我有一个从服务器下载到我的文档目录的音频文件 . 我试图在swift中使用AVPlayer同样播放,但有些原因无法这样做 . 以下是我的整个代码 . 如果我们用 onlineResource
替换 localAudioPath
就可以了
import UIKit
import AVFoundation
class AudioController: UIViewController {
var player : AVPlayer!
override func viewDidLoad() {
super.viewDidLoad()
}
@IBAction func playAudio(sender: AnyObject) {
var name = "bell.mp3"
var docs = NSSearchPathForDirectoriesInDomains(directory, .UserDomainMask, true)[0] as! String
var localAudioPath = docs.stringByAppendingPathComponent(name)
var onlineResource = "path/to/online/bell.mp3"
if NSFileManager.defaultManager().fileExistsAtPath(localAudioPath!) {
let playerItem = AVPlayerItem(URL: NSURL(string: localAudioPath!)!)
player = AVPlayer(playerItem: playerItem)
player.play()
} else {
/* Alamo fire code to download file to docs directory*/
let destination = Request.suggestedDownloadDestination(directory: .DocumentDirectory, domain: .UserDomainMask)
Alamofire.download(.GET, NSURL(string: audio.audioUrl)!.http, destination)
.progress { (bytesRead, totalBytesRead, totalBytesExpectedToRead) in
println(totalBytesRead)
}
.response { (request, response, _, error) in
println(response)
}
}
}
}
有人能告诉我是否有可能使用AVPlayer播放本地文件?
1 回答
你应该使用fileURLWithPath:提供正确的url,它应该播放本地url就好了 .