":"游客光天化日在巴西里约街头被少年抢劫","description":"网易旅游","picUrl":"http://imgsize.ph.126.net/?imgurl=http://img5.cache.netease.com/travel/2016/1/8/2016010812321010498_550.jpg_180x130x1x85.jpg","url":"http://travel.163.com/16/0110/12/BCVHQU9100063KE8.html"},{"ctime":"2016-03-06 14:11","title":"外国人没懂老炮儿翻译 这些影视译名戳你笑点","description":"网易旅游","picUrl":"http://imgsize.ph.126.net/?imgurl=http://img2.cache.netease.com/travel/2016/1/8/201601081300498c376_550.jpg_180x130x1x85.jpg","url":"http://travel.163.com/16/0110/13/BCVJ6SHV00063KE8.html"},{"ctime":"2016-03-06 14:11","title":"伤性食物最全名单 为了\u201c性福\u201d要少吃","description":"网易旅游","picUrl":"http://imgsize.ph.126.net/?imgurl=http://img6.cache.netease.com/travel/2016/1/8/201601081321198ce82.jpg_180x130x1x85.jpg","url":"http://travel.163.com/16/0110/13/BCVKIQQ700063KE8.html"},{"ctime":"2016-03-06 14:11","title":"人间伊甸园巴哈马 全球最性感的地方","description":"网易旅游","picUrl":"http://imgsize.ph.126.net/?imgurl=http://img1.cache.netease.com/travel/2016/1/8/201601081331427dc48.jpg_180x130x1x85.jpg","url":"http://travel.163.com/16/0110/13/BCVL54UE00063KE8.html"},{"ctime":"2016-03-06 14:11","title":"布达佩斯 那些被惊扰的闲情","description":"网易旅游","picUrl":"http://imgsize.ph.126.net/?imgurl=http://img2.cache.netease.com/travel/2016/1/8/2016010814115679b34_550.jpg_180x130x1x85.jpg","url":"http://travel.163.com/16/0110/14/BCVNECRQ00063KE8.html"},{"ctime":"2016-03-06 14:11","title":"去妖魔化 眼见一个真实的印度","description":"网易旅游","picUrl":"http://imgsize.ph.126.net/?imgurl=http://img4.cache.netease.com/travel/2016/1/8/20160108142728a8a8c.jpg_180x130x1x85.jpg","url":"http://travel.163.com/16/0110/14/BCVOFB4C00063KE8.html"},{"ctime":"2016-03-06 14:11","title":"放生羊：最能代表西藏的一道独特风景","description":"网易旅游","picUrl":"http://imgsize.ph.126.net/?imgurl=http://img1.cache.netease.com/catchpic/0/0E/0EEA8F0C2596FBFBC642E0356C4C66DC.jpg_180x130x1x85.jpg","url":"http://travel.163.com/16/0110/21/BD0FHVAB00063JSA.html"},{"ctime":"2016-03-06 14:11","title":"采蘑菇算什么 你敢去采水晶吗？","description":"网易旅游","picUrl":"http://imgsize.ph.126.net/?imgurl=http://img1.cache.netease.com/catchpic/D/D0/D072F1C37F12C211F352962DAB0D3156.jpg_180x130x1x85.jpg","url":"http://travel.163.com/16/0110/21/BD0G1H7800063KE8.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 : 2016-03-06 14:11
* title : 德克萨斯州体验美国的枪支文化
* description : 网易旅游
* picUrl : http://imgsize.ph.126.net/?imgurl=http://img4.cache.netease.com/travel/2016/1/10/2016011011515085b41_550.jpg_180x130x1x85.jpg
* url : http://travel.163.com/16/0110/11/BCVF471L00063KE8.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;
}
}
}
Logger类
package com.bawie.www.okhttpmvp.model;
import java.io.IOException;
import okhttp3.HttpUrl;
import okhttp3.Interceptor;
import okhttp3.Request;
import okhttp3.Response;
/**
* Created by HASEE on 2017/11/21.
*/
public class Logger implements Interceptor {
@Override
public Response intercept(Chain chain) throws IOException {
Request original = chain.request();
HttpUrl url=original.url().newBuilder()
.addQueryParameter("source","android")
.build();
//添加请求头
Request request = original.newBuilder()
.url(url)
.build();
return chain.proceed(request);
}
}
OKHttpUtils类
package com.bawie.www.okhttpmvp.presenter;
import android.os.Handler;
import android.util.Log;
import com.bawie.www.okhttpmvp.callback.CallBack;
import com.bawie.www.okhttpmvp.model.Logger;
import com.google.gson.Gson;
import java.io.IOException;
import java.util.Map;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
/**
* Created by HASEE on 2017/11/21.
*/
public class HttpUtils {
private static volatile HttpUtils instance;
private static Handler handler = new Handler();
private HttpUtils(){
}
public static HttpUtils getInstance() {
if (instance == null) {
synchronized (HttpUtils.class) {
if (instance == null) {
instance = new HttpUtils();
}
}
}
return instance;
}
public void get(String url, Map<String,String> map, final CallBack callBack, final Class c) {
//对url和参数做拼接处理
StringBuffer stringBuffer = new StringBuffer();
stringBuffer.append(url);
//判断是否存在? if中是存在
if (stringBuffer.indexOf("?") != -1) {
//判断?是否在最后一位 if中是不在最后一位
if (stringBuffer.indexOf("?") != stringBuffer.length() - 1) {
stringBuffer.append("&");
}
} else {
stringBuffer.append("?");
}
for (Map.Entry<String, String> entry : map.entrySet()) {
stringBuffer.append(entry.getKey())
.append("=")
.append(entry.getValue())
.append("&");
}
//判断是否存在& if中是存在
if (stringBuffer.indexOf("&") != -1) {
stringBuffer.deleteCharAt(stringBuffer.lastIndexOf("&"));
}
Log.i("TAG",stringBuffer.toString());
OkHttpClient okHttpClient = new OkHttpClient
.Builder()
.addInterceptor(new Logger())
.build();
Request request = new Request.Builder().get().url(stringBuffer.toString()).build();
Call call = okHttpClient.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, final IOException e) {
handler.post(new Runnable() {
@Override
public void run() {
callBack.onFailed(e);
}
});
}
@Override
public void onResponse(Call call, Response response) throws IOException {
String result = response.body().string();
Log.i("aaa",result);
//拿到数据开始解析
final Object o = new Gson().fromJson(result, c);
//当前是在子线程,回到主线程中
handler.post(new Runnable() {
@Override
public void run() {
//回调
callBack.onSuccess(o);
}
});
}
});
}
}
Adapter类
package com.bawie.www.okhttpmvp.presenter;
import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import com.bawie.www.okhttpmvp.R;
import com.bawie.www.okhttpmvp.model.Bean;
import com.bumptech.glide.Glide;
import java.util.ArrayList;
import java.util.List;
/**
* Created by HASEE on 2017/11/21.
*/
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder> {
private Context context;
private List<Bean.NewslistBean> list=new ArrayList<>();
private OnItemClickListener mOnItemClickListener;
private OnItemLongClickListener mOnItemLongClickListener;
public void setmOnItemClickListener(OnItemClickListener mOnItemClickListener) {
this.mOnItemClickListener = mOnItemClickListener;
}
public void setmOnItemLongClickListener(OnItemLongClickListener mOnItemLongClickListener) {
this.mOnItemLongClickListener = mOnItemLongClickListener;
}
public interface OnItemClickListener{
void onItemClick(View view, int position);
}
public interface OnItemLongClickListener{
void onItemLongClick(View view, int position);
}
public MyAdapter(Context context, List<Bean.NewslistBean> list) {
this.context = context;
this.list = list;
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v=View.inflate(context, R.layout.item,null);
MyViewHolder holder =new MyViewHolder(v);
return holder;
}
@Override
public void onBindViewHolder(final MyViewHolder holder, int position) {
Bean.NewslistBean songListBean = list.get(position);
Glide.with(context).load(songListBean.getPicUrl()).into(holder.img);
holder.tv.setText(songListBean.getTitle());
holder.tv2.setText(songListBean.getDescription());
if (mOnItemClickListener!=null){
holder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
int position= holder.getLayoutPosition();
mOnItemClickListener.onItemClick(holder.itemView,position);
}
});
}
if (mOnItemLongClickListener!=null){
holder.itemView.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View view) {
int position= holder.getLayoutPosition();
mOnItemLongClickListener.onItemLongClick(holder.itemView,position);
return true;
}
});
}
}
@Override
public int getItemCount() {
return list.size();
}
class MyViewHolder extends RecyclerView.ViewHolder{
private ImageView img;
private TextView tv;
private TextView tv2;
public MyViewHolder(View itemView) {
super(itemView);
img=(ImageView) itemView.findViewById(R.id.img);
tv=(TextView)itemView.findViewById(R.id.tv);
tv2=(TextView)itemView.findViewById(R.id.tv2); }
}
}
presenter类
package com.bawie.www.okhttpmvp.presenter;
import com.bawie.www.okhttpmvp.callback.CallBack;
import com.bawie.www.okhttpmvp.model.Bean;
import com.bawie.www.okhttpmvp.view.Iv;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Created by HASEE on 2017/11/21.
*/
public class Presenter {
private Iv iv;
public Presenter(Iv iv) {
this.iv = iv;
}
public void get(int i){
Map map = new HashMap<String,String>();
map.put("key","2a0024d1f7f558e09936f697580f1643");
map.put("num","10");
HttpUtils.getInstance().get("http://api.tianapi.com/travel/", map, new CallBack() {
@Override
public void onSuccess(Object o) {
Bean bean= (Bean) o;
List<Bean.NewslistBean> list=bean.getNewslist();
iv.onSuccess(list);
}
@Override
public void onFailed(Exception e) {
iv.onFailed(e);
}
},Bean.class);
}
public void DetchView(){
if (iv!=null){
iv=null;
}
}
}
IV类
package com.bawie.www.okhttpmvp.view;
import com.bawie.www.okhttpmvp.model.Bean;
import java.util.List;
/**
* Created by HASEE on 2017/11/21.
*/
public interface Iv {
void onSuccess(List<Bean.NewslistBean> list);
void onFailed(Exception e);
}
