@Override
    public void blockForSaving() {
        //not needed
    }
From OpenWIG doku:
Shows a specified screen
<p>
The screen specified by screenId should be made visible.
If a dialog or an input is open, it must be closed before
showing the screen.
@param screenId the screen to be shown
@param details if screenId is DETAILSCREEN, details of this object will be displayed
main/src/main/java/cgeo/geocaching/wherigo/WherigoGame.java