Use AppCompat instead of ActionBar
diff --git a/app/src/main/java/org/apache/taverna/mobile/activities/RunResult.java b/app/src/main/java/org/apache/taverna/mobile/activities/RunResult.java
index df91731..c6caf60 100644
--- a/app/src/main/java/org/apache/taverna/mobile/activities/RunResult.java
+++ b/app/src/main/java/org/apache/taverna/mobile/activities/RunResult.java
@@ -4,11 +4,11 @@
 import org.apache.taverna.mobile.fragments.workflowdetails.RunFragment;
 
 import android.os.Bundle;
-import android.support.v7.app.ActionBarActivity;
+import android.support.v7.app.AppCompatActivity;
 import android.view.Menu;
 import android.view.MenuItem;
 
-public class RunResult extends ActionBarActivity {
+public class RunResult extends AppCompatActivity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {