//解决手机静音下音频播放问题
AVAudioSession *avSession = [AVAudioSession sharedInstance];
[avSession setCategory:AVAudioSessionCategoryPlayback error:nil];
[avSession setActive:YES error:nil];
//解决手机静音下音频播放问题
AVAudioSession *avSession = [AVAudioSession sharedInstance];
[avSession setCategory:AVAudioSessionCategoryPlayback error:nil];
[avSession setActive:YES error:nil];