objective c - AudioSessionSetProperty (kAudioSessionProperty_OverrideCategoryMixWithOthers) deprecated -

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i used 

 uint32 dosetproperty = 0;     osstatus status1 = audiosessionsetproperty (kaudiosessionproperty_overridecategorymixwithothers, sizeof(dosetproperty), &dosetproperty);

i saw become deprecated , changed with: 

nserror *setcategoryerror = nil; if (![[avaudiosession sharedinstance] setcategory:avaudiosessioncategoryplayback               withoptions:avaudiosessioncategoryoptionmixwithothers                     error:&setcategoryerror]) {     // handle error }

after doing that, remotecontrolreceivedwithevent not called longer.

in both version did: 

success &= [[avaudiosession sharedinstance] setactive:yes error:&error];

did encounter kind of problem?

did import avfoundation?

#import <avfoundation/avfoundation.h>

and did forget set delegate?

[[avaudiosession sharedinstance] setdelegate:self]; [[avaudiosession sharedinstance] setactive: yes error: nil];

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