检测iphone 是不是震动模式 并播放音频文件

检测iphone 是不是震动模式 并播放音频文件

                   if (![AVAudioSessionPortHeadsetMic isEqualToString:[[AVAudioSession sharedInstance] category]] && ![RecorderManager sharedManager].isRecording)                       {                           SystemSoundID soundToPlay;                            NSString *path  = [[NSBundle mainBundle] pathForResource:@"messagein" ofType:@"caf"];                            NSURL *pathURL = [NSURL fileURLWithPath : path];                            AudioServicesCreateSystemSoundID((__bridge CFURLRef) pathURL, &soundToPlay);                            //playback                            AudioServicesPlaySystemSound(soundToPlay);                        }else                        {                        AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);                                  }