ios - How do I make sure when I change to different views each is set as the First Responder? -


i have app uses tab bar controller 5 different tabs using 1 viewcontroller (uiviewcontroller). on primary viewcontroller there audio function play audio , when switch other views, no longer able use headset buttons make adjustments audio playback (play/stop). told need make each view act first responder can receive notification adjust audio playback. how do this?

i using 1 uiviewcontroller entire app, should setup different view controllers each tab of application instead?

i'm using xcode 4.6.4 ios sdk 6.1

thanks.


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