iOS Custom button isn't grayed out -


i've noticed custom buttons not grayed out when view appears; example actionsheet or popover. standard button (i.e.: info light) grayed out.

here see example. info light standard button , share custom button image.

enter image description here

the screen grayed out when actionsheet or popover comes up. notice difference between 2 buttons.

enter image description here

how can make custom button grayed out info button?

thanks!

ps: grayed out button doesn't correspond disabled state!


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