Fix crash when showing RSS item details in popup. Fixes #466.

app/src/main/java/org/transdroid/core/gui/rss/RssitemsFragment.java

@@ -17,8 +17,6 @@
 package org.transdroid.core.gui.rss;
 
 import android.app.AlertDialog;
-import android.app.Dialog;
-import android.app.DialogFragment;
 import android.app.Fragment;
 import android.app.SearchManager;
 import android.content.ClipData;
@@ -26,7 +24,6 @@ import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
-import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.text.TextUtils;
 import android.view.ActionMode;
@@ -48,7 +45,6 @@ import org.androidannotations.annotations.InstanceState;
 import org.androidannotations.annotations.ItemClick;
 import org.androidannotations.annotations.ViewById;
 import org.transdroid.R;
-import org.transdroid.core.app.settings.RssfeedSetting;
 import org.transdroid.core.gui.TorrentsActivity_;
 import org.transdroid.core.gui.navigation.NavigationHelper;
 import org.transdroid.core.gui.navigation.SelectionManagerMode;
@@ -149,12 +145,8 @@ public class RssitemsFragment extends Fragment {
 				final Item first = checked.get(0);
 				if (itemId == R.id.action_showdetails) {
 					// Show a dialog box with the RSS item description text
-					new DialogFragment() {
+					new AlertDialog.Builder(getActivity()).setMessage(first.getDescription())
-						public Dialog onCreateDialog(Bundle savedInstanceState) {
+							.setPositiveButton(R.string.action_close, null).show();
-							return new AlertDialog.Builder(getActivity()).setMessage(first.getDescription())
-									.setPositiveButton(R.string.action_close, null).create();
-						}
-					}.show(getFragmentManager(), "RssItemDescription");
 				} else if (itemId == R.id.action_openwebsite) {
 					// Open the browser to show the website contained in the item's link tag
 					Toast.makeText(getActivity(), getString(R.string.search_openingdetails, first.getTitle()), Toast.LENGTH_LONG).show();