音效SystemSoundID

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音效的播放

1.获得音效文件的路径

NSURL *url = [[NSBundle mainBundle] URLForResource:@"m_03.wav" withExtension:nil];

2.加载音效文件，得到对应的音效ID

SystemSoundID soundID = 0;

AudioServicesCreateSystemSoundID((__bridge CFURLRef)(url), &soundID);

3.播放音效

AudioServicesPlaySystemSound(soundID);

- (void)playSound:(NSString *)soundName

{

SystemSoundID soundID;

NSURL* sample = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:soundName ofType:@"m4a"]];

OSStatus err = AudioServicesCreateSystemSoundID((__bridge CFURLRef)(sample), &soundID);

if (err)

{

NSLog(@"Error occurred assigning system sound!");

return;

}

AudioServicesAddSystemSoundCompletion(soundID, NULL, NULL, SoundFinished,(__bridge void *)(sample));

AudioServicesPlaySystemSound(soundID);

CFRunLoopRun();

}