使用greenDao+HttpurlConnection实现多线程断点下载
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//声明数据库
public class MyApp extends Application { private DaoMaster.DevOpenHelper mHelper; private SQLiteDatabase db; private DaoMaster mDaoMaster; private DaoSession mDaoSession; @Override public void onCreate() { super.onCreate(); setDatabase(); } /** * 设置greenDao */ private void setDatabase() { // 通过 DaoMaster 的内部类 DevOpenHelper，你可以得到一个便利的 SQLiteOpenHelper 对象。 // 可能你已经注意到了，你并不需要去编写「CREATE TABLE」这样的 SQL 语句，因为 greenDAO 已经帮你做了。 // 注意：默认的 DaoMaster.DevOpenHelper 会在数据库升级时，删除所有的表，意味着这将导致数据的丢失。 // 所以，在正式的项目中，你还应该做一层封装，来实现数据库的安全升级。 mHelper = new DaoMaster.DevOpenHelper(this, "Users.db", null); db = mHelper.getWritableDatabase(); // 注意：该数据库连接属于 DaoMaster，所以多个 Session 指的是相同的数据库连接。 mDaoMaster = new DaoMaster(db); mDaoSession = mDaoMaster.newSession(); } public DaoSession getDaoSession() { return mDaoSession; } public SQLiteDatabase getDb() { db = mHelper.getWritableDatabase(); return db; }
创建数据库的操作类
package moyuchen.com.download.download.db;import android.annotation.SuppressLint;import android.content.Context;import java.util.HashMap;import java.util.List;import java.util.Map;import Green.Bean.FileResult;import Green.Bean.FileResultDao;import moyuchen.com.download.MyApp;/** * * 该类主要用来保存下载记录 */public class FileDBService { private String TAG="===============FileDBService================";// private DBOpenHelper openHelper; private final MyApp instances; public FileDBService(Context context) {// openHelper = new DBOpenHelper(context); instances = (MyApp) context.getApplicationContext(); } /** * 获取每条线程已经下载的文件长度 * * @param path * @return */ @SuppressLint("LongLogTag") public Map<Integer, Integer> getData(String path) { Map<Integer, Integer> data = new HashMap<Integer, Integer>(); List<FileResult> list = instances.getDaoSession().getFileResultDao().queryBuilder().where(FileResultDao.Properties.Downpath.eq(path)).build().list(); for (FileResult fileResult : list) { data.put(fileResult.getThreadid(),fileResult.getDownlength()); }// SQLiteDatabase db = openHelper.getReadableDatabase();// Cursor cursor = db.rawQuery("select THREADID, DOWNLENGTH from FILE_RESULT where DOWNPATH=?", new String[] { path });// while (cursor.moveToNext()) {// data.put(cursor.getInt(0), cursor.getInt(1));// Log.i("=====sbhelper======", "getData: " +cursor.getInt(0) + "-->" + cursor.getInt(1));// }// cursor.close();// db.close(); return data; } /** * 保存每条线程已经下载的文件长度 * @param path * @param map */ @SuppressLint("LongLogTag") public void save(String path, Map<Integer, Integer> map) {// int threadid, //使用sqlite数据库// SQLiteDatabase db = openHelper.getWritableDatabase();// db.beginTransaction();// try {// for (Map.Entry<Integer, Integer> entry : map.entrySet()) {// db.execSQL("insert into FILE_RESULT(DOWNPATH, THREADID, DOWNLENGTH) values(?,?,?)",// new Object[] { path, entry.getKey(), entry.getValue() }); //使用greendao数据库 for (Map.Entry<Integer, Integer> entry : map.entrySet()) { instances.getDaoSession().getFileResultDao().insert(new FileResult(null,path,entry.getKey(),entry.getValue())); }// }// db.setTransactionSuccessful();// } finally {// db.endTransaction();// }// db.close(); } /** * 实时更新每条线程已经下载的文件长度 * @param path */ @SuppressLint("LongLogTag") public void update(String path, int threadId, int pos) { //使用GreenDAO List<FileResult> list = instances.getDaoSession().getFileResultDao().queryBuilder().where(FileResultDao.Properties.Downpath.eq(path), FileResultDao.Properties.Threadid.eq(threadId)).build().list(); for (FileResult fileResult : list) { Long id = fileResult.getId(); instances.getDaoSession().getFileResultDao().update(new FileResult(id,path,threadId,pos)); } //使用sqlite数据库// SQLiteDatabase db = openHelper.getWritableDatabase();// db.execSQL("update FILE_RESULT set DOWNLENGTH=? where DOWNPATH=? and THREADID=?",// new Object[]{pos, path, threadId});// db.close(); } /** * 当文件下载完成后，删除对应的下载记录 * @param path */ @SuppressLint("LongLogTag") public void delete(String path) { //使用GreenDao数据库 List<FileResult> list = instances.getDaoSession().getFileResultDao().queryBuilder().where(FileResultDao.Properties.Downpath.eq(path)).build().list(); for (FileResult fileResult : list) { Long id = fileResult.getId(); instances.getDaoSession().getFileResultDao().deleteByKey(id); } //使用sqlite数据库// SQLiteDatabase db = openHelper.getWritableDatabase();// db.execSQL("delete from FILE_RESULT where DOWNPATH=?",// new Object[] { path });// db.close(); }}
创建ProgressBar进度监听接口
package moyuchen.com.download.download;public interface DownloadProgressListener { public void onDownloadSize(int size);}
创建下载线程类package moyuchen.com.download.download;import android.util.Log;import java.io.File;import java.io.InputStream;import java.io.RandomAccessFile;import java.net.HttpURLConnection;import java.net.URL;public class DownloadThread extends Thread { private static final String TAG = "DownloadThread"; /**保存文件的位置*/ private File saveFile; /**文件资源路径*/ private URL downUrl; /**当前线程需要下载的长度*/ private int blockLength; /** 当前线程的id */ private int threadId = -1; /**当前线程已经下载的文件大小*/ private int downLength; /**true 下载完成 否则没有下载完成*/ private boolean finish = false; private FileDownloader downloader; /** * 构造函数 * @param downloader FileDownloader * @param downUrl 资源文件的URL * @param saveFile 构造的本地文件 * @param block 当前线程需要下载的长度 * @param downLength 当前线程已经下载的文件大小 * @param threadId 当前线程ID */ public DownloadThread(FileDownloader downloader, URL downUrl, File saveFile, int block, int downLength, int threadId) { this.downUrl = downUrl; this.saveFile = saveFile; this.blockLength = block; this.downloader = downloader; this.threadId = threadId; this.downLength = downLength; } @Override public void run() { if (downLength < blockLength) { try { HttpURLConnection http = (HttpURLConnection) downUrl.openConnection(); http.setConnectTimeout(5 * 1000); http.setRequestMethod("GET"); http.setRequestProperty("Accept", "image/gif, image/jpeg, image/pjpeg, image/pjpeg, " + "application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, " + "application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, " + "application/vnd.ms-powerpoint, application/msword, */*"); http.setRequestProperty("Accept-Language", "zh-CN"); http.setRequestProperty("Referer", downUrl.toString());// 先前网页的地址，当前请求网页紧随其后,即来路 http.setRequestProperty("Charset", "UTF-8"); int startPos = blockLength * (threadId - 1) + downLength; int endPos = blockLength * threadId - 1;// 结束位置 http.setRequestProperty("Range", "bytes=" + startPos + "-" + endPos);//设置获取实体数据的范围 http.setRequestProperty( "User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; " + ".NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30;" + " .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)"); http.setRequestProperty("Connection", "Keep-Alive"); //需要持久连接 InputStream inStream = http.getInputStream(); byte[] buffer = new byte[1024]; int offset = 0; print("Thread " + this.threadId + " start download from position " + startPos); RandomAccessFile threadfile = new RandomAccessFile(this.saveFile, "rwd"); // 定位下载位置 threadfile.seek(startPos); while (!downloader.getExit() && (offset = inStream.read(buffer, 0, 1024)) != -1) { threadfile.write(buffer, 0, offset); downLength += offset; downloader.update(this.threadId, downLength); downloader.append(offset); } threadfile.close(); inStream.close(); print("Thread " + this.threadId + " download finish"); this.finish = true; } catch (Exception e) { this.downLength = -1; print("Thread " + this.threadId + ":" + e); } } } private static void print(String msg) { Log.i(TAG, msg); } /** * 判断是否已经下载完 * * @return */ public boolean isFinish() { return finish; } /** * 已经下载的文件大小 */ public long getDownLength() { return downLength; }}
//创建文件下载工具类
package moyuchen.com.download.download;import android.content.Context;import android.util.Log;import java.io.File;import java.io.RandomAccessFile;import java.net.HttpURLConnection;import java.net.URL;import java.util.LinkedHashMap;import java.util.Map;import java.util.UUID;import java.util.concurrent.ConcurrentHashMap;import java.util.regex.Matcher;import java.util.regex.Pattern;import moyuchen.com.download.download.db.FileDBService;/** * * 文件下载工具类 * */public class FileDownloader { private static final String TAG = "FileDownloader"; private Context context; private FileDBService fileService; private boolean exit; /** 已下载文件长度 */ private int downloadSize = 0; /** 原始文件长度 */ private int fileSize = 0; /** 线程数 */ private DownloadThread[] threads; /** 本地保存文件 */ private File saveFile; /** 缓存各线程下载的长度*/ private Map<Integer, Integer> data = new ConcurrentHashMap<Integer, Integer>(); /** 每条线程需要下载的长度 */ private int blockLength; /** 下载路径 */ private String downloadUrl; /** * 构建文件下载器 * @param downloadUrl 下载资源文件路径 * @param fileSaveDir 文件保存目录 * @param threadNum 下载文件的线程数 */ public FileDownloader(Context context, String downloadUrl, File fileSaveDir, int threadNum) { try { this.context = context; this.downloadUrl = downloadUrl; fileService = new FileDBService(this.context); Log.i(TAG, "FileDownloader: downloadUrl:"+this.downloadUrl); URL url = new URL(this.downloadUrl); Log.i(TAG, "FileDownloader: url:"+url.getPath()); if (!fileSaveDir.exists()) fileSaveDir.mkdirs(); this.threads = new DownloadThread[threadNum]; HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setConnectTimeout(5 * 1000); conn.setRequestMethod("GET"); conn.setRequestProperty( "Accept", "image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash," + " application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, " + "application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, " + "application/msword, */*"); conn.setRequestProperty("Accept-Language", "zh-CN"); conn.setRequestProperty("Referer", downloadUrl); conn.setRequestProperty("Charset", "UTF-8"); conn.setRequestProperty( "User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0;" + " .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; " + ".NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)"); conn.setRequestProperty("Connection", "Keep-Alive"); conn.connect(); //打印请求头信息 printResponseHeader(conn); int responseCode = conn.getResponseCode(); print("============responseCode============"+responseCode); if (conn.getResponseCode() == 200) {//连接成功 this.fileSize = conn.getContentLength();// 获取资源文件的大小 //打印下载文件长度 Log.i(TAG, "FileDownloader: fileSize:"+this.fileSize); if (this.fileSize <= 0){ throw new RuntimeException("Unkown file size "); } String filename = getFileName(conn);//获取文件名 this.saveFile = new File(fileSaveDir, filename);//构建保存文件 Map<Integer, Integer> logdata = fileService.getData(downloadUrl);//获取下载记录 if (logdata.size() > 0) {//如果存在下载记录 for (Map.Entry<Integer, Integer> entry : logdata.entrySet()){ data.put(entry.getKey(), entry.getValue()); //把各条线程已经下载的数据长度放入data中 } } if (this.data.size() == this.threads.length) {//下面计算所有线程已经下载的数据长度 for (int i = 0; i < this.threads.length; i++) { this.downloadSize += this.data.get(i + 1); } print("已经下载的长度" + this.downloadSize); } //计算每条线程下载的数据长度 this.blockLength = (this.fileSize % this.threads.length) == 0 ? this.fileSize / this.threads.length : this.fileSize / this.threads.length + 1; } else { throw new RuntimeException("server no response "); } } catch (Exception e) { e.printStackTrace();// print(e.toString() ); throw new RuntimeException("don't connection this url"); } } /** * 开始下载文件 * @param listener 监听下载数量的变化,如果不需要了解实时下载的数量,可以设置为null * @return 已下载文件大小 * @throws Exception */ public int download(DownloadProgressListener listener) throws Exception { try { RandomAccessFile randOut = new RandomAccessFile(this.saveFile, "rw"); if (this.fileSize > 0){ randOut.setLength(this.fileSize); // 设置文件的大小 } randOut.close(); URL url = new URL(this.downloadUrl); if (this.data.size() != this.threads.length) { this.data.clear(); for (int i = 0; i < this.threads.length; i++) { this.data.put(i + 1, 0);// 初始化缓存各线程下载的长度 } this.downloadSize = 0; } for (int i = 0; i < this.threads.length; i++) { int downLength = this.data.get(i + 1); if (downLength < this.blockLength && this.downloadSize < this.fileSize) { this.threads[i] = new DownloadThread(this, url, this.saveFile, this.blockLength, this.data.get(i + 1), i + 1); this.threads[i].setPriority(7); // 设置下载线程的优先级 this.threads[i].start(); } else { this.threads[i] = null; } } fileService.delete(this.downloadUrl);//删除已有的缓存 fileService.save(this.downloadUrl, this.data); boolean notFinish = true;//下载未完成 while (notFinish) {// 循环判断所有线程是否完成下载 Thread.sleep(900); notFinish = false;//假定全部线程下载完成 for (int i = 0; i < this.threads.length; i++) { if (this.threads[i] != null && !this.threads[i].isFinish()) {//如果发现线程未完成下载 notFinish = true;//设置标志为下载没有完成 if (this.threads[i].getDownLength() == -1) {//如果下载失败,再重新下载 this.threads[i] = new DownloadThread(this, url, this.saveFile, this.blockLength, this.data.get(i + 1), i + 1); this.threads[i].setPriority(7); this.threads[i].start(); } } } if (listener != null){ listener.onDownloadSize(this.downloadSize);//通知目前已经下载完成的数据长度 } } if (downloadSize == this.fileSize){ fileService.delete(this.downloadUrl);// 下载完成删除记录 } } catch (Exception e) { e.printStackTrace(); print(e.toString()); throw new Exception("file download error"); } return this.downloadSize; } /** * 获取文件名 * @param conn * @return */ private String getFileName(HttpURLConnection conn) { String filename = this.downloadUrl.substring(this.downloadUrl.lastIndexOf('/') + 1); if (filename == null || "".equals(filename.trim())) {//如果获取不到文件名称 for (int i = 0;; i++) { String mine = conn.getHeaderField(i); if (mine == null){ break; } if ("content-disposition".equals(conn.getHeaderFieldKey(i).toLowerCase())) { //根据正则表达查找文件名 Matcher m = Pattern.compile(".*filename=(.*)").matcher(mine.toLowerCase()); if (m.find()){ return m.group(1); } } } filename = UUID.randomUUID() + ".tmp";//默认取一个文件名 } return filename; } /** * 获取Http响应头字段 * @param http * @return */ public static Map<String, String> getHttpResponseHeader( HttpURLConnection http) { Map<String, String> header = new LinkedHashMap<String, String>(); for (int i = 0;; i++) { String mine = http.getHeaderField(i); if (mine == null) break; header.put(http.getHeaderFieldKey(i), mine); } return header; } /** * 打印Http头字段 * @param http */ public static void printResponseHeader(HttpURLConnection http) { Map<String, String> header = getHttpResponseHeader(http); for (Map.Entry<String, String> entry : header.entrySet()) { String key = entry.getKey() != null ? entry.getKey() + ":" : ""; print(key + entry.getValue()); } print("=====================printResponseHeader===============End=========="); } /** * 获取线程数 */ public int getThreadSize() { return threads.length; } /** * �˳����� */ public void exit() { this.exit = true; } public boolean getExit() { return this.exit; } /** * 获取文件大小 * @return */ public int getFileSize() { return fileSize; } /** * 累计已下载大小 * @param size */ public synchronized void append(int size) { downloadSize += size; } /** * 更新指定线程最后下载的位置 * @param threadId 线程id * @param pos 最后下载的位置 */ public synchronized void update(int threadId, int pos) { this.data.put(threadId, pos); this.fileService.update(this.downloadUrl, threadId, pos); } private static void print(String msg) { Log.i(TAG, msg); }}
创建greendao实体类
package Green.Bean;import org.greenrobot.greendao.annotation.Entity;import org.greenrobot.greendao.annotation.Id;import org.greenrobot.greendao.annotation.Property;import org.greenrobot.greendao.annotation.Generated;/** * User: Moyuchen * Date: 2017-11-16 15:11 * Description： */@Entitypublic class FileResult { @Id(autoincrement = true) private Long id; @Property(nameInDb = "DOWNPATH") private String downpath; @Property(nameInDb = "THREADID") private Integer threadid; @Property(nameInDb = "DOWNLENGTH") private Integer downlength; public Integer getDownlength() { return this.downlength; } public void setDownlength(Integer downlength) { this.downlength = downlength; } public Integer getThreadid() { return this.threadid; } public void setThreadid(Integer threadid) { this.threadid = threadid; } public String getDownpath() { return this.downpath; } public void setDownpath(String downpath) { this.downpath = downpath; } public Long getId() { return this.id; } public void setId(Long id) { this.id = id; } @Generated(hash = 1034016740) public FileResult(Long id, String downpath, Integer threadid, Integer downlength) { this.id = id; this.downpath = downpath; this.threadid = threadid; this.downlength = downlength; } @Generated(hash = 1832301249) public FileResult() { }}接下来就是Main类了MainActivitypackage moyuchen.com.download;import android.os.Bundle;import android.os.Environment;import android.os.Handler;import android.os.Message;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.ProgressBar;import android.widget.TextView;import android.widget.Toast;import java.io.File;import java.io.UnsupportedEncodingException;import java.net.URLEncoder;import moyuchen.com.download.download.DownloadProgressListener;import moyuchen.com.download.download.FileDownloader;public class MainActivity extends AppCompatActivity { private static final int PROCESSING = 1; private static final int FAILURE = -1; private EditText pathText; private TextView resultView; private Button downloadButton; private Button stopButton; /**进度条*/ private ProgressBar progressBar; private Handler handler = new UIHandler(); /** * 当Handler被创建会关联到创建它的当前线程的消息队列，该类用于往消息队列发送消息 * 消息队列中的消息由当前线程内部进行处理 */ private final class UIHandler extends Handler { public void handleMessage(Message msg) { switch (msg.what) { case PROCESSING: // progressBar.setProgress(msg.getData().getInt("size")); //已经下载的占总的大小的百分比 float fraction = (float) progressBar.getProgress() / (float) progressBar.getMax(); //当前已经下载的大小 int currentLength = (int) (fraction * 100); resultView.setText(currentLength + "%"); if (progressBar.getProgress() == progressBar.getMax()) { Toast.makeText(getApplicationContext(), R.string.success, Toast.LENGTH_LONG).show(); } break; case FAILURE: // 下载失败 Toast.makeText(getApplicationContext(), R.string.error, Toast.LENGTH_LONG).show(); break; } } } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); pathText = (EditText) findViewById(R.id.path); resultView = (TextView) findViewById(R.id.resultView); downloadButton = (Button) findViewById(R.id.downloadbutton); stopButton = (Button) findViewById(R.id.stopbutton); progressBar = (ProgressBar) findViewById(R.id.progressBar); ButtonClickListener listener = new ButtonClickListener(); downloadButton.setOnClickListener(listener); stopButton.setOnClickListener(listener); pathText.setText("http://mirror.aarnet.edu.au/pub/TED-talks/911Mothers_2010W-480p.mp4"); } private final class ButtonClickListener implements View.OnClickListener { @Override public void onClick(View v) { switch (v.getId()) { case R.id.downloadbutton: //开始下载 String path = pathText.getText().toString(); String filename = path.substring(path.lastIndexOf('/') + 1); try { filename = URLEncoder.encode(filename, "UTF-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } path = path.substring(0, path.lastIndexOf("/") + 1) + filename; if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) { File savDir = Environment.getExternalStorageDirectory(); download(path, savDir); } else { Toast.makeText(getApplicationContext(), R.string.sdcarderror, Toast.LENGTH_LONG).show(); } downloadButton.setEnabled(false); stopButton.setEnabled(true); break; case R.id.stopbutton: // 停止下载 exit(); Toast.makeText(getApplicationContext(), "Now thread is Stopping!!", Toast.LENGTH_LONG).show(); downloadButton.setEnabled(true); stopButton.setEnabled(false); break; } } private DownloadTask task; private void exit() { if (task != null) task.exit(); } /** * 下载方法 * @param path * @param savDir */ private void download(String path, File savDir) { task = new DownloadTask(path, savDir); new Thread(task).start(); } private final class DownloadTask implements Runnable { private String path; private File saveDir; private FileDownloader loader; public DownloadTask(String path, File saveDir) { this.path = path; this.saveDir = saveDir; } public void exit() { if (loader != null) loader.exit(); } DownloadProgressListener downloadProgressListener = new DownloadProgressListener() { @Override public void onDownloadSize(int size) { Message msg = new Message(); msg.what = PROCESSING; msg.getData().putInt("size", size); handler.sendMessage(msg); } }; @Override public void run() { try { //构造下载器 loader = new FileDownloader(getApplicationContext(), path, saveDir, 3); progressBar.setMax(loader.getFileSize()); //开始下载 loader.download(downloadProgressListener); } catch (Exception e) { e.printStackTrace(); handler.sendMessage(handler.obtainMessage(FAILURE)); } } } }}
MainActivity中的布局文件
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="@string/path" /> <EditText android:id="@+id/path" android:layout_width="match_parent" android:layout_height="wrap_content" android:inputType="none" android:text="@string/fileaddress2" android:textSize="12sp" /> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <Button android:id="@+id/downloadbutton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/button" /> <Button android:id="@+id/stopbutton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:enabled="false" android:text="暂停下载" /> </LinearLayout> <ProgressBar android:id="@+id/progressBar" style="?android:attr/progressBarStyleHorizontal" android:layout_width="match_parent" android:layout_height="20dip" /> <TextView android:id="@+id/resultView" android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center" /></LinearLayout>ss
然后是String的资源文件，在values文件下的strings.xml
<resources> <string name="app_name">多线程断点续传下载</string> <string name="action_settings">Settings</string> <string name="hello_world">Hello world!</string> <string name="path">下载地址：</string> <string name="button">开始下载</string> <string name="success">下载完成</string> <string name="error">下载出错</string> <string name="stopbutton">暂停下载</string> <string name="sdcarderror">没有SD卡</string> <!-- <string name="fileaddress">http://www.winrar.com.cn/download/wrar380sc.exe</string> --> <string name="fileaddress2">http://abv.cn/music/光辉岁月.mp3</string> <!-- <string name="fileaddress">http://www.winrar.com.cn/download/wrar380sc.exe</string> --> <string name="fileaddress">http://nchc.dl.sourceforge.net/project/sevenzip/7-Zip/9.20/7z920.exe</string></resources>
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