Check Apple’s documentation for Audio Sessions, https://developer.apple.com/library/ios/documentation/Audio/Conceptual/AudioSessionProgrammingGuide/Introduction/Introduction.html <https://developer.apple.com/library/ios/documentation/Audio/Conceptual/AudioSessionProgrammingGuide/Introduction/Introduction.html>
Perhaps it will help. David > On Apr 17, 2015, at 1:32 PM, Ron Wagner <r...@wagnertechnologies.com> wrote: > > > > I am receiving reports from users that the sound generated from our app isn’t > always coming out of the iPhone speaker, but will always come out of the ear > buds when they are plugged in. This is an intermittent problem, though when > the problem is presenting itself, it can remain for days. > > We are generating sound with two APIs: AVAudioPlayer and AVSpeechSynthesizer, > used in different parts of the app, not at the same time. I have remotely > logged for some users info that the APIs are in fact being called, and that > there are no errors being returned. > > The users also report that sound from other apps such as YouTube and other > sound affects apps, etc., play through the speakers fine when our app is > exhibiting this problem. > > I have done some testing and found that sound will play through the earbuds > regardless of the position of the mute switch on the side of the phone above > the volume buttons, but will not play through the speaker (with the earbuds > unplugged) if the mute switch is in the muted position. I asked the users if > they might have had the mute switch in the muted position, and they state it > was not in the mute position, and cycling the mute switch on and off had no > affect. > > Seeing as how we have not implemented a “cone of silence” feature in our app, > I’m out of ideas of where to look and how to debug this problem. Since the > sound always plays through earbuds when plugged in, I can’t see how it would > be our code. > > Has anyone else experienced sound not working in one app, or have any ideas > of why sound would not play through the speaker? > > Thanks > Ron Wagner > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/rowlandd%40sbcglobal.net > > This email sent to rowla...@sbcglobal.net _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
