haptisches feedback bei longclick

bei löschen eines feeds werden alle feeditems+folder gelöscht

TTTCLient/AndroidManifest.xml

@@ -9,6 +9,8 @@
 	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" >
 	</uses-permission>
 	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+	<uses-permission android:name="android.permission.VIBRATE" >
+	</uses-permission>
 
 	<uses-sdk
 		android:minSdkVersion="9"

TTTCLient/bin/AndroidManifest.xml

@@ -9,6 +9,8 @@
 	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" >
 	</uses-permission>
 	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+	<uses-permission android:name="android.permission.VIBRATE" >
+	</uses-permission>
 
 	<uses-sdk
 		android:minSdkVersion="9"

TTTCLient/res/layout/activity_player_main.xml

@@ -18,6 +18,7 @@
 				android:id="@+id/playerView_fullscreen"
 				android:layout_width="match_parent"
 				android:layout_height="match_parent"
+				android:background="@android:color/black"
 				android:scaleType="centerInside" />
 		</LinearLayout>
 

TTTCLient/res/layout/list_feeditems.xml

@@ -9,13 +9,14 @@
 		android:layout_height="wrap_content"
 		android:layout_weight="4"
 		android:gravity="center_vertical"
-		android:textAppearance="?android:attr/textAppearanceMedium" />
+		android:textAppearance="?android:attr/textAppearanceLarge" />
 
 	<ImageView
 		android:id="@+id/statusIcon"
 		android:layout_width="0dp"
 		android:layout_height="wrap_content"
 		android:layout_weight="1"
-		android:src="?android:attr/textCheckMark" />
+		android:src="@drawable/ic_action_download" >
+	</ImageView>
 
 </LinearLayout>
\ No newline at end of file

TTTCLient/res/menu/player_menu.xml

@@ -8,7 +8,7 @@
 		android:title="Search"/>
 	<item
 		android:id="@+id/extend"
-		android:icon="@android:drawable/ic_input_add"
+		android:icon="@drawable/ic_action_return_from_full_screen"
 		android:showAsAction="always">
 	</item>
 

TTTCLient/res/values/strings.xml

@@ -10,5 +10,11 @@
 	<string name="port">Port</string>
 	<string name="prompt_title">Connect to a Lecture</string>
 	<string name="multicast">Enabling Multicast</string>
+	<string name="confirm_download">Do you want to download this Lecture?\nThis could take some time and can\'t be canceled</string>
+	<string name="yes">Yes</string>
+	<string name="cancel">Cancel</string>
+	<string name="inet_needed">Internet Connection needed</string>
+	<string name="not_found">File was not found</string>
+	<string name="deleted">File was deleted</string>
 
 </resources>
\ No newline at end of file

TTTCLient/src/tttclient/activities/FeedActivity.java

@@ -2,6 +2,7 @@ package tttclient.activities;
 
 import tttclient.models.Feed;
 import tttclient.models.FeedDbManager;
+import tttclient.models.FeedItemDbManager;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
@@ -9,6 +10,7 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.database.Cursor;
 import android.os.Bundle;
+import android.os.Vibrator;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -29,13 +31,14 @@ public class FeedActivity extends Activity implements OnItemClickListener,
 	private SimpleCursorAdapter adapter;
 	private String feedUrl;
 	private String feedName;
-	private String feedId;
+	private int feedId;
+	private Vibrator myVib;
 
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 		setContentView(R.layout.feed_activity);
-
+		myVib = (Vibrator) this.getSystemService(VIBRATOR_SERVICE);
 		ListView feedList = (ListView) findViewById(R.id.feed_list);
 
 		FeedDbManager fManager = new FeedDbManager(this);
@@ -43,11 +46,12 @@ public class FeedActivity extends Activity implements OnItemClickListener,
 		adapter = new SimpleCursorAdapter(this,
 				android.R.layout.simple_list_item_2, cursor,
 				new String[] { FeedDbManager.COLUMN_NAME,
-						FeedDbManager.COLUMN_FEEDURL },
-				new int[] { android.R.id.text1 });
+						FeedDbManager.COLUMN_FEEDURL }, new int[] {
+						android.R.id.text1, android.R.id.text2 });
 
 		feedList.setAdapter(adapter);
 		feedList.setOnItemClickListener(this);
+		feedList.setOnItemLongClickListener(this);
 
 	}
 
@@ -109,9 +113,10 @@ public class FeedActivity extends Activity implements OnItemClickListener,
 		// click on feed in list
 		if (position != -1) {
 			Cursor c = (Cursor) av.getAdapter().getItem(position);
-			feedUrl = c.getString(c.getColumnIndex("feedUrl"));
-			feedName = c.getString(c.getColumnIndex("name"));
-			feedId = c.getString(c.getColumnIndex("_id"));
+			feedUrl = c.getString(c
+					.getColumnIndex(FeedDbManager.COLUMN_FEEDURL));
+			feedName = c.getString(c.getColumnIndex(FeedDbManager.COLUMN_NAME));
+			feedId = c.getInt(c.getColumnIndex("_id"));
 		}
 
 		Intent intent = new Intent(this, FeedDetailActivity.class);
@@ -127,6 +132,7 @@ public class FeedActivity extends Activity implements OnItemClickListener,
 		if (id == -1) {
 			return false;
 		}
+		myVib.vibrate(50);
 
 		// confirm delete
 		DialogInterface.OnClickListener listener = new DialogInterface.OnClickListener() {
@@ -136,19 +142,21 @@ public class FeedActivity extends Activity implements OnItemClickListener,
 
 				// delete feed from list, refresh feed list
 				Cursor c = (Cursor) av.getAdapter().getItem(position);
-				int _id = c.getInt(c.getColumnIndex(FeedDbManager.COLUMN_ID));
+				feedId = c.getInt(c.getColumnIndex("_id"));
 
 				FeedDbManager fm = new FeedDbManager(av.getContext());
-				fm.deleteFromDb(_id);
+				FeedItemDbManager fim = new FeedItemDbManager(av.getContext());
+				// delete all childs and their folders
+				fim.deleteFromDb(feedId);
+				fm.deleteFromDb(feedId);
 				adapter.changeCursor(fm.getAllFromDB());
 			}
 		};
 		AlertDialog.Builder builder = new AlertDialog.Builder(this);
-		builder.setMessage("Do you want to delete this feed?");
+		builder.setMessage("Do you want to delete this feed? All Lectures saved on this devices will be deleted");
 		builder.setPositiveButton("delete", listener);
 		builder.setNegativeButton("cancel", null);
 		builder.show();
-		return false;
+		return true;
 	}
-
 }

TTTCLient/src/tttclient/activities/FeedDetailActivity.java

@@ -25,12 +25,12 @@ import android.net.NetworkInfo;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.ResultReceiver;
+import android.os.Vibrator;
 import android.util.Log;
 import android.view.View;
 import android.widget.AdapterView;
 import android.widget.AdapterView.OnItemClickListener;
 import android.widget.AdapterView.OnItemLongClickListener;
-import android.widget.CheckedTextView;
 import android.widget.ImageView;
 import android.widget.ListView;
 import android.widget.SimpleCursorAdapter;
@@ -42,11 +42,10 @@ public class FeedDetailActivity extends Activity implements
 
 	private static String feedUrl;
 	private static String feedName;
-	private static String feedId;
+	private static int feedId;
 	private static String path;
 	private static String link;
 	private static String title;
-	private static String length;
 
 	ArrayList<FeedItem> itemList;
 	ParseService feedParser;
@@ -54,6 +53,7 @@ public class FeedDetailActivity extends Activity implements
 	SimpleCursorAdapter adapter;
 	ProgressDialog progressDialog;
 	ListView lv;
+	Vibrator myVib;
 
 	private final BroadcastReceiver receiver = new BroadcastReceiver() {
 
@@ -72,7 +72,7 @@ public class FeedDetailActivity extends Activity implements
 					if (result == RESULT_OK) {
 						Log.d("Download", "complete  " + path);
 						manager.updatePath(title, path, true);
-						adapter.changeCursor(manager.getAllFromDB());
+						adapter.changeCursor(manager.getAllFromDB(feedId));
 
 						startPlayer();
 
@@ -83,7 +83,7 @@ public class FeedDetailActivity extends Activity implements
 
 					try {
 						manager.insertintoDB(itemList, feedId);
-						adapter.changeCursor(manager.getAllFromDB());
+						adapter.changeCursor(manager.getAllFromDB(feedId));
 					} catch (Exception e) {
 						// TODO Auto-generated catch block
 						e.printStackTrace();
@@ -102,7 +102,9 @@ public class FeedDetailActivity extends Activity implements
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 		setContentView(R.layout.feed_details_activity);
+		myVib = (Vibrator) this.getSystemService(VIBRATOR_SERVICE);
 
+		// init progress dialog for showing downloading/unzipping progress
 		progressDialog = new ProgressDialog(FeedDetailActivity.this);
 		progressDialog.setIndeterminate(true);
 		progressDialog.setTitle("Downloading File");
@@ -111,7 +113,7 @@ public class FeedDetailActivity extends Activity implements
 		progressDialog.setCanceledOnTouchOutside(false);
 		progressDialog.setCancelable(false);
 
-		feedId = getIntent().getStringExtra("id");
+		feedId = getIntent().getIntExtra("id", 0);
 		feedName = getIntent().getStringExtra("name");
 		feedUrl = getIntent().getStringExtra("feedUrl");
 		this.setTitle(feedName);
@@ -119,7 +121,7 @@ public class FeedDetailActivity extends Activity implements
 		lv.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
 
 		manager = new FeedItemDbManager(this);
-		Cursor cursor = manager.getAllFromDB();
+		Cursor cursor = manager.getAllFromDB(feedId);
 		adapter = new SimpleCursorAdapter(this, R.layout.list_feeditems,
 				cursor, new String[] { FeedItemDbManager.COLUMN_TITLE,
 						FeedItemDbManager.COLUMN_STATUS }, new int[] {
@@ -138,11 +140,11 @@ public class FeedDetailActivity extends Activity implements
 
 					if (status == 1) {
 						icon.setImageDrawable(getResources().getDrawable(
-								(R.drawable.checked_icon)));
+								(R.drawable.ic_action_play)));
 
 					} else if (status == 0) {
 						icon.setImageDrawable(getResources().getDrawable(
-								(R.drawable.unchecked_icon)));
+								(R.drawable.ic_action_download)));
 
 					}
 
@@ -199,27 +201,30 @@ public class FeedDetailActivity extends Activity implements
 					.getColumnIndex(FeedItemDbManager.COLUMN_TITLE));
 			int status = c.getInt(c
 					.getColumnIndex(FeedItemDbManager.COLUMN_STATUS));
-			Log.d("FeedItem", "status: " + status);
 
-			if (path != null) {
-				if (checkPath(path)) {
+			// checks whether file has to be downloaded or can be played
+			if (status == 0)
+				startDownloadService();
+			// checks if saved path is correct
+			else if (status == 1) {
+				if (checkPath(path, title))
 					startPlayer();
-				} else {
-					manager.updatePath(title, "", false);
-					Toast.makeText(FeedDetailActivity.this,
-							"invalide path, start downloading",
+				else {
+					// if ttt file was not found , the whole directory is
+					// deleted and downloaded again
+					Toast.makeText(getApplicationContext(), R.string.not_found,
 							Toast.LENGTH_LONG).show();
+					try {
+						FileUtils.deleteDirectory(new File(path));
+					} catch (IOException e) {
+						// TODO Auto-generated catch block
+						e.printStackTrace();
+					}
 					startDownloadService();
+
 				}
 			}
-			// download file if it not exists
-
-			// checks if file exists at path --> No => delete path out of
-			// database and download file
-			else {
-				startDownloadService();
 
-			}
 		}
 	}
 
@@ -233,39 +238,48 @@ public class FeedDetailActivity extends Activity implements
 
 	public void startDownloadService() {
 
+		// check if network connection is available
 		if (isNetworkAvailable()) {
-			progressDialog.show();
-			Intent intent = new Intent(this, DownloadService.class);
-			intent.putExtra(DownloadService.FILE_NAME, title);
-			intent.putExtra(DownloadService.FILE_URL, link);
-			intent.putExtra(DownloadService.PROGRESS_RECEIVER,
-					new DownloadReceiver(new Handler()));
-
-			// Start download service
-			startService(intent);
-		} else
-			Toast.makeText(getApplicationContext(),
-					"Internet Connection needed", Toast.LENGTH_LONG).show();
-
-	}
+			// ask user for confirmation
+			AlertDialog.Builder builder = new AlertDialog.Builder(
+					FeedDetailActivity.this);
+			builder.setMessage(R.string.confirm_download);
+			builder.setPositiveButton(R.string.yes,
+					new DialogInterface.OnClickListener() {
+
+						// if confirmed, start DownloadService and show progress
+						// dialog
+						@Override
+						public void onClick(DialogInterface dialog, int which) {
+							progressDialog.show();
+
+							// define intent for service
+							Intent intent = new Intent(getApplicationContext(),
+									DownloadService.class);
+							intent.putExtra(DownloadService.FILE_NAME, title);
+							intent.putExtra(DownloadService.FILE_URL, link);
+							intent.putExtra(DownloadService.PROGRESS_RECEIVER,
+									new DownloadReceiver(new Handler()));
+
+							// Start download service
+							startService(intent);
+
+						}
+					});
+			builder.setNegativeButton(R.string.cancel, null);
+			builder.show();
 
-	public void isDownloaded() {
-		int count = lv.getChildCount();
-		for (int i = 0; i < count; i++) {
-			CheckedTextView child = (CheckedTextView) lv.getChildAt(i);
-			String title = child.getText().toString();
-			Log.d("isDownloaded", "title: " + title);
-			String path = manager.getPath(title);
-			child.setChecked(checkPath(path));
-
-		}
+		} else
+			Toast.makeText(getApplicationContext(), R.string.inet_needed,
+					Toast.LENGTH_LONG).show();
 
 	}
 
-	public boolean checkPath(String path) {
-		Log.d("FILE", "checking path " + path);
+	// checks if the ttt file (title.ttt) is in the correspondig directory
+	public boolean checkPath(String path, String title) {
 
-		File file = new File(path);
+		File file = new File(path + "/" + title + ".ttt");
+		Log.d("Path check", path + "/" + title + ".ttt");
 
 		return file.exists();
 
@@ -278,37 +292,51 @@ public class FeedDetailActivity extends Activity implements
 			return false;
 		}
 
+		myVib.vibrate(50);
 		// confirm delete
 		DialogInterface.OnClickListener listener = new DialogInterface.OnClickListener() {
 
 			@Override
 			public void onClick(DialogInterface dialog, int id) {
 
-				// delete feed from list, refresh feed list
+				Toast deletedToast = Toast.makeText(FeedDetailActivity.this,
+						R.string.deleted, Toast.LENGTH_SHORT);
+
+				Toast foundToast = Toast.makeText(FeedDetailActivity.this,
+						R.string.not_found, Toast.LENGTH_SHORT);
+
 				Cursor c = (Cursor) av.getAdapter().getItem(position);
-				// int _id = c.getInt(c
-				// .getColumnIndex(FeedItemDbManager.COLUMN_ID));
+
 				String path = c.getString(c
 						.getColumnIndex(FeedItemDbManager.COLUMN_PATH));
 				String title = c.getString(c
 						.getColumnIndex(FeedItemDbManager.COLUMN_TITLE));
 
-				File dir = new File(path);
-
+				// delete File from devices
+				File dir = null;
+				if (path != null)
+					dir = new File(path);
+				else {
+					foundToast.show();
+					return;
+				}
 				try {
-					FileUtils.deleteDirectory(dir);
-					Toast.makeText(FeedDetailActivity.this, "File was deleted",
-							Toast.LENGTH_LONG).show();
+					if (dir.exists()) {
+						FileUtils.deleteDirectory(dir);
+						deletedToast.show();
+					} else {
+						foundToast.show();
+						return;
+					}
 				} catch (IOException e) {
-					Toast.makeText(FeedDetailActivity.this, "File not found",
-							Toast.LENGTH_LONG).show();
+					foundToast.show();
 				}
 
 				FeedItemDbManager fm = new FeedItemDbManager(av.getContext());
 
-				// fm.deleteFromDb(_id);
+				// refresh feed item list
 				fm.updatePath(title, path, false);
-				adapter.changeCursor(fm.getAllFromDB());
+				adapter.changeCursor(fm.getAllFromDB(feedId));
 			}
 		};
 		AlertDialog.Builder builder = new AlertDialog.Builder(
@@ -317,7 +345,7 @@ public class FeedDetailActivity extends Activity implements
 		builder.setPositiveButton("delete", listener);
 		builder.setNegativeButton("cancel", null);
 		builder.show();
-		return false;
+		return true;
 	}
 
 	private boolean isNetworkAvailable() {
@@ -342,9 +370,14 @@ public class FeedDetailActivity extends Activity implements
 
 				progressDialog.setMessage(progress + "% donwloaded");
 
-				if (progress == 100) {
+			}
+
+			else if (resultCode == DownloadService.UNZIPPING) {
+				boolean unzipping = resultData.getBoolean("progress");
+				if (unzipping)
+					progressDialog.setMessage("unzipping file");
+				else
 					progressDialog.dismiss();
-				}
 			}
 		}
 	}

TTTCLient/src/tttclient/activities/PlayerActivity.java

@@ -116,7 +116,7 @@ public class PlayerActivity extends Activity implements MediaPlayerControl {
 			protected void onPostExecute(Void result) {
 
 				dialog.dismiss();
-				audioController.show();
+				audioController.show(5000);
 			}
 
 		};
@@ -130,7 +130,7 @@ public class PlayerActivity extends Activity implements MediaPlayerControl {
 
 		// update display if recording is not playing
 		// if (!recording.isPlaying())
-		recording.graphicsContext().updateCanvas();
+		recording.graphicsContext().updateView();
 
 	}
 
@@ -254,13 +254,13 @@ public class PlayerActivity extends Activity implements MediaPlayerControl {
 				switchLayout(1);
 				// switchSurface(1);
 				item.setIcon(getResources().getDrawable(
-						android.R.drawable.ic_input_delete));
+						R.drawable.ic_action_full_screen));
 				isExtendend = true;
 			} else if (isExtendend) {
 				switchLayout(0);
 				// switchSurface(0);
 				item.setIcon(getResources().getDrawable(
-						android.R.drawable.ic_input_add));
+						R.drawable.ic_action_return_from_full_screen));
 				isExtendend = false;
 
 			}
@@ -286,7 +286,8 @@ public class PlayerActivity extends Activity implements MediaPlayerControl {
 		if (index == 1) {
 			imgV = (ImageView) findViewById(R.id.playerView_extended);
 			recording.graphicsContext().setImageView(imgV);
-			recording.graphicsContext().refresh();
+
+			recording.graphicsContext().updateView();
 			switcher.setDisplayedChild(1);
 
 		}

TTTCLient/src/tttclient/messages/Message.java

@@ -78,48 +78,6 @@ public abstract class Message {
 	// /////////////////////////////////////////////////
 	abstract public void paint(GraphicsContext graphicsContext);
 
-	// /////////////////////////////////////////////////
-	// write message
-	// /////////////////////////////////////////////////
-
-	static final public int NO_TIMESTAMP = -1;
-	static final public int TIMESTAMP_OF_MESSAGE = -2;
-
-	// write message to TTT output stream
-	// abstract public void write(DataOutputStream out, int writeTimestamp)
-	// throws IOException;
-	//
-	// // helper method to write message header, because it's the same for all
-	// // messages
-	// final void writeHeader(DataOutputStream out, int writeTimestamp)
-	// throws IOException {
-	// switch (writeTimestamp) {
-	// case NO_TIMESTAMP:
-	// // size of message
-	// out.writeInt(getSize());
-	// // encoding without timestamp
-	// out.writeByte(getEncoding());
-	// break;
-	//
-	// case TIMESTAMP_OF_MESSAGE:
-	// // size of message
-	// out.writeInt(getSize() + 4);
-	// // encoding and timestamp
-	// out.writeByte(getEncoding() | Constants.EncodingFlagTimestamp);
-	// out.writeInt(getTimestamp());
-	// break;
-	//
-	// default:
-	// // size of message
-	// out.writeInt(getSize() + 4);
-	// // encoding and timestamp
-	// out.writeByte(getEncoding() | Constants.EncodingFlagTimestamp);
-	// out.writeInt(writeTimestamp);
-	//
-	// break;
-	// }
-	// }
-
 	// return size of message in bytes (if written to stream)
 	abstract public int getSize();
 

TTTCLient/src/tttclient/messages/WhiteboardMessage.java

@@ -51,6 +51,7 @@ public class WhiteboardMessage extends FramebufferUpdateMessage {
 	@Override
 	public void paint(GraphicsContext graphicsContext) {
 		graphicsContext.setWhiteboardPage(pageNumber);
+
 	}
 
 	public boolean isWhiteboardEnabled() {
@@ -70,14 +71,4 @@ public class WhiteboardMessage extends FramebufferUpdateMessage {
 				+ " at (" + x + "," + y + ")";
 	}
 
-	/*******************************************************************************************************************
-	 * write message
-	 ******************************************************************************************************************/
-
-	// return size of message in bytes (if written to stream)
-	@Override
-	public int getSize() {
-		return 2;
-	}
-
 }

TTTCLient/src/tttclient/messages/annotations/DeleteAnnotation.java

@@ -52,7 +52,7 @@ public class DeleteAnnotation extends Annotation {
 	@Override
 	public void paint(GraphicsContext graphicsContext) {
 		graphicsContext.removeAnnotationsAt(x, y);
-		graphicsContext.refresh();
+		graphicsContext.updateView();
 	}
 
 	@Override

TTTCLient/src/tttclient/models/FeedItemDbManager.java

 package tttclient.models;
 
+import java.io.File;
+import java.io.IOException;
 import java.util.ArrayList;
 
+import org.apache.commons.io.FileUtils;
+
 import tttclient.utils.DBManager;
 import android.content.Context;
 import android.database.Cursor;
@@ -34,7 +38,7 @@ public class FeedItemDbManager {
 		db.execSQL(TABLE_CREATE);
 	}
 
-	public Cursor getAllFromDB() {
+	public Cursor getAllFromDB(int feedid) {
 
 		// Log.d("SQL", "SELECT " + COLUMN_TITLE + ", " + COLUMN_ID +
 		// " as _id , "
@@ -43,8 +47,8 @@ public class FeedItemDbManager {
 		// + " FROM " + TABLE_FEEDITEMS + " ORDER BY " + COLUMN_PUBDATE);
 		return db
 				.rawQuery(
-						"SELECT title, id as _id , feedId, link, description, pubDate, path, status FROM feedItems ORDER BY pubDate",
-						null);
+						"SELECT title, id as _id , feedId, link, description, pubDate, path, status FROM feedItems WHERE feedId = ? ORDER BY title DESC",
+						new String[] { String.valueOf(feedid) });
 
 	}
 
@@ -81,7 +85,7 @@ public class FeedItemDbManager {
 
 	}
 
-	public void insertintoDB(ArrayList<FeedItem> itemList, String feedId)
+	public void insertintoDB(ArrayList<FeedItem> itemList, int feedId)
 			throws Exception {
 
 		for (FeedItem item : itemList) {
@@ -94,13 +98,15 @@ public class FeedItemDbManager {
 			// if
 			// so
 			if (!c.moveToNext()) {
-				db.execSQL("INSERT INTO " + TABLE_FEEDITEMS + " ("
-						+ COLUMN_TITLE + ", " + COLUMN_FEEDID + ", "
-						+ COLUMN_LINK + ", " + COLUMN_DESCRIPTION + ", "
-						+ COLUMN_PUBDATE + ", " + COLUMN_STATUS
-						+ ") VALUES ( ? , ? , ? , ? , ?," + 0 + " )",
-						new String[] { item.getTitle(), feedId, item.getLink(),
-								item.getDescription(), item.getPupDate() });
+				db.execSQL(
+						"INSERT INTO " + TABLE_FEEDITEMS + " (" + COLUMN_TITLE
+								+ ", " + COLUMN_FEEDID + ", " + COLUMN_LINK
+								+ ", " + COLUMN_DESCRIPTION + ", "
+								+ COLUMN_PUBDATE + ", " + COLUMN_STATUS
+								+ ") VALUES ( ? , ? , ? , ? , ?," + 0 + " )",
+						new String[] { item.getTitle(), String.valueOf(feedId),
+								item.getLink(), item.getDescription(),
+								item.getPupDate() });
 
 			}
 
@@ -117,6 +123,26 @@ public class FeedItemDbManager {
 	}
 
 	public void deleteFromDb(int feedId) {
+
+		// delete all folders belonging to a certain lecture
+		Cursor cursor = db.rawQuery(
+				"Select path from feedItems WHERE feedid = ?",
+				new String[] { String.valueOf(feedId) });
+		while (cursor.moveToNext()) {
+			String path = cursor.getString(cursor.getColumnIndex(COLUMN_PATH));
+			if (path != null) {
+				File dir = new File(path);
+				if (dir.exists())
+					try {
+						FileUtils.deleteDirectory(dir);
+					} catch (IOException e) {
+						// TODO Auto-generated catch block
+						e.printStackTrace();
+					}
+			}
+
+		}
+		// delete the entries from the feedItems table
 		db.execSQL("DELETE FROM feedItems WHERE feedId = ?",
 				new String[] { String.valueOf(feedId) });