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我無法設置MPNowPlayingInfoCenter的currentTime和songLength。這裏是我的代碼:從AVAudioPlayer設置MPNowPlayingInfoCenter currentTime和songLength
func updateNowPlayingCenter (title: String, artist: String, albumArt: AnyObject, currentTime: NSNumber, songLength: NSNumber, PlaybackRate: Double){
var songInfo: Dictionary <NSObject, AnyObject> = [
MPMediaItemPropertyTitle as NSObject: title as AnyObject,
MPMediaItemPropertyArtist as NSObject: artist as AnyObject,
MPMediaItemPropertyArtwork as NSObject: ???,
MPNowPlayingInfoPropertyElapsedPlaybackTime as NSObject: currentTime,
MPMediaItemPropertyPlaybackDuration as NSObject: songLength,
MPNowPlayingInfoPropertyPlaybackRate as NSObject: PlaybackRate as AnyObject
]
MPNowPlayingInfoCenter.default().nowPlayingInfo = songInfo as [NSObject : AnyObject] as! [String : Any]
}
這裏的地方我將在viewWillAppear中的屬性:
updateNowPlayingCenter(title: titleText[thisSong], artist: authorText[thisSong], albumArt: ??? as AnyObject, currentTime: ???, songLength: ???, PlaybackRate: 1.0)
我試圖用audioPlayer.currentTime和audioPlayer.duration,但沒有奏效。我該怎麼做呢?此外,我無法弄清楚如何設置MPMediaItemPropertyArtwork的圖像。我的文件中有文件,圖像名稱等於titleText [thisSong]。如果你也可以幫助我,那太棒了!謝謝!