Final code

Author: benjakuben

app/src/main/java/com/teamtreehouse/oslist/MainActivity.java

@@ -1,5 +1,6 @@
 package com.teamtreehouse.oslist;
 
+import android.content.res.Configuration;
 import android.os.Bundle;
 import android.support.v4.widget.DrawerLayout;
 import android.support.v7.app.ActionBarActivity;
@@ -78,6 +79,12 @@ protected void onPostCreate(Bundle savedInstanceState) {
         mDrawerToggle.syncState();
     }
 
+    @Override
+    public void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        mDrawerToggle.onConfigurationChanged(newConfig);
+    }
+
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         // Inflate the menu; this adds items to the action bar if it is present.