側滑+多條目+上拉載入+下拉重新整理+無線輪播
阿新 • • 發佈:2018-11-10
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; //獲取資源id findViewById(); //建立介面卡 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(); } //獲取網路資料 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()); } }); } //獲取資源id public void findViewById(){ drawerLayout=findViewById(R.id.drawerlayout); xListView=findViewById(R.id.xlistview); listView=findViewById(R.id.listview); //側滑資料 indata(); //左上角按鈕 inirDrawer(); } //左上角按鈕 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); } //側滑資料 private void indata() { final List<String> list = new ArrayList<>(); list.add("新浪"); list.add("騰訊"); list.add("搜狐"); list.add("頭條"); 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(); } }); } }
工具類
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; } //介面 public interface CallBack<T>{ void onsuccess(T t); } //回撥 @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); } //獲取網路資料 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; } //轉換自節流 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(); } //判斷是否有網路 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<>();
}
//新增beanner資料
public void setmBeanner(List<BannerBean.DataBean> beanner) {
mBeanner.clear();
if (beanner != null) {
mBeanner.addAll(beanner);
}
notifyDataSetChanged();
}
//下拉重新整理新聞資料
public void setdata(List<NewBean.ResultBean> data) {
mData.clear();
if (data != null) {
mData.addAll(data);
}
notifyDataSetChanged();
}
//上拉載入新聞資料
public void adddata(List<NewBean.ResultBean> data) {
if (data != null) {
mData.addAll(data);
}
notifyDataSetChanged();
}
//返回條目種類總數
@Override
public int getViewTypeCount() {
return ITEM_COUNT;
}
//返回條目樣式
@Override
public int getItemViewType(int position) {
return position == 0 && hasbenner() ? BANNER_TYPE : DATA_TYPE;
}
//判斷banner是否有資料
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無線輪播
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
//設定viewpager當前位置
viewPager.setCurrentItem(viewPager.getCurrentItem() + 1);
//延時傳送
handler.sendEmptyMessageDelayed(0, 2000);
}
};
public BannerViewHolder(View convertView) {
viewPager = convertView.findViewById(R.id.viewpager);
convertView.setTag(this);
}
public void setdata(List<BannerBean.DataBean> mBeanner) {
//刪除handler
handler.removeCallbacksAndMessages(null);
//建立介面卡
MypageAdapter mypageAdapter = new MypageAdapter(context, mBeanner);
viewPager.setAdapter(mypageAdapter);
//設定viewpager預設顯示頁
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());
//圖片設定
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) {
//建立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類
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;
}
}
}
佈局
<?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>