如果您播放音乐,您可以使用MPNowPlayingInfoCenter(适用于 iOS 5.0 及更高版本)在锁定屏幕上设置封面、标题和艺术家等内容。您的代码可能如下所示:
NSMutableDictionary *currentTrackData = [[NSMutableDictionary alloc] init];
[currentTrackData setObject:"Some text" forKey:MPMediaItemPropertyTitle];
MPMediaItemArtwork *mediaItemArtwork =[[MPMediaItemArtwork alloc] initWithImage:[UIImage imageNamed:@"your image path"]];
[currentTrackData setObject:mediaItemArtwork forKey:MPMediaItemPropertyArtwork];
[mediaItemArtwork release];
[MPNowPlayingInfoCenter defaultCenter].nowPlayingInfo = currentTrackData;
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不要忘记导入媒体播放器框架:
#import <MediaPlayer/MediaPlayer.h>
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