fixed nullpointer exception

src/de/danoeh/antennapod/activity/DownloadActivity.java

@@ -43,7 +43,8 @@ public class DownloadActivity extends SherlockListActivity implements
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
-		if (AppConfig.DEBUG) Log.d(TAG, "Creating Activity");
+		if (AppConfig.DEBUG)
+			Log.d(TAG, "Creating Activity");
 		requester = DownloadRequester.getInstance();
 		getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
@@ -61,14 +62,16 @@ public class DownloadActivity extends SherlockListActivity implements
 	@Override
 	protected void onResume() {
 		super.onResume();
-		if (AppConfig.DEBUG) Log.d(TAG, "Trying to bind service");
+		if (AppConfig.DEBUG)
+			Log.d(TAG, "Trying to bind service");
 		bindService(new Intent(this, DownloadService.class), mConnection, 0);
 	}
 
 	@Override
 	protected void onStop() {
 		super.onStop();
-		if (AppConfig.DEBUG) Log.d(TAG, "Stopping Activity");
+		if (AppConfig.DEBUG)
+			Log.d(TAG, "Stopping Activity");
 	}
 
 	@Override
@@ -162,7 +165,8 @@ public class DownloadActivity extends SherlockListActivity implements
 		public void onServiceConnected(ComponentName className, IBinder service) {
 			downloadService = ((DownloadService.LocalBinder) service)
 					.getService();
-			if (AppConfig.DEBUG) Log.d(TAG, "Connection to service established");
+			if (AppConfig.DEBUG)
+				Log.d(TAG, "Connection to service established");
 			dla = new DownloadlistAdapter(DownloadActivity.this, 0,
 					downloadService.getDownloadObserver().getStatusList());
 			setListAdapter(dla);
@@ -179,13 +183,28 @@ public class DownloadActivity extends SherlockListActivity implements
 
 	@Override
 	public void onProgressUpdate() {
-		dla.notifyDataSetChanged();
+		runOnUiThread(new Runnable() {
+
+			@Override
+			public void run() {
+				dla.notifyDataSetChanged();
+
+			}
+		});
 	}
 
 	@Override
 	public void onFinish() {
-		if (AppConfig.DEBUG) Log.d(TAG, "Observer has finished, clearing adapter");
+		if (AppConfig.DEBUG)
-		dla.clear();
+			Log.d(TAG, "Observer has finished, clearing adapter");
-		dla.notifyDataSetInvalidated();
+		runOnUiThread(new Runnable() {
+
+			@Override
+			public void run() {
+				dla.clear();
+				dla.notifyDataSetInvalidated();
+			}
+		});
+
 	}
 }

src/de/danoeh/antennapod/storage/DownloadRequester.java

@@ -57,16 +57,20 @@ public class DownloadRequester {// TODO handle externalstorage missing
 	private long download(Context context, FeedFile item, File dest) {
 		if (!isDownloadingFile(item)) {
 			if (dest.exists()) {
-				if (AppConfig.DEBUG) Log.d(TAG, "File already exists. Deleting !");
+				if (AppConfig.DEBUG)
+					Log.d(TAG, "File already exists. Deleting !");
 				dest.delete();
 			}
-			if (AppConfig.DEBUG) Log.d(TAG, "Requesting download of url " + item.getDownload_url());
+			if (AppConfig.DEBUG)
+				Log.d(TAG,
+						"Requesting download of url " + item.getDownload_url());
 			downloads.add(item);
 			item.setDownload_url(URLChecker.prepareURL(item.getDownload_url()));
 			DownloadManager.Request request = new DownloadManager.Request(
 					Uri.parse(item.getDownload_url())).setDestinationUri(Uri
 					.fromFile(dest));
-			if (AppConfig.DEBUG) Log.d(TAG, "Version is " + currentApi);
+			if (AppConfig.DEBUG)
+				Log.d(TAG, "Version is " + currentApi);
 			if (currentApi >= 11) {
 				request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_HIDDEN);
 			} else {
@@ -85,7 +89,8 @@ public class DownloadRequester {// TODO handle externalstorage missing
 			context.sendBroadcast(new Intent(ACTION_DOWNLOAD_QUEUED));
 			return downloadId;
 		} else {
-			Log.e(TAG, "URL " + item.getDownload_url() + " is already being downloaded");
+			Log.e(TAG, "URL " + item.getDownload_url()
+					+ " is already being downloaded");
 			return 0;
 		}
 	}
@@ -115,7 +120,8 @@ public class DownloadRequester {// TODO handle externalstorage missing
 	 *            ID of the download to cancel
 	 * */
 	public void cancelDownload(final Context context, final long id) {
-		if (AppConfig.DEBUG) Log.d(TAG, "Cancelling download with id " + id);
+		if (AppConfig.DEBUG)
+			Log.d(TAG, "Cancelling download with id " + id);
 		DownloadManager dm = (DownloadManager) context
 				.getSystemService(Context.DOWNLOAD_SERVICE);
 		int removed = dm.remove(id);
@@ -132,7 +138,8 @@ public class DownloadRequester {// TODO handle externalstorage missing
 
 	/** Cancels all running downloads */
 	public void cancelAllDownloads(Context context) {
-		if (AppConfig.DEBUG) Log.d(TAG, "Cancelling all running downloads");
+		if (AppConfig.DEBUG)
+			Log.d(TAG, "Cancelling all running downloads");
 		DownloadManager dm = (DownloadManager) context
 				.getSystemService(Context.DOWNLOAD_SERVICE);
 		for (FeedFile f : downloads) {
@@ -173,11 +180,11 @@ public class DownloadRequester {// TODO handle externalstorage missing
 		}
 		return false;
 	}
-	
+
 	public boolean hasNoDownloads() {
 		return downloads.isEmpty();
 	}
-	
+
 	public FeedFile getDownloadAt(int index) {
 		return downloads.get(index);
 	}
@@ -235,9 +242,12 @@ public class DownloadRequester {// TODO handle externalstorage missing
 	private ServiceConnection mConnection = new ServiceConnection() {
 		public void onServiceConnected(ComponentName className, IBinder service) {
 			mService = ((DownloadService.LocalBinder) service).getService();
-			if (AppConfig.DEBUG) Log.d(TAG, "Connection to service established");
+			if (AppConfig.DEBUG)
+				Log.d(TAG, "Connection to service established");
 			mService.queryDownloads();
-			mContext.unbindService(mConnection);
+			if (mContext != null) {
+				mContext.unbindService(mConnection);
+			}
 		}
 
 		public void onServiceDisconnected(ComponentName className) {
@@ -250,9 +260,9 @@ public class DownloadRequester {// TODO handle externalstorage missing
 
 	/** Notifies the DownloadService to check if there are any Downloads left */
 	public void notifyDownloadService(Context context) {
+		mContext = context;
 		context.bindService(new Intent(context, DownloadService.class),
 				mConnection, Context.BIND_AUTO_CREATE);
-		mContext = context;
 		mIsBound = true;
 	}
 }

src/de/danoeh/antennapod/syndication/handler/TypeGetter.java

@@ -71,6 +71,9 @@ public class TypeGetter {
 		} catch (FileNotFoundException e) {
 			e.printStackTrace();
 			return null;
+		} catch (NullPointerException e) {
+			e.printStackTrace();
+			return null;
 		}
 		return reader;
 	}