Updated services clean-up; Android 4.3 and 4.4 keep a huge number of threads in other case

src/com/owncloud/android/files/services/FileDownloader.java

@@ -109,15 +109,31 @@ public class FileDownloader extends Service implements OnDatatransferProgressLis
     @Override
     public void onCreate() {
         super.onCreate();
+        Log_OC.d(TAG, "Creating service");
         mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
-        HandlerThread thread = new HandlerThread("FileDownloaderThread",
-                Process.THREAD_PRIORITY_BACKGROUND);
+        HandlerThread thread = new HandlerThread("FileDownloaderThread", Process.THREAD_PRIORITY_BACKGROUND);
         thread.start();
         mServiceLooper = thread.getLooper();
         mServiceHandler = new ServiceHandler(mServiceLooper, this);
         mBinder = new FileDownloaderBinder();
     }
 
+
+    /**
+     * Service clean up
+     */
+    @Override
+    public void onDestroy() {
+        Log_OC.v(TAG, "Destroying service" );
+        mBinder = null;
+        mServiceHandler = null;
+        mServiceLooper.quit();
+        mServiceLooper = null;
+        mNotificationManager = null;
+        super.onDestroy();
+    }
+
+
     /**
      * Entry point to add one or several files to the queue of downloads.
      *
@@ -126,6 +142,8 @@ public class FileDownloader extends Service implements OnDatatransferProgressLis
      */
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
+        Log_OC.d(TAG, "Starting command with id " + startId);
+
         if (    !intent.hasExtra(EXTRA_ACCOUNT) ||
                 !intent.hasExtra(EXTRA_FILE)
            ) {
@@ -342,11 +360,10 @@ public class FileDownloader extends Service implements OnDatatransferProgressLis
                 Iterator<String> it = requestedDownloads.iterator();
                 while (it.hasNext()) {
                     String next = it.next();
-                    /*Log_OC.v(   "NOW " + TAG + ", thread " + Thread.currentThread().getName(),
-                            "Handling download file " + next);*/
                     mService.downloadFile(next);
                 }
             }
+            Log_OC.d(TAG, "Stopping after command with id " + msg.arg1);
             mService.stopSelf(msg.arg1);
         }
     }

src/com/owncloud/android/files/services/FileUploader.java

@@ -161,7 +161,7 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
     @Override
     public void onCreate() {
         super.onCreate();
-        Log_OC.i(TAG, "mPendingUploads size:" + mPendingUploads.size());
+        Log_OC.d(TAG, "Creating service");
         mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
         HandlerThread thread = new HandlerThread("FileUploaderThread", Process.THREAD_PRIORITY_BACKGROUND);
         thread.start();
@@ -170,6 +170,21 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
         mBinder = new FileUploaderBinder();
     }
 
+    /**
+     * Service clean up
+     */
+    @Override
+    public void onDestroy() {
+        Log_OC.v(TAG, "Destroying service" );
+        mBinder = null;
+        mServiceHandler = null;
+        mServiceLooper.quit();
+        mServiceLooper = null;
+        mNotificationManager = null;
+        super.onDestroy();
+    }
+
+
     /**
      * Entry point to add one or several files to the queue of uploads.
      * 
@@ -179,6 +194,8 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
      */
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
+        Log_OC.d(TAG, "Starting command with id " + startId);
+
         if (!intent.hasExtra(KEY_ACCOUNT) || !intent.hasExtra(KEY_UPLOAD_TYPE)
                 || !(intent.hasExtra(KEY_LOCAL_FILE) || intent.hasExtra(KEY_FILE))) {
             Log_OC.e(TAG, "Not enough information provided in intent");
@@ -467,6 +484,7 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
                     mService.uploadFile(it.next());
                 }
             }
+            Log_OC.d(TAG, "Stopping command after id " + msg.arg1);
             mService.stopSelf(msg.arg1);
         }
     }

src/com/owncloud/android/operations/SynchronizeFolderOperation.java

@@ -440,7 +440,8 @@ public class SynchronizeFolderOperation extends SyncOperation {
      */
     private void startContentSynchronizations(List<SyncOperation> filesToSyncContents, OwnCloudClient client) 
             throws OperationCancelledException {
-        
+
+        Log_OC.v(TAG, "Starting content synchronization... ");
         RemoteOperationResult contentsResult = null;
         for (SyncOperation op: filesToSyncContents) {
             if (mCancellationRequested.get()) {

src/com/owncloud/android/services/OperationsService.java

@@ -144,6 +144,8 @@ public class OperationsService extends Service {
     @Override
     public void onCreate() {
         super.onCreate();
+        Log_OC.d(TAG, "Creating service");
+
         /// First worker thread for most of operations 
         HandlerThread thread = new HandlerThread("Operations thread", Process.THREAD_PRIORITY_BACKGROUND);
         thread.start();
@@ -165,12 +167,12 @@ public class OperationsService extends Service {
      */
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-        // WIP: for the moment, only SYNC_FOLDER and CANCEL_SYNC_FOLDER is expected here;
+        Log_OC.d(TAG, "Starting command with id " + startId);
+
+        // WIP: for the moment, only SYNC_FOLDER is expected here;
         // the rest of the operations are requested through the Binder
         if (ACTION_SYNC_FOLDER.equals(intent.getAction())) {
 
-            /*Log_OC.v("NOW " + TAG + ", thread " + Thread.currentThread().getName(), "Received request to sync folder");*/
-
             if (!intent.hasExtra(EXTRA_ACCOUNT) || !intent.hasExtra(EXTRA_REMOTE_PATH)) {
                 Log_OC.e(TAG, "Not enough information provided in intent");
                 return START_NOT_STICKY;
@@ -186,10 +188,6 @@ public class OperationsService extends Service {
                 Message msg = mSyncFolderHandler.obtainMessage();
                 msg.arg1 = startId;
                 msg.obj = itemSyncKey;
-                /*Log_OC.v(
-                        "NOW " + TAG + ", thread " + Thread.currentThread().getName(),
-                        "Sync folder " + remotePath + " added to queue"
-                );*/
                 mSyncFolderHandler.sendMessage(msg);
             }
 
@@ -204,7 +202,7 @@ public class OperationsService extends Service {
 
     @Override
     public void onDestroy() {
-        //Log_OC.wtf(TAG, "onDestroy init" );
+        Log_OC.v(TAG, "Destroying service" );
         // Saving cookies
         try {
             OwnCloudClientManagerFactory.getDefaultSingleton().
@@ -221,10 +219,16 @@ public class OperationsService extends Service {
             e.printStackTrace();
         }
         
-        //Log_OC.wtf(TAG, "Clear mUndispatchedFinishedOperations" );
         mUndispatchedFinishedOperations.clear();
-        
-        //Log_OC.wtf(TAG, "onDestroy end" );
+
+        mOperationsBinder = null;
+
+        mOperationsHandler.getLooper().quit();
+        mOperationsHandler = null;
+
+        mSyncFolderHandler.getLooper().quit();
+        mSyncFolderHandler = null;
+
         super.onDestroy();
     }
 
@@ -276,10 +280,6 @@ public class OperationsService extends Service {
          * @param file          A folder in the queue of pending synchronizations
          */
         public void cancel(Account account, OCFile file) {
-            /*Log_OC.v(
-                    "NOW " + TAG + ", thread " + Thread.currentThread().getName(),
-                    "Received request to cancel folder " + file.getRemotePath()
-            );*/
             mSyncFolderHandler.cancel(account, file);
         }
 
@@ -413,6 +413,7 @@ public class OperationsService extends Service {
         @Override
         public void handleMessage(Message msg) {
             nextOperation();
+            Log_OC.d(TAG, "Stopping after command with id " + msg.arg1);
             mService.stopSelf(msg.arg1);
         }
         

src/com/owncloud/android/services/SyncFolderHandler.java

@@ -86,9 +86,8 @@ class SyncFolderHandler extends Handler {
     @Override
     public void handleMessage(Message msg) {
         Pair<Account, String> itemSyncKey = (Pair<Account, String>) msg.obj;
-        /*Log_OC.v(   "NOW " + TAG + ", thread " + Thread.currentThread().getName(),
-                    "Handling sync folder " + itemSyncKey.second);*/
         doOperation(itemSyncKey.first, itemSyncKey.second);
+        Log_OC.d(TAG, "Stopping after command with id " + msg.arg1);
         mService.stopSelf(msg.arg1);
     }
 
@@ -98,8 +97,6 @@ class SyncFolderHandler extends Handler {
      */
     private void doOperation(Account account, String remotePath) {
 
-        /*Log_OC.v(   "NOW " + TAG + ", thread " + Thread.currentThread().getName(),
-                "Getting sync folder " + remotePath);*/
         mCurrentSyncOperation = mPendingOperations.get(account, remotePath);
 
         if (mCurrentSyncOperation != null) {
@@ -120,8 +117,6 @@ class SyncFolderHandler extends Handler {
                 mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
                         getClientFor(ocAccount, mService);
 
-                /*Log_OC.v(   "NOW " + TAG + ", thread " + Thread.currentThread().getName(),
-                        "Executing sync folder " + remotePath);*/
                 result = mCurrentSyncOperation.execute(mOwnCloudClient, mStorageManager);
 
             } catch (AccountsException e) {
@@ -129,9 +124,6 @@ class SyncFolderHandler extends Handler {
             } catch (IOException e) {
                 Log_OC.e(TAG, "Error while trying to get authorization", e);
             } finally {
-                /*Log_OC.v(   "NOW " + TAG + ", thread " + Thread.currentThread().getName(),
-                        "Removing payload " + remotePath);*/
-
                 mPendingOperations.removePayload(account, remotePath);
 
                 mService.dispatchResultToOperationListeners(null, mCurrentSyncOperation, result);
@@ -158,26 +150,17 @@ class SyncFolderHandler extends Handler {
             Log_OC.e(TAG, "Cannot cancel with NULL parameters");
             return;
         }
-        /*Log_OC.v(   "NOW " + TAG + ", thread " + Thread.currentThread().getName(),
-                "Removing sync folder " + file.getRemotePath());*/
         Pair<SynchronizeFolderOperation, String> removeResult =
                 mPendingOperations.remove(account, file.getRemotePath());
         SynchronizeFolderOperation synchronization = removeResult.first;
         if (synchronization != null) {
-            /*Log_OC.v(   "NOW " + TAG + ", thread " + Thread.currentThread().getName(),
-                    "Canceling returned sync of " + file.getRemotePath());*/
             synchronization.cancel();
         } else {
             // TODO synchronize?
             if (mCurrentSyncOperation != null && mCurrentAccount != null &&
                     mCurrentSyncOperation.getRemotePath().startsWith(file.getRemotePath()) &&
                     account.name.equals(mCurrentAccount.name)) {
-                /*Log_OC.v(   "NOW " + TAG + ", thread " + Thread.currentThread().getName(),
-                        "Canceling current sync as descendant: " + mCurrentSyncOperation.getRemotePath());*/
                 mCurrentSyncOperation.cancel();
-            } else {
-                /*Log_OC.v(   "NOW " + TAG + ", thread " + Thread.currentThread().getName(),
-                        "Nothing else in cancelation of " + file.getRemotePath());*/
             }
         }