ios - AVAudioPlay模拟器可以播放录音，但是真机不行

Question

1. @property (strong, nonatomic) AVAudioPlayer *audioPlayer;

2. [session setCategory:AVAudioSessionCategoryPlayAndRecord withOptions:AVAudioSessionCategoryOptionDefaultToSpeaker error:&sessionError];

3. audioPlayerDidFinishPlaying:successfully: 可以进入，并且返回的flag是YES

4. 使用caf文件

5. 点击播放按钮时创建AVAudioPlayer对象

6. 耳机同样无声音

7. iOS10，Xcode8

求解，多谢！

Answer 1

The problem is solved, restore factory settings and reinstall the App