如何在后台播放音频文件？
如何在后台播放音频文件？
这是我的代码：
NSString *soundFilePath = [[NSBundle mainBundle] pathForResource:@"Alarm" ofType:@"caf"];
NSData *sampleData = [[NSData alloc] initWithContentsOfFile:soundFilePath];
NSError *audioError = nil;
alarmAudioPlayer = [[AVAudioPlayer alloc] initWithData:sampleData error:&audioError];
[sampleData release];
[[AVAudioSession sharedInstance] setCategory: AVAudioSessionCategoryPlayback error: nil];
if(audioError != nil) {
NSLog(@"An audio error occurred: \"%@\"", audioError);
}
else {
[alarmAudioPlayer setNumberOfLoops: -1];
[alarmAudioPlayer play];
}
}
但是当我执行多任务时它不会继续播放，但当我执行多任务返回应用程序时它会恢复。
注意：我知道这是一个旧问题的重复，但该答案对我不起作用。
How can I play an audio file in the background?
This is my code:
NSString *soundFilePath = [[NSBundle mainBundle] pathForResource:@"Alarm" ofType:@"caf"];
NSData *sampleData = [[NSData alloc] initWithContentsOfFile:soundFilePath];
NSError *audioError = nil;
alarmAudioPlayer = [[AVAudioPlayer alloc] initWithData:sampleData error:&audioError];
[sampleData release];
[[AVAudioSession sharedInstance] setCategory: AVAudioSessionCategoryPlayback error: nil];
if(audioError != nil) {
NSLog(@"An audio error occurred: \"%@\"", audioError);
}
else {
[alarmAudioPlayer setNumberOfLoops: -1];
[alarmAudioPlayer play];
}
}
But it doesn't continue playing when I multitask, but then resumes when I multitask back to the app.
Note: I know this is a duplicate of a old question but that answer didn't work for me.
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确保您已将应用程序设置为使用后台音频 API。在应用的
Info.plist中添加此条目：Make sure you have set your application to utilize the background audio API. Add this entry in your app's
Info.plist: