Add option to lock orientation state

This new option will control if the screen orientation
lock option is displayed or not. If set, the orientation lock
is forced and the unlock option is hidden.

app/src/main/java/protect/card_locker/LoyaltyCardViewActivity.java

@@ -200,6 +200,12 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
     {
         getMenuInflater().inflate(R.menu.card_view_menu, menu);
 
+        if(settings.getLockBarcodeScreenOrientation())
+        {
+            MenuItem item = menu.findItem(R.id.action_lock_unlock);
+            setOrientatonLock(item, true);
+            item.setVisible(false);
+        }
 
         return super.onCreateOptionsMenu(menu);
     }