Fixes #66 where transdroid would crash when clicking a search result that does not point to a .torrent url.

core/res/values/strings.xml

@@ -372,6 +372,7 @@
 	<string name="error_invalid_port_number">Port number is always numeric</string>
 	<string name="error_invalid_directory">Directory paths end with a / or \</string>
 	<string name="error_invalid_timeout">Timeout can not be empty and is a positive number</string>
+	<string name="error_notorrentfile">The search result does not link to a .torrent file</string>
 	<string name="error_no_url_enclosure">The RSS feed item didn\'t provide an URL enclosure or link tag pointing to the .torrent file</string>
 	<string name="error_no_link">The RSS feed item does not provide a link to browse to</string>
 	<string name="error_norssfeed">URL is not a (valid) RSS feed</string>

core/src/org/transdroid/core/gui/search/SearchResultsFragment.java

@@ -34,6 +34,7 @@ import org.transdroid.core.app.search.SearchResult;
 import org.transdroid.core.app.search.SearchSite;
 import org.transdroid.core.app.settings.SystemSettings_;
 import org.transdroid.core.gui.TorrentsActivity_;
+import org.transdroid.core.gui.navigation.NavigationHelper;
 import org.transdroid.core.gui.navigation.NavigationHelper_;
 import org.transdroid.core.gui.navigation.SelectionManagerMode;
 
@@ -51,6 +52,8 @@ import com.actionbarsherlock.view.MenuItem;
 import com.actionbarsherlock.view.SherlockListView;
 import com.actionbarsherlock.view.SherlockListView.MultiChoiceModeListenerCompat;
 
+import de.keyboardsurfer.android.widget.crouton.Crouton;
+
 /**
  * Fragment that lists the items in a specific RSS feed
  * @author Eric Kok
@@ -122,6 +125,10 @@ public class SearchResultsFragment extends SherlockFragment {
 
 	@ItemClick(resName = "searchresults_list")
 	protected void onItemClicked(SearchResult item) {
+		if (item.getTorrentUrl() == null) {
+			Crouton.showText(getActivity(), R.string.error_notorrentfile, NavigationHelper.CROUTON_ERROR_STYLE);
+			return;
+		}
 		// Don't broadcast this intent; we can safely assume this is intended for Transdroid only
 		Intent i = TorrentsActivity_.intent(getActivity()).get();
 		i.setData(Uri.parse(item.getTorrentUrl()));