Merge pull request #5870 from wordpress-mobile/issue/5867-reader-sear…

…ch-fragment-crash

Fix #5867: make sure the query passed to the search service is not null

WordPress/src/main/java/org/wordpress/android/ui/reader/services/ReaderSearchService.java

@@ -19,6 +19,7 @@
 import org.wordpress.android.ui.reader.ReaderEvents;
 import org.wordpress.android.ui.reader.utils.ReaderUtils;
 import org.wordpress.android.util.AppLog;
+import org.wordpress.android.util.StringUtils;
 import org.wordpress.android.util.UrlUtils;
 
 import de.greenrobot.event.EventBus;
@@ -69,7 +70,7 @@ public int onStartCommand(Intent intent, int flags, int startId) {
             return START_NOT_STICKY;
         }
 
-        String query = intent.getStringExtra(ARG_QUERY);
+        String query = StringUtils.notNullStr(intent.getStringExtra(ARG_QUERY));
         int offset = intent.getIntExtra(ARG_OFFSET, 0);
         startSearch(query, offset);