我正在创建一个一次播放一种声音的音板应用程序。我希望 UIButton 能够在单击时停止播放所有其他声音并开始播放自己的声音。我设置了一个 AVAudioPlayer 来播放所有声音(单击时我更改了声音文件的 url,因为我一次只想要一个声音播放这不是问题)。我想知道如何停止所有其他声音并根据按下的按钮播放声音,但如果单击的按钮是当前正在播放声音的按钮,则该按钮只会停止声音。我知道这可以通过分离音频播放器并触发停止事件来实现,但我想避免复制和粘贴代码并尽可能保持效率,而且我只想要/需要一个音频播放器。这是我的代码:
- (IBAction)play {
if (audioPlayer.playing == NO) {
NSURL *url = [NSURL fileURLWithPath:[NSString stringWithFormat:@"%@/k.mp3", [[NSBundle mainBundle] resourcePath]]];
NSError *error;
[audioPlayer release];
audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:&error];
audioPlayer.numberOfLoops = 0;
AVAudioSession *audiosession = [AVAudioSession sharedInstance];
[audiosession setCategory:AVAudioSessionCategoryAmbient error:nil];
[audioPlayer play];
[start setTitle:@"Stop" forState:UIControlStateNormal];
}
else
if (audioPlayer.playing == YES) {
[audioPlayer stop];
[start setTitle:@"Start" forState:UIControlStateNormal];
}
}
- (IBAction)play2 {
if (audioPlayer.playing == NO) {
NSURL *url = [NSURL fileURLWithPath:[NSString stringWithFormat:@"%@/chicken.mp3", [[NSBundle mainBundle] resourcePath]]];
NSError *error;
[audioPlayer release];
audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:&error];
audioPlayer.numberOfLoops = 0;
AVAudioSession *audiosession = [AVAudioSession sharedInstance];
[audiosession setCategory:AVAudioSessionCategoryAmbient error:nil];
[audioPlayer play];
[start2 setTitle:@"Stop" forState:UIControlStateNormal];
} else
if (audioPlayer.playing == YES) {
[audioPlayer stop];
[start2 setTitle:@"Start" forState:UIControlStateNormal];
}
}
任何帮助表示赞赏。先感谢您!