How to trigger iOS volume view when press physical volume key

Question

I'm working on iOS app which can play video. It's using avplayer but it doesn't show volume indicator view when user press physical volume key like below image. I think it's system indicator view. How could I force app to show this? Thanks for you help

Try this answer:http://stackoverflow.com/questions/24444376/hide-device-volume-hud-view-while-adjusitng-volume-with-mpvolumeview-slider — user523234, Jul 30 '15 at 07:19
I want to show the hud view and now I already add MPVolumeView and set showsRouteButton to yes and showsVolumeSlider to no. — RayChen, Jul 30 '15 at 07:53
That above link would do the exact opposite of what you want. To make it fit I would call sizeToFit as this link does: http://stackoverflow.com/questions/12236636/adding-mpvolumeview-programmatically-in-app — keji, Jul 30 '15 at 12:59

score 1 · Accepted Answer · edited May 23 '17 at 12:14

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The answer Hide device Volume HUD view while adjusitng volume with MPVolumeView slider is correct. I have one MPVolumeview in player view and size is zero. Remove it or give it a appropriate size will fix this

edited May 23 '17 at 12:14

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answered Aug 04 '15 at 07:14

RayChen

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How to trigger iOS volume view when press physical volume key

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