implemented homeAsUp button

src/de/podfetcher/activity/DownloadActivity.java

@@ -44,6 +44,7 @@ public class DownloadActivity extends SherlockListActivity implements
 		super.onCreate(savedInstanceState);
 		Log.d(TAG, "Creating Activity");
 		requester = DownloadRequester.getInstance();
+		getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
 	}
 
@@ -104,6 +105,9 @@ public class DownloadActivity extends SherlockListActivity implements
 	@Override
 	public boolean onOptionsItemSelected(MenuItem item) {
 		switch (item.getItemId()) {
+		case android.R.id.home:
+			finish();
+			break;
 		case MENU_SHOW_LOG:
 			startActivity(new Intent(this, DownloadLogActivity.class));
 			break;

src/de/podfetcher/activity/DownloadLogActivity.java

@@ -6,7 +6,6 @@ import com.actionbarsherlock.app.SherlockListActivity;
 import com.actionbarsherlock.view.Menu;
 import com.actionbarsherlock.view.MenuItem;
 
-import de.podfetcher.R;
 import de.podfetcher.adapter.DownloadLogAdapter;
 import de.podfetcher.feed.FeedManager;
 
@@ -16,20 +15,31 @@ public class DownloadLogActivity extends SherlockListActivity {
 	DownloadLogAdapter dla;
 	FeedManager manager;
 
-	
-	
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 		manager = FeedManager.getInstance();
 
 		dla = new DownloadLogAdapter(this, 0, manager.getDownloadLog());
+		getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 		setListAdapter(dla);
 	}
 
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+		return true;
+	}
 
-	
-	
-	
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch (item.getItemId()) {
+		case android.R.id.home:
+			finish();
+			break;
+		default:
+			return false;
+		}
+		return true;
+	}
 
 }

src/de/podfetcher/activity/MediaplayerActivity.java

@@ -40,6 +40,7 @@ import android.widget.ViewSwitcher;
 import com.actionbarsherlock.app.SherlockActivity;
 import com.actionbarsherlock.app.SherlockFragmentActivity;
 import com.actionbarsherlock.view.Menu;
+import com.actionbarsherlock.view.MenuItem;
 import com.actionbarsherlock.view.Window;
 import com.viewpagerindicator.TabPageIndicator;
 
@@ -124,8 +125,19 @@ public class MediaplayerActivity extends SherlockFragmentActivity implements
 
 	@Override
 	public boolean onCreateOptionsMenu(Menu menu) {
-		// TODO Auto-generated method stub
-		return super.onCreateOptionsMenu(menu);
+		return true;
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch (item.getItemId()) {
+		case android.R.id.home:
+			finish();
+			break;
+		default:
+			return false;
+		}
+		return true;
 	}
 
 	@Override
@@ -172,7 +184,7 @@ public class MediaplayerActivity extends SherlockFragmentActivity implements
 		orientation = getResources().getConfiguration().orientation;
 		manager = FeedManager.getInstance();
 		getWindow().setFormat(PixelFormat.TRANSPARENT);
-
+		getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 		bindToService();
 	}
 
@@ -665,8 +677,7 @@ public class MediaplayerActivity extends SherlockFragmentActivity implements
 		holderCreated = false;
 	}
 
-	public static class MediaPlayerPagerAdapter extends
-			FragmentPagerAdapter {
+	public static class MediaPlayerPagerAdapter extends FragmentPagerAdapter {
 		private int numItems;
 		private MediaplayerActivity activity;
 

src/de/podfetcher/activity/PreferenceActivity.java

@@ -3,6 +3,8 @@ package de.podfetcher.activity;
 import android.os.Bundle;
 
 import com.actionbarsherlock.app.SherlockPreferenceActivity;
+import com.actionbarsherlock.view.Menu;
+import com.actionbarsherlock.view.MenuItem;
 
 import de.podfetcher.R;
 
@@ -10,6 +12,25 @@ public class PreferenceActivity extends SherlockPreferenceActivity {
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
+		getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 		addPreferencesFromResource(R.xml.preferences);
 	}
+
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+		return true;
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch (item.getItemId()) {
+		case android.R.id.home:
+			finish();
+			break;
+		default:
+			return false;
+		}
+		return true;
+	}
+
 }