加计时器的网络获取工具类
来源：互联网 发布：销售数据统计分析 编辑：程序博客网 时间：2024/06/05 21:00
package com.example.hello.myappyuekaolian2.mainactivity;import android.content.Intent;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.support.v7.app.AppCompatActivity;import android.view.Window;import android.widget.TextView;import com.example.hello.myappyuekaolian2.R;import java.util.Timer;import java.util.TimerTask;public class MainActivity extends AppCompatActivity { private TextView item; int total=3; private Timer timer; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_main); item=(TextView)findViewById(R.id.itme); timer = new Timer(); //使用timer进行计时 timer.schedule(new TimerTask() { @Override public void run() { total--; //判断是否计时完成 if(total==0){ gettomain(); handler.sendEmptyMessage(1); // }else{ handler.sendEmptyMessage(2); } } }, 0, 1000); } Handler handler=new Handler(){ public void handleMessage(Message msg) { //倒计时完成 if(msg.what==0){ gettomain(); timer.cancel(); total=3; item.setEnabled(true); }else{ item.setEnabled(false); item.setText(total+""); //9 8 7 6 0 } }; }; public void gettomain(){ Intent in=new Intent(MainActivity.this,Main2Activity.class); startActivity(in); }}+++++++++++++++++++++++++++++++++++++++++++++++++++++++++package com.example.hello.myappyuekaolian2.mainactivity;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.widget.RadioGroup;import com.example.hello.myappyuekaolian2.R;import com.example.hello.myappyuekaolian2.frment.Fragmenthome;import com.example.hello.myappyuekaolian2.frment.Fragmenttext;import com.example.hello.myappyuekaolian2.frment.Fragmentuser;public class Main2Activity extends AppCompatActivity { private RadioGroup radioGroup; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main2); radioGroup = (RadioGroup) findViewById(R.id.radio_group); //默认显示 getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout,new Fragmenthome()).commit(); radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup radioGroup, int i) { switch (i){ case R.id.rb1: getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout,new Fragmenthome()).commit(); break; case R.id.rb2: getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout,new Fragmenttext()).commit(); break; case R.id.rb3: getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout,new Fragmentuser()).commit(); break; default: break; } } }); }}+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++package com.example.hello.myappyuekaolian2.frment;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.design.widget.TabLayout;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentPagerAdapter;import android.support.v4.view.ViewPager;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import com.example.hello.myappyuekaolian2.R;import java.util.ArrayList;import java.util.List;/** * Created by on 2017/10/16. */public class Fragmenthome extends Fragment{ private TabLayout tabLayout; private ViewPager viewPager; private List<String> list; @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.home,container,false); tabLayout = view.findViewById(R.id.tab); viewPager =view.findViewById(R.id.view_pager); return view; } @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); list = new ArrayList<>(); list.add("推荐"); list.add("热点"); list.add("北京"); list.add("视频"); list.add("社会"); list.add("图片"); //设置适配器 viewPager.setAdapter(new FragmentPagerAdapter(getChildFragmentManager()) { @Override public CharSequence getPageTitle(int position) { return list.get(position); } @Override public Fragment getItem(int position) { Fragment fragment = null; switch (position) { case 0: fragment = new Fragmenttuijian(); break; case 1: fragment = new Fragmentredian(); break; case 2: fragment = new Fragmentbeijing(); break; case 3: fragment = new Fragmentshipin(); break; case 4: fragment = new Fragmentshehui(); break; case 5: fragment = new Fragmenttupian(); break; default: break; } return fragment; } @Override public int getCount() { return list.size(); } }); //关联 tabLayout.setupWithViewPager(viewPager); }}+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++package com.example.hello.myappyuekaolian2.frment;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import com.example.hello.myappyuekaolian2.R;import com.example.hello.myappyuekaolian2.adapert.MyAdapter;import com.example.hello.myappyuekaolian2.bean.DataDataBean;import com.example.hello.myappyuekaolian2.util.JsonStringCallaBack;import com.example.hello.myappyuekaolian2.util.NetDataUtil;import com.example.hello.myappyuekaolian2.view.XListView;import com.google.gson.Gson;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Date;import java.util.List;/** * Created by on 2017/10/16. */public class Fragmenttuijian extends Fragment implements XListView.IXListViewListener{ private XListView xListView; private List<DataDataBean.ResultsBean> list = new ArrayList<>(); private MyAdapter myAdapter; private int page_num = 1; @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.tuijian_view,container,false); xListView = view.findViewById(R.id.xlv); return view; } @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); xListView.setPullLoadEnable(true); xListView.setPullLoadEnable(true); xListView.setXListViewListener(this); //获取数据....解析 getDataFromNet(); } /** * 获取网络数据.....添加到后面,用于最开始和上拉加载更多 */ private void getDataFromNet() { NetDataUtil.getData(getActivity(), "http://gank.io/api/data/Android/10/" + page_num, new JsonStringCallaBack() { @Override public void getJsonString(String json) { //在这里解析 Gson gson = new Gson(); DataDataBean dataDataBean = gson.fromJson(json, DataDataBean.class); list.addAll(dataDataBean.getResults()); //设置适配器 setAdapter(); //停止加载 xListView.stopLoadMore(); } }); } private void setAdapter() { if (myAdapter == null) { myAdapter = new MyAdapter(getActivity(), list); xListView.setAdapter(myAdapter); } else { myAdapter.notifyDataSetChanged(); } } @Override public void onRefresh() { getDataRefresh(); } /** * 下拉刷新数据的方法 */ private void getDataRefresh() { //当列表下拉刷新时，接口的页数设置为1，清除原来的列表数据，请求网络 NetDataUtil.getData(getActivity(), "http://gank.io/api/data/Android/10/1", new JsonStringCallaBack() { @Override public void getJsonString(String json) { //在这里解析 Gson gson = new Gson(); DataDataBean dataDataBean = gson.fromJson(json, DataDataBean.class); //先清除所有 list.clear(); //再添加 list.addAll(0, dataDataBean.getResults()); //设置适配器 setAdapter(); //停止刷新 xListView.stopRefresh(); //设置刷新时间 String format = new SimpleDateFormat("HH:mm").format(new Date(System.currentTimeMillis())); xListView.setRefreshTime(format); } }); } @Override public void onLoadMore() { page_num++; getDataFromNet(); }}++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++package com.example.hello.myappyuekaolian2.frment;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import com.example.hello.myappyuekaolian2.R;/** * Created by on 2017/10/16. */public class Fragmenttext extends Fragment{ @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.totext,container,false); return view; } @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); }}++++++++++++++++++++++++++++++++++++++++++++++++++++++++package com.example.hello.myappyuekaolian2.adapert;import android.content.Context;import android.util.Log;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.TextView;import com.example.hello.myappyuekaolian2.R;import com.example.hello.myappyuekaolian2.bean.DataDataBean;import com.example.hello.myappyuekaolian2.util.ImageLoaderUtil;import com.nostra13.universalimageloader.core.ImageLoader;import java.util.List;/** * Created by on 2017/10/16. */public class MyAdapter extends BaseAdapter { Context context; List<DataDataBean.ResultsBean> list; private int TEXT_ONLY = 0; private int IMAGE_TEXT = 1; public MyAdapter(Context context, List<DataDataBean.ResultsBean> list) { this.context = context; this.list = list; } @Override public int getCount() { return list.size(); } @Override public Object getItem(int i) { return list.get(i); } @Override public long getItemId(int i) { return i; } @Override public int getViewTypeCount() { return 2; } @Override public int getItemViewType(int position) { if (list.get(position).getImages() != null){ return IMAGE_TEXT; } return TEXT_ONLY; } @Override public View getView(int i, View view, ViewGroup viewGroup) { if (getItemViewType(i) == TEXT_ONLY){ TextHolder holder; if (view == null){ view = View.inflate(context, R.layout.item_text_layout,null); holder = new TextHolder(); holder.textView = view.findViewById(R.id.text_title); view.setTag(holder); }else { holder = (TextHolder) view.getTag(); } holder.textView.setText(list.get(i).getDesc()); }else if (getItemViewType(i)==IMAGE_TEXT){ ImageHolder holder; if (view == null){ view = View.inflate(context, R.layout.item_iamge_layout,null); holder = new ImageHolder(); holder.textView = view.findViewById(R.id.text_title); holder.imageView = view.findViewById(R.id.image_view); view.setTag(holder); }else { holder = (ImageHolder) view.getTag(); } holder.textView.setText(list.get(i).getDesc()); //图片 Log.i("----",list.get(i).getImages().get(0)+"?imageView2/0/w/100"); ImageLoader.getInstance().displayImage(list.get(i).getImages().get(0)+"?imageView2/0/w/100",holder.imageView, ImageLoaderUtil.gettupianyuanjiao()); } return view; } private class TextHolder{ TextView textView; } private class ImageHolder{ TextView textView; ImageView imageView; }}+++++++++++++++++++++++++++++++++++++++++package com.example.hello.myappyuekaolian2.appliction;import android.app.Application;import com.example.hello.myappyuekaolian2.util.ImageLoaderUtil;/** * Created by on 2017/10/16. */public class BaseApplication extends Application { @Override public void onCreate() { super.onCreate(); ImageLoaderUtil.init(this); }}+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++package com.example.hello.myappyuekaolian2.util;import android.content.Context;import android.os.AsyncTask;import android.widget.Toast;import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.URL;/** * Created by on 2017/10/16. */public class NetDataUtil { public static void getData(Context context, final String path, final JsonStringCallaBack callaBack) { if (NetWorkUtil.isConn(context)){ Toast.makeText(context,"网络可用",Toast.LENGTH_SHORT).show(); AsyncTask<Void, Void, String> asyncTask = new AsyncTask<Void, Void, String>() { @Override protected String doInBackground(Void... voids) { try { URL url = new URL(path); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod("GET"); connection.setReadTimeout(5000); connection.setConnectTimeout(5000); int responseCode = connection.getResponseCode(); if (responseCode == 200){ InputStream inputStream = connection.getInputStream(); String json = streamToString(inputStream,"utf-8"); return json; } } catch (Exception e) { e.printStackTrace(); } return null; } @Override protected void onPostExecute(String json) { //异步拿回这个json串,交给具体解析的那个类 callaBack.getJsonString(json); } }; asyncTask.execute(); }else { NetWorkUtil.showNoNetWorkDlg(context); } } private static String streamToString(InputStream inputStream, String charset) { try { InputStreamReader inputStreamReader = new InputStreamReader(inputStream,charset); BufferedReader bufferedReader = new BufferedReader(inputStreamReader); String s = null; StringBuilder builder = new StringBuilder(); while ((s = bufferedReader.readLine()) != null){ builder.append(s); } bufferedReader.close(); return builder.toString(); } catch (Exception e) { e.printStackTrace(); } return null; }}+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++package com.example.hello.myappyuekaolian2.util;import android.app.AlertDialog;import android.content.Context;import android.content.DialogInterface;import android.content.Intent;import android.net.ConnectivityManager;import android.net.NetworkInfo;import com.example.hello.myappyuekaolian2.R;/** * Created by 韦作铭 on 2017/10/16. */public class NetWorkUtil { public static boolean isConn(Context context){ boolean bisConnFlag=false; ConnectivityManager conManager = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo network = conManager.getActiveNetworkInfo(); if(network!=null){ bisConnFlag=conManager.getActiveNetworkInfo().isAvailable(); } return bisConnFlag; } /** * 当判断当前手机没有网络时选择是否打开网络设置 * @param context */ public static void showNoNetWorkDlg(final Context context) { AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setIcon(R.mipmap.ic_launcher) // .setTitle(R.string.app_name) // .setMessage("当前无网络").setPositiveButton("设置",new DialogInterface.OnClickListener(){ @Override public void onClick(DialogInterface dialog, int which) { // 跳转到系统的网络设置界面 Intent intent = null; // 先判断当前系统版本 if(android.os.Build.VERSION.SDK_INT > 10){ // 3.0以上 intent = new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS); }else{ intent = new Intent(); intent.setClassName("com.android.settings", "com.android.settings.WirelessSettings"); } context.startActivity(intent); } }).setNegativeButton("知道了", null).show(); }}package com.example.hello.myappyuekaolian2.util;import android.app.AlertDialog;import android.content.Context;import android.content.DialogInterface;import android.content.Intent;import android.net.ConnectivityManager;import android.net.NetworkInfo;import com.example.hello.myappyuekaolian2.R;/** * Created by on 2017/10/16. */public class NetWorkUtil { public static boolean isConn(Context context){ boolean bisConnFlag=false; ConnectivityManager conManager = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo network = conManager.getActiveNetworkInfo(); if(network!=null){ bisConnFlag=conManager.getActiveNetworkInfo().isAvailable(); } return bisConnFlag; } /** * 当判断当前手机没有网络时选择是否打开网络设置 * @param context */ public static void showNoNetWorkDlg(final Context context) { AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setIcon(R.mipmap.ic_launcher) // .setTitle(R.string.app_name) // .setMessage("当前无网络").setPositiveButton("设置",new DialogInterface.OnClickListener(){ @Override public void onClick(DialogInterface dialog, int which) { // 跳转到系统的网络设置界面 Intent intent = null; // 先判断当前系统版本 if(android.os.Build.VERSION.SDK_INT > 10){ // 3.0以上 intent = new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS); }else{ intent = new Intent(); intent.setClassName("com.android.settings", "com.android.settings.WirelessSettings"); } context.startActivity(intent); } }).setNegativeButton("知道了", null).show(); }}+++++++++++++++++++++++++++++++++++++++++++++++++++++++++package com.example.hello.myappyuekaolian2.util;/** * Created by on 2017/10/16. */public interface JsonStringCallaBack { public void getJsonString(String json);}+++++++++++++++++++++++++++++++++++++++package com.example.hello.myappyuekaolian2.util;import android.content.Context;import android.graphics.Bitmap;import com.example.hello.myappyuekaolian2.R;import com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiskCache;import com.nostra13.universalimageloader.cache.memory.impl.LruMemoryCache;import com.nostra13.universalimageloader.core.DisplayImageOptions;import com.nostra13.universalimageloader.core.ImageLoader;import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;import com.nostra13.universalimageloader.core.assist.ImageScaleType;import com.nostra13.universalimageloader.core.assist.QueueProcessingType;import com.nostra13.universalimageloader.core.display.RoundedBitmapDisplayer;import com.nostra13.universalimageloader.utils.StorageUtils;import java.io.File;/** * Created by on 2017/10/16. */public class ImageLoaderUtil { public static void init(Context context){ File cacheDir = StorageUtils.getCacheDirectory(context); //缓存文件夹路径 ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(context) .threadPoolSize(3) // default 线程池内加载的数量 .threadPriority(Thread.NORM_PRIORITY - 2) // default 设置当前线程的优先级 .tasksProcessingOrder(QueueProcessingType.FIFO) // default .denyCacheImageMultipleSizesInMemory() .memoryCache(new LruMemoryCache(2 * 1024 * 1024)) //可以通过自己的内存缓存实现 .memoryCacheSize(2 * 1024 * 1024) // 内存缓存的最大值 .memoryCacheSizePercentage(13) // default .diskCache(new UnlimitedDiskCache(cacheDir)) // default 可以自定义缓存路径 .diskCacheSize(50 * 1024 * 1024) // 50 Mb sd卡(本地)缓存的最大值 .diskCacheFileCount(100) // 可以缓存的文件数量 // default为使用HASHCODE对UIL进行加密命名， 还可以用MD5(new Md5FileNameGenerator())加密 .defaultDisplayImageOptions(DisplayImageOptions.createSimple()) // default .writeDebugLogs() // 打印debug log .build(); //开始构建 ImageLoader.getInstance().init(config); } public static DisplayImageOptions gettupianyuanjiao(){ DisplayImageOptions options = new DisplayImageOptions.Builder() .showImageOnLoading(R.mipmap.ic_launcher) // 设置图片下载期间显示的图片 .showImageForEmptyUri(R.mipmap.ic_launcher) // 设置图片Uri为空或是错误的时候显示的图片 .showImageOnFail(R.mipmap.ic_launcher) // 设置图片加载或解码过程中发生错误显示的图片 .resetViewBeforeLoading(true) // default 设置图片在加载前是否重置、复位 .cacheInMemory(true) // default 设置下载的图片是否缓存在内存中 .cacheOnDisk(true) // default 设置下载的图片是否缓存在SD卡中 .considerExifParams(true) // default .imageScaleType(ImageScaleType.EXACTLY_STRETCHED) // default 设置图片以如何的编码方式显示 .bitmapConfig(Bitmap.Config.RGB_565) // default 设置图片的解码类型 .displayer(new RoundedBitmapDisplayer(10)) // default 还可以设置圆角图片new RoundedBitmapDisplayer(20) .build(); return options; }}+++++++++++++++++++++++++++++++++++++++++++++++++++++
main1<?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" android:background="@drawable/splash" xmlns:tools="http://schemas.android.com/tools" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.example.hello.myappyuekaolian2.mainactivity.MainActivity"> <!--horizontal--> <TextView android:id="@+id/itme" android:textColor="#fff" android:layout_width="wrap_content" android:paddingTop="8dp" android:paddingRight="23dp" android:textSize="30dp" android:layout_gravity="right" android:layout_height="wrap_content" android:text="3" /></LinearLayout>+++++++++++++++++++++++++++++++++++++++++++++
main2<?xml version="1.0" encoding="utf-8"?><RelativeLayout 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.example.hello.myappyuekaolian2.mainactivity.Main2Activity"> <FrameLayout android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/frame_layout" android:layout_above="@+id/radio_group" > </FrameLayout> <RadioGroup android:id="@+id/radio_group" android:layout_alignParentBottom="true" android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="40dp" > <RadioButton android:id="@+id/rb1" android:button="@null" android:gravity="center" android:clickable="true" android:padding="10dp" android:background="@drawable/radio_selector" android:layout_width="wrap_content" android:layout_weight="1" android:layout_height="match_parent" /> <RadioButton android:id="@+id/rb2" android:button="@null" android:gravity="center" android:clickable="true" android:padding="10dp" android:background="@drawable/radio_selector2" android:layout_width="wrap_content" android:layout_weight="1" android:layout_height="match_parent" /> <RadioButton android:id="@+id/rb3" android:button="@null" android:gravity="center" android:clickable="true" android:padding="10dp" android:background="@drawable/radio_selector3" android:layout_width="wrap_content" android:layout_weight="1" android:layout_height="match_parent" /> </RadioGroup></RelativeLayout>+++++++++++++++++++++++++++++++++++++++++++++home<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent"> <LinearLayout android:orientation="horizontal" android:background="#d43d3d" android:layout_width="match_parent" android:layout_height="wrap_content"> <TextView android:text="今日头条" android:textSize="25dp" android:textColor="#fff" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <EditText android:background="#f6f5f4" android:hint="在线泡水|两个萌娃|荒岛惊魂" android:padding="10dp" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginRight="20dp" /> </LinearLayout> <android.support.design.widget.TabLayout android:id="@+id/tab" app:tabGravity="center" app:tabIndicatorColor="@color/colorAccent" app:tabMode="scrollable" app:tabSelectedTextColor="@color/colorPrimaryDark" app:tabTextColor="@color/colorPrimary" android:layout_width="match_parent" android:layout_height="40dp"> </android.support.design.widget.TabLayout> <android.support.v4.view.ViewPager android:id="@+id/view_pager" android:layout_width="match_parent" android:layout_height="match_parent"> </android.support.v4.view.ViewPager></LinearLayout>+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
tuijian<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <com.example.hello.myappyuekaolian2.view.XListView android:id="@+id/xlv" android:layout_width="match_parent" android:layout_height="match_parent"> </com.example.hello.myappyuekaolian2.view.XListView></LinearLayout>++++++++++++++++++++++++++++++++++++++++++++++++
user<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:background="#87ea39" android:layout_width="match_parent" android:layout_height="match_parent"></LinearLayout>
+++++++++++++++++++++++++++++++++++++++
item_image_layout<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:padding="10dp" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:id="@+id/text_title" android:layout_width="0dp" android:layout_weight="1" android:layout_height="wrap_content" /> <ImageView android:id="@+id/image_view" android:layout_width="100dp" android:layout_height="100dp" /></LinearLayout>
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
权限<uses-permission android:name="android.permission.INTERNET"/><uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/><uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
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