APP
package com.example.week_02_02;
import android.app.Application;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.display.RoundedBitmapDisplayer;
public class App extends Application {
@Override
public void onCreate() {
super.onCreate();
ImageLoader.getInstance().init(
new ImageLoaderConfiguration.Builder(this)
.diskCacheSize(50*1024*1024)
.diskCacheFileCount(10)
.defaultDisplayImageOptions(
new DisplayImageOptions.Builder()
.cacheInMemory(true)
.cacheOnDisk(true)
.displayer(new RoundedBitmapDisplayer(10))
.build()
)
.build()
);
}
}
activity
package com.example.week_02_02;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
import com.example.adapter.MyBase;
import com.example.bean.BannerBean;
import com.example.bean.NewBean;
import com.example.utils.NetUtils;
import java.util.ArrayList;
import java.util.List;
import me.maxwin.view.XListView;
public class MainActivity extends AppCompatActivity {
private DrawerLayout drawerLayout;
private XListView xListView;
private ListView listView;
private ActionBarDrawerToggle toggle;
private String urlbanner="http://www.zhaoapi.cn/quarter/getAd";
private String urldata="http://172.17.8.100/movieApi/movie/v1/findHotMovieList?page=%d&count=%d";
private MyBase myBase;
private int mpage;
private final int COUNT_ITEM=10;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mpage=1;
//获取资源id
findViewById();
//创建适配器
myBase = new MyBase(this);
xListView.setAdapter(myBase);
xListView.setPullLoadEnable(true);
xListView.setPullRefreshEnable(true);
xListView.setXListViewListener(new XListView.IXListViewListener() {
@Override
public void onRefresh() {
mpage=1;
getRequery();
}
@Override
public void onLoadMore() {
mpage++;
getRequery();
}
});
getRequery();
}
//获取网络数据
private void getRequery() {
if (mpage==1){
getbannerdata();
getnewdata();
}else{
getnewdata();
}
}
private void getnewdata() {
NetUtils.getInsanne().getRequery(String.format(urldata,mpage,COUNT_ITEM), NewBean.class, new NetUtils.CallBack<NewBean>() {
@Override
public void onsuccess(NewBean o) {
if (mpage==1){
myBase.setdata(o.getResult());
}else{
myBase.adddata(o.getResult());
}
xListView.stopLoadMore();
xListView.stopRefresh();
if (o.getResult().size()< COUNT_ITEM){
xListView.setPullLoadEnable(false);
}
}
});
}
private void getbannerdata() {
NetUtils.getInsanne().getRequery(urlbanner, BannerBean.class, new NetUtils.CallBack<BannerBean>() {
@Override
public void onsuccess(BannerBean o) {
myBase.setmBeanner(o.getData());
}
});
}
//获取资源id
public void findViewById(){
drawerLayout=findViewById(R.id.drawerlayout);
xListView=findViewById(R.id.xlistview);
listView=findViewById(R.id.listview);
//侧滑数据
indata();
//左上角按钮
inirDrawer();
}
//左上角按钮
private void inirDrawer() {
ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
toggle=new ActionBarDrawerToggle(this,drawerLayout,R.string.open,R.string.close);
toggle.syncState();
drawerLayout.addDrawerListener(toggle);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (toggle.onOptionsItemSelected(item)){
return true;
}
return super.onOptionsItemSelected(item);
}
//侧滑数据
private void indata() {
final List<String> list = new ArrayList<>();
list.add("新浪");
list.add("腾讯");
list.add("搜狐");
list.add("头条");
listView.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,list));
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Toast.makeText(MainActivity.this,list.get(position),Toast.LENGTH_SHORT).show();
}
});
}
}
工具类
package com.example.utils;
import android.annotation.SuppressLint;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.AsyncTask;
import com.google.gson.Gson;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
public class NetUtils {
private static NetUtils insanne;
private Gson gson;
public NetUtils() {
gson=new Gson();
}
public static NetUtils getInsanne() {
if (insanne==null){
insanne=new NetUtils();
}
return insanne;
}
//接口
public interface CallBack<T>{
void onsuccess(T t);
}
//回调
@SuppressLint("StaticFieldLeak")
public void getRequery(String urldata, final Class clazz, final CallBack callBack){
new AsyncTask<String,Void,Object>(){
@Override
protected Object doInBackground(String... strings) {
return getRequery(strings[0],clazz);
}
@Override
protected void onPostExecute(Object o) {
callBack.onsuccess(o);
}
}.execute(urldata);
}
//解析
public <E> E getRequery(String urldata,Class clazz){
String requery = getRequery(urldata);
return (E) gson.fromJson(requery,clazz);
}
//获取网络数据
public String getRequery(String urldata){
String s ="";
try {
URL url = new URL(urldata);
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
urlConnection.setRequestMethod("GET");
urlConnection.setReadTimeout(5000);
urlConnection.setConnectTimeout(5000);
int responseCode = urlConnection.getResponseCode();
if (responseCode==200){
s = getStrarm2String(urlConnection.getInputStream());
}
} catch (Exception e) {
e.printStackTrace();
}
return s;
}
//转换自节流
private String getStrarm2String(InputStream inputStream) throws IOException {
StringBuilder builder = new StringBuilder();
BufferedReader br= new BufferedReader(new InputStreamReader(inputStream));
for (String tmp=br.readLine();tmp!=null;tmp=br.readLine()){
builder.append(tmp);
}
return builder.toString();
}
//判断是否有网络
public boolean hasnetwork(Context context){
ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
return activeNetworkInfo!=null&&activeNetworkInfo.isAvailable();
}
}
Baseadapter
package com.example.adapter;
import android.content.Context;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.example.bean.BannerBean;
import com.example.bean.NewBean;
import com.example.week_02_02.R;
import com.nostra13.universalimageloader.core.ImageLoader;
import java.util.ArrayList;
import java.util.List;
public class MyBase extends BaseAdapter {
private static final int ITEM_COUNT = 2;
private static final int BANNER_TYPE = 0;
private static final int DATA_TYPE = 1;
private Context context;
private List<BannerBean.DataBean> mBeanner;
private List<NewBean.ResultBean> mData;
public MyBase(Context context) {
this.context = context;
mBeanner = new ArrayList<>();
mData = new ArrayList<>();
}
//添加beanner数据
public void setmBeanner(List<BannerBean.DataBean> beanner) {
mBeanner.clear();
if (beanner != null) {
mBeanner.addAll(beanner);
}
notifyDataSetChanged();
}
//下拉刷新新闻数据
public void setdata(List<NewBean.ResultBean> data) {
mData.clear();
if (data != null) {
mData.addAll(data);
}
notifyDataSetChanged();
}
//上拉加载新闻数据
public void adddata(List<NewBean.ResultBean> data) {
if (data != null) {
mData.addAll(data);
}
notifyDataSetChanged();
}
//返回条目种类总数
@Override
public int getViewTypeCount() {
return ITEM_COUNT;
}
//返回条目样式
@Override
public int getItemViewType(int position) {
return position == 0 && hasbenner() ? BANNER_TYPE : DATA_TYPE;
}
//判断banner是否有数据
private boolean hasbenner() {
return mBeanner.size() > 0;
}
@Override
public int getCount() {
return mData.size() + (hasbenner() ? 1 : 0);
}
@Override
public NewBean.ResultBean getItem(int position) {
return mData.get(hasbenner() ? position - 1 : position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (getItemViewType(position) == BANNER_TYPE) {
BannerViewHolder holder;
if (convertView == null) {
convertView = LayoutInflater.from(context).inflate(R.layout.banneritem, parent, false);
holder = new BannerViewHolder(convertView);
} else {
holder = (BannerViewHolder) convertView.getTag();
}
holder.setdata(mBeanner);
} else {
DataViewHolder holder;
if (convertView == null) {
convertView = LayoutInflater.from(context).inflate(R.layout.dataitem, parent, false);
holder = new DataViewHolder(convertView);
} else {
holder = (DataViewHolder) convertView.getTag();
}
holder.setdata(getItem(position));
}
return convertView;
}
class BannerViewHolder {
ViewPager viewPager;
//handler无线轮播
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
//设置viewpager当前位置
viewPager.setCurrentItem(viewPager.getCurrentItem() + 1);
//延时发送
handler.sendEmptyMessageDelayed(0, 2000);
}
};
public BannerViewHolder(View convertView) {
viewPager = convertView.findViewById(R.id.viewpager);
convertView.setTag(this);
}
public void setdata(List<BannerBean.DataBean> mBeanner) {
//删除handler
handler.removeCallbacksAndMessages(null);
//创建适配器
MypageAdapter mypageAdapter = new MypageAdapter(context, mBeanner);
viewPager.setAdapter(mypageAdapter);
//设置viewpager默认显示页
viewPager.setCurrentItem(viewPager.getAdapter().getCount() / 2);
//折行handler
handler.sendEmptyMessageDelayed(0, 2000);
}
}
class DataViewHolder {
TextView name, summary;
ImageView imageView;
public DataViewHolder(View convertView) {
name = convertView.findViewById(R.id.name);
summary = convertView.findViewById(R.id.summary);
imageView = convertView.findViewById(R.id.image);
convertView.setTag(this);
}
public void setdata(NewBean.ResultBean item) {
name.setText(item.getName());
summary.setText(item.getSummary());
//图片设置
ImageLoader.getInstance().displayImage(item.getImageUrl(), imageView);
}
}
}
pageadapter
package com.example.adapter;
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v4.view.PagerAdapter;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import com.example.bean.BannerBean;
import com.nostra13.universalimageloader.core.ImageLoader;
import java.util.List;
public class MypageAdapter extends PagerAdapter {
private Context context;
private List<BannerBean.DataBean> list;
public MypageAdapter(Context context, List<BannerBean.DataBean> list) {
this.context = context;
this.list = list;
}
@Override
public int getCount() {
return 5000;
}
@Override
public boolean isViewFromObject(@NonNull View view, @NonNull Object o) {
return view==o;
}
@NonNull
@Override
public Object instantiateItem(@NonNull ViewGroup container, int position) {
//创建imageview
ImageView imageView = new ImageView(context);
imageView.setScaleType(ImageView.ScaleType.FIT_XY);
ImageLoader.getInstance().displayImage(list.get(position%list.size()).hasico(),imageView);
container.addView(imageView);
return imageView;
}
@Override
public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
container.removeView((View) object);
}
}
bean类
package com.example.bean;
import java.util.List;
public class BannerBean {
private String msg;
private String code;
private List<DataBean> data;
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public List<DataBean> getData() {
return data;
}
public void setData(List<DataBean> data) {
this.data = data;
}
public static class DataBean {
private int aid;
private String createtime;
private String icon;
private Object productId;
private String title;
private int type;
private String url;
public String hasico(){
return icon.replace("https","http");
}
public int getAid() {
return aid;
}
public void setAid(int aid) {
this.aid = aid;
}
public String getCreatetime() {
return createtime;
}
public void setCreatetime(String createtime) {
this.createtime = createtime;
}
public String getIcon() {
return icon;
}
public void setIcon(String icon) {
this.icon = icon;
}
public Object getProductId() {
return productId;
}
public void setProductId(Object productId) {
this.productId = productId;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public int getType() {
return type;
}
public void setType(int type) {
this.type = type;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
}
}
package com.example.bean;
import java.util.List;
public class NewBean {
private String message;
private String status;
private List<ResultBean> result;
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public List<ResultBean> getResult() {
return result;
}
public void setResult(List<ResultBean> result) {
this.result = result;
}
public static class ResultBean {
private boolean followMovie;
private int id;
private String imageUrl;
private String name;
private int rank;
private String summary;
public boolean isFollowMovie() {
return followMovie;
}
public void setFollowMovie(boolean followMovie) {
this.followMovie = followMovie;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getImageUrl() {
return imageUrl;
}
public void setImageUrl(String imageUrl) {
this.imageUrl = imageUrl;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getRank() {
return rank;
}
public void setRank(int rank) {
this.rank = rank;
}
public String getSummary() {
return summary;
}
public void setSummary(String summary) {
this.summary = summary;
}
}
}
布局
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/drawerlayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.constraint.ConstraintLayout 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"
tools:context=".MainActivity">
<me.maxwin.view.XListView
android:id="@+id/xlistview"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"/>
</android.support.constraint.ConstraintLayout>
<ListView
android:id="@+id/listview"
android:layout_width="200dp"
android:layout_height="match_parent"
android:layout_gravity="left"
android:background="@android:color/white"
/>
</android.support.v4.widget.DrawerLayout>
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
xmlns:app="http://schemas.android.com/apk/res-auto">
<android.support.v4.view.ViewPager
android:id="@+id/viewpager"
android:layout_width="0dp"
android:layout_height="200dp"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintBottom_toBottomOf="parent"/>
</android.support.constraint.ConstraintLayout>
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:padding="10dp">
<ImageView
android:id="@+id/image"
android:layout_width="160dp"
android:layout_height="100dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/name"
android:layout_width="0dp"
android:layout_height="wrap_content"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintLeft_toRightOf="@id/image"/>
<TextView
android:id="@+id/summary"
android:layout_width="0dp"
android:layout_height="wrap_content"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toRightOf="@id/image"
android:maxLines="3"
android:ellipsize="end"/>
</android.support.constraint.ConstraintLayout>