--- a/radioapp/radioenginewrapper/src/radioenginewrapperobserver.cpp	Fri Jun 04 10:21:36 2010 +0100
+++ b/radioapp/radioenginewrapper/src/radioenginewrapperobserver.cpp	Fri Jun 11 13:38:32 2010 +0300
@@ -51,6 +51,22 @@
 
 /*!
  *
+ */
+void RadioEngineWrapperObserver::increaseVolume()
+{
+    // Default implementation does nothing
+}
+
+/*!
+ *
+ */
+void RadioEngineWrapperObserver::decreaseVolume()
+{
+    // Default implementation does nothing
+}
+
+/*!
+ *
  * @param volume
  */
 void RadioEngineWrapperObserver::volumeChanged( int volume )