430 lines
15 KiB
Java
430 lines
15 KiB
Java
package com.gh.download;
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import android.content.*;
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import android.os.Handler;
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import android.os.Message;
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import android.support.v4.util.ArrayMap;
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import android.widget.Toast;
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import com.gh.common.constant.Config;
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import com.gh.common.constant.Constants;
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import com.gh.common.util.*;
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import com.gh.gamecenter.entity.ApkEntity;
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import com.gh.gamecenter.entity.GameEntity;
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import com.gh.gamecenter.manager.PackageManager;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map.Entry;
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import java.util.concurrent.LinkedBlockingQueue;
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public class DownloadManager {
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private static DownloadManager mInstance;
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private Context context;
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private Handler handler;
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private ArrayMap<String, Long> lastTimeMap;
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private ArrayMap<String, LinkedBlockingQueue<String>> platformMap;
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private ArrayMap<String, ArrayMap<String, DownloadEntity>> gameMap;
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private ArrayMap<String, String> statusMap;
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private DownloadManager(Context context) {
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this.context = context;
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lastTimeMap = new ArrayMap<>();
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platformMap = new ArrayMap<>();
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gameMap = new ArrayMap<>();
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statusMap = new ArrayMap<>();
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handler = new Handler(context.getMainLooper()) {
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@Override
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public void handleMessage(Message msg) {
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if (msg.what == Constants.CONTINUE_DOWNLOAD_TASK) {
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String url = (String) msg.obj;
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if (System.currentTimeMillis() - lastTimeMap.get(url) >= 1000) {
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resume(url);
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}
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} else if (msg.what == Constants.PAUSE_DOWNLOAD_TASK) {
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String url = (String) msg.obj;
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if (System.currentTimeMillis() - lastTimeMap.get(url) >= 1000) {
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pause(url);
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}
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} else if (msg.what == Constants.DOWNLOAD_ROLL) {
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String name = (String) msg.obj;
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LinkedBlockingQueue<String> queue = platformMap.get(name);
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if (queue.size() > 1) {
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queue.offer(queue.poll());
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Message message = Message.obtain();
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message.obj = name;
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message.what = Constants.DOWNLOAD_ROLL;
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sendMessageDelayed(message, 3000);
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}
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}
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}
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};
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}
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public static DownloadManager getInstance(Context context) {
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if (mInstance == null) {
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mInstance = new DownloadManager(context.getApplicationContext());
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}
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return mInstance;
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}
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public static void createDownload(Context context,
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GameEntity gameEntity,
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String method,
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String entrance,
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String location) {
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createDownload(context, gameEntity.getApk().get(0), gameEntity, method, entrance, location);
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}
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public static void createDownload(final Context context,
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ApkEntity apkEntity,
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GameEntity gameEntity,
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String method,
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String entrance,
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String location) {
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// 安装指引
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if (android.os.Build.MANUFACTURER.equalsIgnoreCase("Huawei") || "Oppo".equalsIgnoreCase(android.os.Build.MANUFACTURER)) {
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SharedPreferences sp = context.getSharedPreferences(Config.PREFERENCE, Context.MODE_PRIVATE);
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final SharedPreferences.Editor edit = sp.edit();
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if (sp.getBoolean("InstallHint" + PackageUtils.getVersionName(context), true)) {
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DialogUtils.showInstallHintDialog(context,
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new DialogUtils.ConfirmListener() {
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@Override
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public void onConfirm() {
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edit.putBoolean("InstallHint" + PackageUtils.getVersionName(context), false).apply();
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}
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});
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}
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}
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DownloadEntity downloadEntity = new DownloadEntity();
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downloadEntity.setUrl(apkEntity.getUrl());
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downloadEntity.setName(gameEntity.getName());
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downloadEntity.setPath(FileUtils.getDownloadPath(context,
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MD5Utils.getContentMD5(gameEntity.getName() + "_" + System.currentTimeMillis()) + ".apk"));
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downloadEntity.setETag(apkEntity.getEtag());
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downloadEntity.setIcon(gameEntity.getIcon());
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downloadEntity.setPlatform(apkEntity.getPlatform());
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downloadEntity.setPackageName(apkEntity.getPackageName());
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downloadEntity.setGameId(gameEntity.getId());
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downloadEntity.setEntrance(entrance);
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downloadEntity.setLocation(location);
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int installed = 0;
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for (ApkEntity apk : gameEntity.getApk()) {
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if (PackageManager.isInstalled(apk.getPackageName())) {
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installed++;
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}
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}
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downloadEntity.setInstalled(installed);
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if (method.equals("更新")) {
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downloadEntity.setUpdate(true);
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} else if (method.equals("插件化")) {
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downloadEntity.setPluggable(true);
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}
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downloadEntity.setPlugin(gameEntity.getTag() != null && gameEntity.getTag().size() != 0);
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DownloadManager.getInstance(context.getApplicationContext()).add(downloadEntity);
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// 收集下载数据
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DataCollectionUtils.uploadDownload(context, downloadEntity, "开始");
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}
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public void put(String url, long time) {
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lastTimeMap.put(url, time);
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}
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public void putQueue(String name, LinkedBlockingQueue<String> queue) {
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platformMap.put(name, queue);
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}
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public LinkedBlockingQueue<String> getQueue(String name) {
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return platformMap.get(name);
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}
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public void removePlatform(String name, String platform) {
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LinkedBlockingQueue<String> queue = platformMap.get(name);
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if (queue != null) {
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queue.remove(platform);
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platformMap.put(name, queue);
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}
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}
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public void initGameMap() {
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gameMap.clear();
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List<DownloadEntity> list = getAll();
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if (list != null && list.size() != 0) {
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String name;
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for (DownloadEntity downloadEntity : list) {
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name = downloadEntity.getName();
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ArrayMap<String, DownloadEntity> map = gameMap.get(name);
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if (map == null) {
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map = new ArrayMap<>();
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gameMap.put(name, map);
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}
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map.put(downloadEntity.getPlatform(), downloadEntity);
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}
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}
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}
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public ArrayMap<String, DownloadEntity> getEntryMap(String name) {
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return gameMap.get(name);
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}
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public void putStatus(String url, String status) {
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statusMap.put(url, status);
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}
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public String getStatus(String url) {
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return statusMap.get(url);
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}
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public void sendMessageDelayed(Message msg, long delayMillis) {
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handler.sendMessageDelayed(msg, delayMillis);
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}
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private Intent getIntent(DownloadEntity entry, DownloadStatus status) {
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Intent service = new Intent(context, DownloadService.class);
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service.putExtra(Constants.KEY_DOWNLOAD_ENTRY, entry);
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service.putExtra(Constants.KEY_DOWNLOAD_ACTION, status.name());
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return service;
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}
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/**
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* 根据url到本地sqlite数据库中查找并获取该文件的保存路径， 并检查改路径下文件是否存在,不存在则删除该条无效记录
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*
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* @param url 下载任务的标识url
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*/
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private boolean checkDownloadEntryRecordValidate(String url) {
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DownloadEntity entry = get(url);
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if (entry != null && ((int) entry.getPercent()) != 0) {
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File file = new File(entry.getPath());
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if (!file.exists()) {
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DownloadDao.getInstance(context).delete(url);
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Utils.log(DownloadManager.class.getSimpleName(), "文件不存在,删除该条无效数据库记录!");
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return true;
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}
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}
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return false;
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}
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/**
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* 检查任务是否已经下载完成
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*
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* @param url
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* @return
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*/
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public boolean isFileCompleted(String url) {
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DownloadEntity entry = get(url);
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if (entry != null) {
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if (entry.getPercent() == 100) {
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Utils.log(DownloadManager.class.getSimpleName(), "文件已经下载完成!");
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return true;
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}
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}
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return false;
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}
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public boolean isTaskDownloading(String url) {
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if (DataChanger.getInstance().getDownloadingTasks().get(url) != null) {
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Utils.log(DownloadManager.class.getSimpleName(), url + "正在下载!");
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return true;
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}
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return false;
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}
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/**
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* 添加一个下载任务
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*
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* @param downloadEntity
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*/
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public void add(DownloadEntity downloadEntity) {
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if (downloadEntity != null) {
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String url = downloadEntity.getUrl();
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checkDownloadEntryRecordValidate(url);
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if (isFileCompleted(url)) {
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downloadEntity.setStatus(DownloadStatus.done);
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DataChanger.getInstance().notifyDataChanged(downloadEntity);
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} else if (!isTaskDownloading(url)) {
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context.startService(getIntent(downloadEntity, DownloadStatus.add));
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}
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}
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Utils.log(DownloadManager.class.getSimpleName(), "add");
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}
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/**
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* 根据任务url暂停下载
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*
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* @param url
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*/
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public void pause(String url) {
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checkDownloadEntryRecordValidate(url);
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DownloadEntity entry = DataChanger.getInstance().getDownloadEntries()
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.get(url);
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if (entry != null) {
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context.startService(getIntent(entry, DownloadStatus.pause));
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}
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Utils.log(DownloadManager.class.getSimpleName(), "pause");
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}
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/**
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* 根据url恢复下载
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*
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* @param url
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*/
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public void resume(String url) {
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DownloadEntity entry = get(url);
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// 暂停任务后，把文件删除，然后点继续，文件不存在，需要重新加入下载队列进行下载
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if (checkDownloadEntryRecordValidate(url)) {
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Toast.makeText(context, "文件不存在！已重新加入下载队列", Toast.LENGTH_SHORT)
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.show();
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add(entry);
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} else {
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if (entry != null) {
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if (isFileCompleted(url)) {
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entry.setStatus(DownloadStatus.done);
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DataChanger.getInstance().notifyDataChanged(entry);
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} else if (!isTaskDownloading(url)) {
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context.startService(getIntent(entry, DownloadStatus.resume));
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}
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}
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}
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Utils.log(DownloadManager.class.getSimpleName(), "resume");
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}
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/**
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* 根据url取消下载，并删除已下载的文件
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*
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* @param url
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*/
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public void cancel(String url) {
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cancel(url, true);
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}
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public void cancel(String url, boolean isDeleteFile) {
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DownloadEntity entry = DownloadDao.getInstance(context).get(url);
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if (entry != null) {
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if (isDeleteFile) {
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FileUtils.deleteFile(entry.getPath());
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}
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DownloadDao.getInstance(context).delete(url);
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Utils.log(DownloadManager.class.getSimpleName(), "cancle==>file and record were deleted!");
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}
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if (entry != null) {
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entry.setStatus(DownloadStatus.cancel);
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context.startService(getIntent(entry, DownloadStatus.cancel));
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Utils.log(DownloadManager.class.getSimpleName(), "cancel");
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}
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}
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/**
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* 取消并删除所有下载任务(包括下载中、等待、暂停状态的任务)
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*/
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public void cancleAll() {
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for (Entry<String, DownloadEntity> entry : DataChanger.getInstance()
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.getDownloadEntries().entrySet()) {
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cancel(entry.getValue().getUrl(), true);
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}
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Utils.log(DownloadManager.class.getSimpleName(), "cancel all");
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}
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/**
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* 开始所有下载任务
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*/
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public void startAll() {
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for (Entry<String, DownloadEntity> entry : DataChanger.getInstance()
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.getDownloadEntries().entrySet()) {
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add(entry.getValue());
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}
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Utils.log(DownloadManager.class.getSimpleName(), "start all");
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}
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/**
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* 暂停所有正在下载的任务
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*/
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public void pauseAll() {
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for (Entry<String, DownloadEntity> entry : DataChanger.getInstance().getDownloadEntries().entrySet()) {
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if (entry.getValue().getStatus() == DownloadStatus.downloading) {
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pause(entry.getValue().getUrl());
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}
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}
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Utils.log(DownloadManager.class.getSimpleName(), "pause all");
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}
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/**
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* 根据url获取某一个下载任务
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*
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* @param url 下载链接
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* @return null表示下载列表中不存在该任务，否则返回下载任务
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*/
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public DownloadEntity get(String url) {
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return DownloadDao.getInstance(context).get(url);
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}
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/**
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* 根据包名获取某一个下载任务
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*
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* @param packageName 包名
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* @return null表示下载列表中不存在该任务，否则返回下载任务
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*/
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public DownloadEntity getByPackage(String packageName) {
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for (DownloadEntity downloadEntity : DownloadDao.getInstance(context).getAll()) {
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if (packageName.equals(downloadEntity.getPackageName())) {
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return downloadEntity;
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}
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}
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return null;
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}
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/**
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* 获取所有下载列表中的任务
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*
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* @return null表示没有下载任务
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*/
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public List<DownloadEntity> getAll() {
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Utils.log(DownloadManager.class.getSimpleName(), "getAll");
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return DownloadDao.getInstance(context).getAll();
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}
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/**
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* 检查数据库中当前是下载状态，但并未在下载进程中的下载数据
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*/
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public void checkAll() {
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List<String> urlList = new ArrayList<>();
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for (Entry<String, DownloadTask> entry : DataChanger.getInstance()
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.getDownloadingTasks().entrySet()) {
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urlList.add(entry.getValue().getEntry().getUrl());
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}
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for (DownloadEntity downloadEntity : getAll()) {
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if (!urlList.contains(downloadEntity.getUrl())
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&& downloadEntity.getStatus().equals(DownloadStatus.downloading)) {
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downloadEntity.setStatus(DownloadStatus.pause);
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DownloadDao.getInstance(context).newOrUpdate(downloadEntity);
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DataChanger.getInstance().notifyDataChanged(downloadEntity);
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}
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}
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}
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public void addObserver(DataWatcher dataWatcher) {
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DataChanger.getInstance().addObserver(dataWatcher);
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Utils.log(DownloadManager.class.getSimpleName(), "addObserver");
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}
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public void removeObserver(DataWatcher dataWatcher) {
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DataChanger.getInstance().deleteObserver(dataWatcher);
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Utils.log(DownloadManager.class.getSimpleName(), "removeObserver");
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}
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public void removeObservers() {
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DataChanger.getInstance().deleteObservers();
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Utils.log(DownloadManager.class.getSimpleName(), "removeObserver");
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}
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}
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