iphone - How to create a "return to app" status bar when app goes to the background? -


when app moves background while either playing audio or recording audio, provide the green "in call" status bar appears when in call , swap out app, giving quick "return app" capability.

i thought might private api, noticed griffin italk app when recording audio (see picture) - know can done, have not been able figure out api (the info.plist setting, avaudiosession, uiapplication/delegate or whatever) make magic happen. app working , recording audio in background , works fine, assume there bit somewhere i'm not setting behavior.

can either point me right docs or sample code exhibits behavior? (i've scoured audio docs , haven't been able find it).

thanks!

alt text

there may private api this, if want app store, thing register voip app, gets in-call status bar, skype or (i imagine) italk.


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