允许应用被强制关闭后重启下载服务

res/values-zh-rCN/strings.xml

@@ -239,6 +239,9 @@
     <string name="media_scan_summary_on">请避免他人翻看你的图库应用</string>
     <string name="media_scan_summary_off">大多数图库应用将不会显示下载目录中的图片</string>
     <string name="download_thread_title">下载线程数</string>
+    <string name="keep_download_service_title">保持下载服务</string>
+    <string name="keep_download_service_summary_on">下载时，若应用被系统或用户强制关闭，下载服务会重新启动</string>
+    <string name="keep_download_service_summary_off">下载时，若应用被系统或用户强制关闭，下载服务不会重新启动</string>
 
     <string name="advanced_settings_title">高级</string>
     <string name="http_advanced_settings_title">HTTP</string>

res/xml/advanced_settings.xml

@@ -68,7 +68,7 @@
             auto:etpMax="100000" />
 
     </PreferenceCategory>
-    
+
     <PreferenceCategory
         android:title="@string/eh_others_settings_title">
 

res/xml/download_settings.xml

@@ -38,4 +38,11 @@
         auto:etpMin="1"
         auto:etpMax="10" />
 
+    <CheckBoxPreference
+        android:key="keep_download_service"
+        android:title="@string/keep_download_service_title"
+        android:summaryOn="@string/keep_download_service_summary_on"
+        android:summaryOff="@string/keep_download_service_summary_off"
+        android:defaultValue="true" />
+
 </PreferenceScreen>

src/com/hippo/ehviewer/AppContext.java

@@ -23,6 +23,7 @@ import java.io.IOException;
 import java.lang.Thread.UncaughtExceptionHandler;
 
 import android.app.Application;
+import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager.NameNotFoundException;
 
@@ -32,6 +33,8 @@ import com.hippo.ehviewer.ehclient.EhClient;
 import com.hippo.ehviewer.ehclient.EhInfo;
 import com.hippo.ehviewer.ehclient.ExDownloaderManager;
 import com.hippo.ehviewer.network.HttpHelper;
+import com.hippo.ehviewer.service.DownloadService;
+import com.hippo.ehviewer.service.DownloadServiceConnection;
 import com.hippo.ehviewer.util.Config;
 import com.hippo.ehviewer.util.Crash;
 import com.hippo.ehviewer.util.EhUtils;
@@ -45,26 +48,27 @@ import com.hippo.ehviewer.widget.SlidingDrawerLayout;
 public class AppContext extends Application implements UncaughtExceptionHandler {
 
     @SuppressWarnings("unused")
-    private static final String TAG = "AppContext";
+    private static final String TAG = AppContext.class.getSimpleName();
 
     public static final boolean DEBUG = true;
 
     private Thread.UncaughtExceptionHandler mDefaultHandler;
 
-    private static AppContext sInstance;
-
-    public static AppContext getInstance() {
-        return sInstance;
-    }
-
-    public AppContext() {
-        sInstance = this;
-    }
+    private DownloadServiceConnection mServiceConn;
 
     @Override
     public void onCreate() {
         super.onCreate();
 
+        // Do catch error prepare
+        mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
+        Thread.setDefaultUncaughtExceptionHandler(this);
+
+        // Set download service connect
+        mServiceConn = new DownloadServiceConnection();
+        Intent it = new Intent(this, DownloadService.class);
+        bindService(it, mServiceConn, BIND_AUTO_CREATE);
+
         // Init everything
         Config.init(this);
         Log.init(this);
@@ -73,15 +77,12 @@ public class AppContext extends Application implements UncaughtExceptionHandler
         EhClient.createInstance(this);
         Favorite.init(this);
         Data.createInstance(this);
-        ExDownloaderManager.createInstance();
+        ExDownloaderManager.createInstance(this);
         MaterialToast.setContext(this);
 
+        // Set drawer margin
         SlidingDrawerLayout.setDefaultMinDrawerMargin(Ui.ACTION_BAR_HEIGHT);
 
-        // Do catch error prepare
-        mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
-        Thread.setDefaultUncaughtExceptionHandler(this);
-
         // Add .nomedia or delete it
         File nomedia = new File(Config.getDownloadPath(), ".nomedia");
         if (Config.getMediaScan()) {
@@ -143,6 +144,15 @@ public class AppContext extends Application implements UncaughtExceptionHandler
         } catch (NameNotFoundException e) {}
     }
 
+    @Override
+    protected void finalize() {
+        unbindService(mServiceConn);
+    }
+
+    public DownloadServiceConnection getDownloadServiceConnection() {
+        return mServiceConn;
+    }
+
     /**
      * {@inheritDoc}
      */

src/com/hippo/ehviewer/data/Data.java

@@ -21,12 +21,16 @@ import java.util.List;
 
 import android.content.ContentValues;
 import android.content.Context;
+import android.content.Intent;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
 import android.util.SparseArray;
 
 import com.hippo.ehviewer.Analytics;
+import com.hippo.ehviewer.AppContext;
+import com.hippo.ehviewer.AppHandler;
+import com.hippo.ehviewer.service.DownloadService;
 import com.hippo.ehviewer.util.Config;
 import com.hippo.ehviewer.util.Log;
 import com.hippo.ehviewer.util.MathUtils;
@@ -268,6 +272,8 @@ public class Data {
 
     /****** download ******/
     private synchronized void getDownloads() {
+        boolean startService = false;
+        boolean keepDownloadService = Config.getKeepDownloadService();
         mDownloads = new ArrayList<DownloadInfo>();
 
         Cursor cursor = mDatabase.rawQuery("select * from " + TABLE_DOWNLOAD
@@ -285,8 +291,14 @@ public class Data {
                 int mode = cursor.getInt(1);
                 int state = cursor.getInt(2);
                 int legacy = cursor.getInt(3);
-                if (state == DownloadInfo.STATE_WAIT || state == DownloadInfo.STATE_DOWNLOAD)
-                    state = DownloadInfo.STATE_NONE;
+                if (state == DownloadInfo.STATE_WAIT || state == DownloadInfo.STATE_DOWNLOAD) {
+                    if (keepDownloadService) {
+                        state = DownloadInfo.STATE_WAIT;
+                        startService = true;
+                    } else {
+                        state = DownloadInfo.STATE_NONE;
+                    }
+                }
 
                 DownloadInfo downloadInfo = new DownloadInfo(
                         galleryInfo, mode, state, legacy);
@@ -296,8 +308,25 @@ public class Data {
             }
         }
         cursor.close();
+
+        if (startService)
+            AppHandler.getInstance().postDelayed(mRestartDownload, 100);
     }
 
+    private final Runnable mRestartDownload = new Runnable() {
+        @Override
+        public void run() {
+            DownloadService ds = ((AppContext) mContext.getApplicationContext()).getDownloadServiceConnection().getService();
+            if (ds != null) {
+                Intent it = new Intent(mContext, DownloadService.class);
+                mContext.startService(it);
+                ds.notifyDownloadInfoChanged();
+            } else {
+                AppHandler.getInstance().postDelayed(this, 100);
+            }
+        }
+    };
+
     /**
      * Return null if not found
      * @return
@@ -327,6 +356,12 @@ public class Data {
         return re;
     }
 
+    /**
+     * If exits, just update
+     *
+     * @param downloadInfo
+     * @return
+     */
     public synchronized boolean addDownload(DownloadInfo downloadInfo) {
         GalleryInfo galleryInfo = downloadInfo.galleryInfo;
         int gid = galleryInfo.gid;

src/com/hippo/ehviewer/ehclient/ExDownloader.java

@@ -33,7 +33,6 @@ import java.util.concurrent.ConcurrentLinkedQueue;
 import android.content.Context;
 import android.os.Process;
 
-import com.hippo.ehviewer.AppContext;
 import com.hippo.ehviewer.network.HttpHelper;
 import com.hippo.ehviewer.util.AutoExpandArray;
 import com.hippo.ehviewer.util.BgThread;
@@ -122,8 +121,8 @@ public class ExDownloader implements Runnable {
         public void onDownloadOver(int gid, int legacy);
     }
 
-    ExDownloader(int gid, String token, String title, int mode) {
-        mContext = AppContext.getInstance();
+    ExDownloader(Context context, int gid, String token, String title, int mode) {
+        mContext = context;
         mManager = ExDownloaderManager.getInstance();
         mGid = gid;
         mToken = token;

src/com/hippo/ehviewer/ehclient/ExDownloaderManager.java

@@ -19,8 +19,6 @@ package com.hippo.ehviewer.ehclient;
 import android.content.Context;
 import android.util.SparseArray;
 
-import com.hippo.ehviewer.AppContext;
-
 public class ExDownloaderManager {
 
     private static final String TAG = ExDownloaderManager.class.getSimpleName();
@@ -30,23 +28,23 @@ public class ExDownloaderManager {
 
     private static ExDownloaderManager sInstance;
 
-    public static void createInstance() {
-        sInstance = new ExDownloaderManager();
+    public static void createInstance(Context context) {
+        sInstance = new ExDownloaderManager(context.getApplicationContext());
     }
 
     public static ExDownloaderManager getInstance() {
         return sInstance;
     }
 
-    private ExDownloaderManager() {
-        mContext = AppContext.getInstance();
+    private ExDownloaderManager(Context context) {
+        mContext = context;
         mExDownloadList = new SparseArray<ExDownloader>();
     }
 
     public synchronized ExDownloader getExDownloader(int gid, String token, String title, int mode) {
         ExDownloader exDownloader = mExDownloadList.get(gid);
         if (exDownloader == null) {
-            exDownloader = new ExDownloader(gid, token, title, mode);
+            exDownloader = new ExDownloader(mContext, gid, token, title, mode);
             mExDownloadList.append(gid, exDownloader);
         }
         exDownloader.occupy();

src/com/hippo/ehviewer/service/DownloadService.java

@@ -78,8 +78,13 @@ public class DownloadService extends Service
     }
 
     private synchronized void handleIntent(Intent intent) {
-        if (intent == null)
+        if (intent == null) {
+            if (!Config.getKeepDownloadService()) {
+                mNotifyManager.cancel(DOWNLOADING_NOTIFY_ID);
+                stopSelf();
+            }
             return;
+        }
 
         String action = intent.getAction();
         if (ACTION_STOP.equals(action)) {
@@ -96,10 +101,8 @@ public class DownloadService extends Service
 
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-
         handleIntent(intent);
-
-        return START_NOT_STICKY;
+        return START_STICKY;
     }
 
     @Override
@@ -131,6 +134,8 @@ public class DownloadService extends Service
         mCurDownloadInfo.state = DownloadInfo.STATE_DOWNLOAD;
         mCurDownloadInfo.download = -1;
         mCurDownloadInfo.total = -1;
+        // To update download state
+        mData.addDownload(mCurDownloadInfo);
 
         GalleryInfo gi = mCurDownloadInfo.galleryInfo;
         mCurExDownloader = mEdManager.getExDownloader(gi.gid,
@@ -150,6 +155,8 @@ public class DownloadService extends Service
         if ((di = mData.getDownload(gid)) != null) {
             if (di.state != DownloadInfo.STATE_DOWNLOAD) {
                 di.state = DownloadInfo.STATE_WAIT;
+                // To update download state
+                mData.addDownload(di);
                 notifyDownloadInfoChanged();
                 notifyUpdate();
             }

src/com/hippo/ehviewer/service/DownloadServiceConnection.java

@@ -20,21 +20,20 @@ import android.content.ComponentName;
 import android.content.ServiceConnection;
 import android.os.IBinder;
 
-public class DownloadServiceConnection implements ServiceConnection{
-    
+public class DownloadServiceConnection implements ServiceConnection {
+
     private DownloadService mService;
-    
+
     @Override
     public void onServiceConnected(ComponentName name, IBinder service) {
         mService = ((DownloadService.ServiceBinder)service).getService();
-        
     }
 
     @Override
     public void onServiceDisconnected(ComponentName name) {
         mService = null;
     }
-    
+
     public DownloadService getService() {
         return mService;
     }

src/com/hippo/ehviewer/ui/DownloadActivity.java

@@ -37,6 +37,7 @@ import android.widget.LinearLayout;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
+import com.hippo.ehviewer.AppContext;
 import com.hippo.ehviewer.ImageLoader;
 import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.app.MaterialAlertDialog;
@@ -47,7 +48,6 @@ import com.hippo.ehviewer.data.GalleryInfo;
 import com.hippo.ehviewer.drawable.MaterialIndicatorDrawable;
 import com.hippo.ehviewer.drawable.MaterialIndicatorDrawable.Stroke;
 import com.hippo.ehviewer.service.DownloadService;
-import com.hippo.ehviewer.service.DownloadServiceConnection;
 import com.hippo.ehviewer.util.Config;
 import com.hippo.ehviewer.util.EhUtils;
 import com.hippo.ehviewer.util.Theme;
@@ -60,6 +60,7 @@ import com.hippo.ehviewer.windowsanimate.WindowsAnimate;
 
 public class DownloadActivity extends AbsActivity implements FitWindowView.OnFitSystemWindowsListener {
 
+    private AppContext mAppContext;
     private WindowsAnimate mWindowsAnimate;
     private int mThemeColor;
     private List<DownloadInfo> mDownloads;
@@ -68,7 +69,6 @@ public class DownloadActivity extends AbsActivity implements FitWindowView.OnFit
     private ExpandingListView mList;
     private ListAdapter mAdapter;
 
-    private final DownloadServiceConnection mServiceConn = new DownloadServiceConnection();
     private final BroadcastReceiver mReceiver = new BroadcastReceiver(){
         @Override
         public void onReceive(Context context, Intent intent) {
@@ -89,13 +89,12 @@ public class DownloadActivity extends AbsActivity implements FitWindowView.OnFit
         super.onCreate(savedInstanceState);
         setContentView(R.layout.download);
 
+        mAppContext = (AppContext) getApplication();
+
         // Init windows animate
         mWindowsAnimate = new WindowsAnimate();
         mWindowsAnimate.init(this);
 
-        // Service
-        Intent it = new Intent(this, DownloadService.class);
-        bindService(it, mServiceConn, BIND_AUTO_CREATE);
         // Receiver
         IntentFilter filter = new IntentFilter();
         filter.addAction(DownloadService.ACTION_UPDATE);
@@ -128,7 +127,6 @@ public class DownloadActivity extends AbsActivity implements FitWindowView.OnFit
     protected void onDestroy() {
         super.onDestroy();
         unregisterReceiver(mReceiver);
-        unbindService(mServiceConn);
         mWindowsAnimate.free();
     }
 
@@ -150,13 +148,13 @@ public class DownloadActivity extends AbsActivity implements FitWindowView.OnFit
         case R.id.action_start:
             it = new Intent(DownloadActivity.this, DownloadService.class);
             startService(it);
-            mServiceConn.getService().startAll();
+            mAppContext.getDownloadServiceConnection().getService().startAll();
             return true;
 
         case R.id.action_stop:
             it = new Intent(DownloadActivity.this, DownloadService.class);
             startService(it);
-            mServiceConn.getService().stopAll();
+            mAppContext.getDownloadServiceConnection().getService().stopAll();
             return true;
 
         default:
@@ -342,7 +340,7 @@ public class DownloadActivity extends AbsActivity implements FitWindowView.OnFit
                             if (which == MaterialAlertDialog.POSITIVE) {
                                 Intent it = new Intent(DownloadActivity.this, DownloadService.class);
                                 startService(it);
-                                mServiceConn.getService().delete(mDownloadInfo);
+                                mAppContext.getDownloadServiceConnection().getService().delete(mDownloadInfo);
                                 // Delete dir
                                 if (cb.isChecked()) {
                                     GalleryInfo gi = mDownloadInfo.galleryInfo;
@@ -372,7 +370,7 @@ public class DownloadActivity extends AbsActivity implements FitWindowView.OnFit
 
                 Intent it = new Intent(DownloadActivity.this, DownloadService.class);
                 startService(it);
-                mServiceConn.getService().notifyDownloadInfoChanged();
+                mAppContext.getDownloadServiceConnection().getService().notifyDownloadInfoChanged();
                 mAdapter.notifyDataSetChanged();
             }
         }
@@ -391,7 +389,7 @@ public class DownloadActivity extends AbsActivity implements FitWindowView.OnFit
         public void onClick(View v) {
             Intent it = new Intent(DownloadActivity.this, DownloadService.class);
             startService(it);
-            mServiceConn.getService().stop(mDownloadInfo);
+            mAppContext.getDownloadServiceConnection().getService().stop(mDownloadInfo);
             mAdapter.notifyDataSetChanged();
         }
     }

src/com/hippo/ehviewer/ui/FavouriteActivity.java

@@ -63,8 +63,6 @@ import com.hippo.ehviewer.data.GalleryInfo;
 import com.hippo.ehviewer.drawable.MaterialIndicatorDrawable;
 import com.hippo.ehviewer.drawable.MaterialIndicatorDrawable.Stroke;
 import com.hippo.ehviewer.ehclient.EhClient;
-import com.hippo.ehviewer.service.DownloadService;
-import com.hippo.ehviewer.service.DownloadServiceConnection;
 import com.hippo.ehviewer.util.Config;
 import com.hippo.ehviewer.util.Favorite;
 import com.hippo.ehviewer.util.Theme;
@@ -120,8 +118,6 @@ public class FavouriteActivity extends AbsActivity
     private List<GalleryInfo> mLastModifyGiList = null;
     private int mLastModifyPageNum = 0;
 
-    private final DownloadServiceConnection mServiceConn = new DownloadServiceConnection();
-
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
@@ -163,10 +159,6 @@ public class FavouriteActivity extends AbsActivity
         mActionBar = getActionBar();
         mActionBar.setDisplayHomeAsUpEnabled(true);
 
-        // Download service
-        Intent it = new Intent(FavouriteActivity.this, DownloadService.class);
-        bindService(it, mServiceConn, BIND_AUTO_CREATE);
-
         // Menu
         MaterialIndicatorDrawable materialIndicator = new MaterialIndicatorDrawable(this, Color.WHITE, Stroke.THIN);
         materialIndicator.setIconState(MaterialIndicatorDrawable.IconState.ARROW);
@@ -337,7 +329,6 @@ public class FavouriteActivity extends AbsActivity
     @Override
     protected void onDestroy() {
         super.onDestroy();
-        unbindService(mServiceConn);
     }
 
     private void showToastBar(final ActionClickedListener listener, int descriptionIconResourceId,

src/com/hippo/ehviewer/ui/GalleryDetailActivity.java

@@ -58,6 +58,7 @@ import android.widget.TextSwitcher;
 import android.widget.TextView;
 import android.widget.ViewSwitcher;
 
+import com.hippo.ehviewer.AppContext;
 import com.hippo.ehviewer.ImageLoader;
 import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.app.MaterialAlertDialog;
@@ -79,7 +80,6 @@ import com.hippo.ehviewer.drawable.OvalDrawable;
 import com.hippo.ehviewer.ehclient.DetailUrlParser;
 import com.hippo.ehviewer.ehclient.EhClient;
 import com.hippo.ehviewer.service.DownloadService;
-import com.hippo.ehviewer.service.DownloadServiceConnection;
 import com.hippo.ehviewer.util.Config;
 import com.hippo.ehviewer.util.Constants;
 import com.hippo.ehviewer.util.Favorite;
@@ -114,12 +114,11 @@ public class GalleryDetailActivity extends AbsActivity
 
     public static final String KEY_G_INFO = "gallery_info";
 
+    private AppContext mAppContext;
     private Resources mResources;
     private EhClient mClient;
     private WindowsAnimate mWindowsAnimate;
     private GalleryInfo mGalleryInfo;
-    private final DownloadServiceConnection mServiceConn =
-            new DownloadServiceConnection();
 
     private int mRunningAnimateNum = 0;
     private boolean isCheckmark = false;
@@ -271,7 +270,6 @@ public class GalleryDetailActivity extends AbsActivity
     protected void onDestroy() {
         super.onDestroy();
         mWindowsAnimate.free();
-        unbindService(mServiceConn);
     }
 
     @Override
@@ -286,6 +284,7 @@ public class GalleryDetailActivity extends AbsActivity
         setContentView(R.layout.gallery_detail);
         setTitle(String.valueOf(mGalleryInfo.gid));
 
+        mAppContext = (AppContext) getApplication();
         mClient = EhClient.getInstance();
         mWindowsAnimate = new WindowsAnimate();
         mWindowsAnimate.init(this);
@@ -421,10 +420,6 @@ public class GalleryDetailActivity extends AbsActivity
         mRefreshText.setDefaultRefresh("点击重试", this);
 
         doPreLayout();
-
-        // Download service
-        Intent it = new Intent(GalleryDetailActivity.this, DownloadService.class);
-        bindService(it, mServiceConn, BIND_AUTO_CREATE);
     }
 
     @Override
@@ -809,7 +804,7 @@ public class GalleryDetailActivity extends AbsActivity
         if (v == mDownloadButton) {
             Intent it = new Intent(GalleryDetailActivity.this, DownloadService.class);
             startService(it);
-            mServiceConn.getService().add(mGalleryInfo);
+            mAppContext.getDownloadServiceConnection().getService().add(mGalleryInfo);
             MaterialToast.showToast(R.string.toast_add_download);
         } else if (v == mReadButton) {
             //mData.addRead(mGalleryInfo);

src/com/hippo/ehviewer/ui/GalleryListActivity.java

@@ -83,7 +83,6 @@ import com.hippo.ehviewer.drawable.MaterialIndicatorDrawable.Stroke;
 import com.hippo.ehviewer.ehclient.EhClient;
 import com.hippo.ehviewer.network.HttpHelper;
 import com.hippo.ehviewer.service.DownloadService;
-import com.hippo.ehviewer.service.DownloadServiceConnection;
 import com.hippo.ehviewer.tile.TileSalon;
 import com.hippo.ehviewer.util.Config;
 import com.hippo.ehviewer.util.DialogUtils;
@@ -151,6 +150,7 @@ public class GalleryListActivity extends AbsActivity implements View.OnClickList
     public static final int LIST_MODE_DETAIL = 0x0;
     public static final int LIST_MODE_THUMB = 0x1;
 
+    private AppContext mAppContext;
     private EhClient mClient;
     private Resources mResources;
     private WindowsAnimate mWindowsAnimate;
@@ -211,8 +211,6 @@ public class GalleryListActivity extends AbsActivity implements View.OnClickList
 
     private String mTitle;
 
-    private final DownloadServiceConnection mServiceConn = new DownloadServiceConnection();
-
     private int mListMode;
 
     private int mListDetailThumbWidth;
@@ -566,7 +564,7 @@ public class GalleryListActivity extends AbsActivity implements View.OnClickList
                         case 1:
                             Intent it = new Intent(GalleryListActivity.this, DownloadService.class);
                             startService(it);
-                            mServiceConn.getService().add(gi);
+                            mAppContext.getDownloadServiceConnection().getService().add(gi);
                             MaterialToast.showToast(R.string.toast_add_download);
                             break;
                         }
@@ -973,6 +971,7 @@ public class GalleryListActivity extends AbsActivity implements View.OnClickList
         super.onCreate(savedInstanceState);
         setContentView(R.layout.gallery_list);
 
+        mAppContext = (AppContext) getApplication();
         mData = Data.getInstance();
         mClient = EhClient.getInstance();
         mResources = getResources();
@@ -999,10 +998,6 @@ public class GalleryListActivity extends AbsActivity implements View.OnClickList
         else
             mShowDrawer = true;
 
-        // Download service
-        Intent it = new Intent(GalleryListActivity.this, DownloadService.class);
-        bindService(it, mServiceConn, BIND_AUTO_CREATE);
-
         // Init dialog
         loginDialog = createLoginDialog();
         mSearchDialog = createSearchDialog();
@@ -1511,7 +1506,6 @@ public class GalleryListActivity extends AbsActivity implements View.OnClickList
     @Override
     protected void onDestroy() {
         super.onDestroy();
-        unbindService(mServiceConn);
 
         mWindowsAnimate.free();
     }

src/com/hippo/ehviewer/util/Config.java

@@ -349,6 +349,9 @@ public final class Config {
     private static final String KEY_DOWNLOAD_THREAD = "download_thread";
     private static final int DEFAULT_DOWNLOAD_THREAD = 3;
 
+    private static final String KEY_KEEP_DOWNLOAD_SERVICE = "keep_download_service";
+    private static final boolean DEFAULT_KEEP_DOWNLOAD_SERVICE = true;
+
     public static String getDownloadPath() {
         return getString(KEY_DOWNLOAD_PATH, DEFAULT_DOWNLOAD_PATH);
     }
@@ -365,6 +368,10 @@ public final class Config {
         return getIntFromStr(KEY_DOWNLOAD_THREAD, DEFAULT_DOWNLOAD_THREAD);
     }
 
+    public static boolean getKeepDownloadService() {
+        return getBoolean(KEY_KEEP_DOWNLOAD_SERVICE, DEFAULT_KEEP_DOWNLOAD_SERVICE);
+    }
+
 
     /****** Advanced ******/