AVAudioSessionCategoryPlayAndRecord with Airplay

Question

My app uses the microphone and outputs audio, so I am setting my Audio Session to the Play and Record Category, but this seems to disable Airplay. If I set the category to Play,

Answer 1

From the Audio Session Programming Guide › Working with Categories › Choosing Categories and Modes for AirPlay:

Only specific categories and modes support AirPlay. The following categories support both the mirrored and non-mirrored versions of Airplay:

• AVAudioSessionCategorySoloAmbient
• AVAudioSessionCategoryAmbient
• AVAudioSessionCategoryPlayback

The AVAudioSessionCategoryPlayAndRecord category only supports mirrored Airplay.