You either want to put other applications in silent mode while you play audio or play audio on top of other applications’ audio playback (if any).
Use audio sessions to set the type of audio category your application uses.
was introduced in the AV Foundation framework. Every iOS application has one audio session.
This audio session can be accessed using the
sharedInstance class method of the
AVAudioSession class, like so:
AVAudioSession *audioSession = [AVAudioSession sharedInstance];
After retrieving an instance of the
AVAudioSession class, you can invoke the
instance method of the audio session object to choose among the
different categories available to iOS applications. Different values
that can be set as the audio session category of an application are
This category will not stop the audio from other
applications, but it will allow you
to play audio over the audio being played by other
applications, such as the Music
app. The main UI thread of your application will
function normally. The
play instance methods of
AVAudioPlayer will return with the
YES. The audio being played by your application will stop when the user locks the screen. The silent mode silences the audio playback of your application only if your application is the only application playing an audio file. If you start playing audio while the ...