protected void changeTheme() {
        currentTheme = getNextTheme(currentTheme);
        if (currentTheme != null) {
            currentTheme.setLooping(false);
            currentTheme.setOnCompletionListener(listener);
            currentTheme.setVolume(musicVolume.getPercent());
            currentTheme.play();
        }
    }
protected void changeTheme ( ) { currentTheme = getNextTheme ( currentTheme ) ; if ( currentTheme != null ) { currentTheme . setLooping ( false ) ; currentTheme . setOnCompletionListener ( listener ) ; currentTheme . setVolume ( musicVolume . getPercent ( ) ) ; currentTheme . play ( ) ; } }
Forces a change of current theme. Assumes a theme was already played - there are no smooth fade ins of any
kind.