MPVolumeView AirPlay button not showing up

Question

Using MPVolumeView I wanted to create an AirPlay output button for the app's audio.

MPVolumeView *volumeView = [ [MPVolumeView alloc] initWithFrame:CGRectMake(20, 20, 220, 20)];
    [volumeView setShowsVolumeSlider:NO];
    [volumeView setShowsRouteButton:YES];
    [volumeView sizeToFit];
    [self.view addSubview:volumeView];
    [volumeView release];

Errors / issues none but it doesn't show up, any ideas?
Thanks!

Answer 1

It may be that you're placing your VolumeView against a white background. The Airplay route button is white before it's used (i.e.: when it's not routing via AirPlay), so if you put the control against a white background, you won't see it but it'll respond to taps. Change the background to something like red, as above, and it shows.