【发布时间】：2018-06-05 02:35:34
【问题描述】：
我在使用 Spotify SDK 时遇到了困难，我正确地遵循了每一步，但我无法在我的项目中使用我的高级帐户播放音乐。没有错误或崩溃，我的应用程序将我定向到 Spotify 登录页面，在 Facebook 登录后，它再次将我带回我的应用程序。昨天我会得到“登录”打印，但今天我不能。我正在尝试在登录后播放歌曲，也可以手动播放，如下所示。我想知道，我有幸找到答案吗？
override func viewDidLoad() {
super.viewDidLoad()
self.spotify()
NotificationCenter.default.addObserver(self, selector: #selector(GeneralNewsViewController.updateAfterFirstLogin), name: NSNotification.Name(rawValue: "SpotifySession"), object: nil)
}
func spotify() {
// insert redirect your url and client ID below
auth.redirectURL = URL(string: "correctCallbackURl")
auth.clientID = "correctClientID"
auth.requestedScopes = [SPTAuthStreamingScope, SPTAuthPlaylistReadPrivateScope, SPTAuthPlaylistModifyPublicScope, SPTAuthPlaylistModifyPrivateScope]
loginUrl = auth.spotifyWebAuthenticationURL()
}
func initializaPlayer(authSession:SPTSession){
if self.player == nil {
self.player = SPTAudioStreamingController.sharedInstance()
self.player!.playbackDelegate = self
self.player!.delegate = self
try! player?.start(withClientId: auth.clientID)
self.player!.login(withAccessToken: authSession.accessToken)
}
}
@objc func updateAfterFirstLogin () {
loginButton.isHidden = true
let userDefaults = UserDefaults.standard
if let sessionObj:AnyObject = userDefaults.object(forKey: "SpotifySession") as AnyObject? {
let sessionDataObj = sessionObj as! Data
let firstTimeSession = NSKeyedUnarchiver.unarchiveObject(with: sessionDataObj) as! SPTSession
self.session = firstTimeSession
initializaPlayer(authSession: session)
self.loginButton.isHidden = true
// self.loadingLabel.isHidden = false
}
}
func audioStreamingDidLogin(_ audioStreaming: SPTAudioStreamingController!) {
// after a user authenticates a session, the SPTAudioStreamingController is then initialized and this method called
print("logged in")
self.player?.playSpotifyURI("spotify:track:4aDLPXlzHZm26GppvRwms8", startingWith: 0, startingWithPosition: 0, callback: { (error) in
if (error != nil) {
print("playing!")
} else {
print(error?.localizedDescription)
}
})
}
@objc func play() {
player?.playSpotifyURI("spotify:track:4aDLPXlzHZm26GppvRwms8", startingWith: 0, startingWithPosition: 0, callback: { (err) in
if err != nil {
print(err?.localizedDescription)
} else {
}
})
}
class AppDelegate: UIResponder, UIApplicationDelegate ,UNUserNotificationCenterDelegate{
auth.redirectURL = URL(string: "correctCallbackURl")
auth.sessionUserDefaultsKey = "current session"}
func application(_ application: UIApplication, open url: URL, sourceApplication: String?, annotation: Any) -> Bool {
// 2- check if app can handle redirect URL
if auth.canHandle(auth.redirectURL) {
// 3 - handle callback in closure
auth.handleAuthCallback(withTriggeredAuthURL: url, callback: { (error, session) in
// 4- handle error
if error != nil {
print("error!")
}
// 5- Add session to User Defaults
let userDefaults = UserDefaults.standard
let sessionData = NSKeyedArchiver.archivedData(withRootObject: session!)
userDefaults.set(sessionData, forKey: "SpotifySession")
userDefaults.synchronize()
// 6 - Tell notification center login is successful
NotificationCenter.default.post(name: Notification.Name(rawValue: "loginSuccessfull"), object: nil)
})
return true
}
return false
}}
【问题讨论】：
标签： ios swift xcode spotify swift4