# On continued playback of background music

With iOS default behavior, music playing in background playback is automatically stopped when playing back a movie while playing background music.

By adding the following processing, background music can be continuously played even during movie playback.

# About designation method

Add the following processing.

• ObjectiveC

@import AVFoundation;

AVAudioSession *audioSession = [AVAudioSession sharedInstance];
[audioSession setCategory:AVAudioSessionCategoryAmbient error:nil];

• Swift

let audioSession: AVAudioSession = AVAudioSession.sharedInstance()
    if #available(iOS 10.0, *) {
        do {
            try audioSession.setCategory(.ambient, mode: .default)
        } catch {
        }
    } else {
        audioSession.perform(NSSelectorFromString("setCategory:error:"), with:AVAudioSession.Category.ambient)
    }