-(void) playSound{
NSString *path = [[NSBundle mainBundle] pathForResource:@"in" ofType:@"caf"];
if (path) {
//注册声音到系统
AudioServicesCreateSystemSoundID((__bridge CFURLRef)[NSURL fileURLWithPath:path],&shake_sound_male_id);
AudioServicesPlaySystemSound(shake_sound_male_id);
//AudioServicesPlaySystemSound(shake_sound_male_id);//如果无法再下面播放,可以尝试在此播放
}
AudioServicesPlaySystemSound(shake_sound_male_id); //播放注册的声音,(此句代码,可以在本类中的任意位置调用,不限于本方法中)
//AudioServicesPlaySystemSound(kSystemSoundID_Vibrate); //让手机震动
}