iOS after 7 add the microphone permission to the application, the code is as follows:
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Avaudiosession*Avsession=[AvaudiosessionSharedinstance];If([AvsessionRespondstoselector:@selector(Requestrecordpermission:)]){ [AvsessionRequestrecordpermission:^(BOOLAvailable){ If(Available){ Have microphone permissions }Else{ dispatch_async (dispatch_get_main_queue (), ^{ [[[ Uialertview alloc] initwithtitle:@ "unable to record" message:@ "please allow XX access to your microphone in the" settings-privacy-Microphone "option" delegate: Nil cancelbuttontitle:@ "OK" otherbuttontitles: nil show]; ); } }]; } /span>
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iphone detection headset Insert/unplug
Determine if the phone is currently using a built-in microphone (this method can be used to determine if the headset has a microphone)
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-(BOOL)Iscurrentusingbuildinmicrophone{ Nserror*Error=Nil; BOOLResult=YES; Result=[[AvaudiosessionSharedinstance]Setcategory:AvaudiosessioncategoryplayandrecordError&Error]; If(!Result){ NSLog(@"%@",Error); ReturnYES; } Result=[[AvaudiosessionSharedinstance]SetActive:YESError&Error]; If(!Result){ NSLog(@ "SetActive failed"); ReturnYES; } CfdictionaryrefArds; UInt32Size=sizeof(Cfdictionaryref); OsstatusOs=Audiosessiongetproperty(Kaudiosessionproperty_audioroutedescription,&Size,&Ards); If(Os==Kaudiosessionnoerror&&Ards&&Cfdictionarygetvalue(Ards,Kaudiosession_audioroutekey_inputs)){ Nsarray*Inputs=(__bridgeNsarray*)Cfdictionarygetvalue(Ards,Kaudiosession_audioroutekey_inputs); If(Inputs&&Inputs.Count>0){ For(Nsdictionary*DicInchInputs){ NSString*Type=Dic[(__bridgeNSString*)Kaudiosession_audioroutekey_type]; If([TypeIsequaltostring: (__bridge nsstring *) kaudiosessioninputroute_builtinmic) { return yes; } } } } else { //headset without Mic return yes; } return no; /span>
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iOS Headset action
