@@ -59,7 +59,7 @@ class ViewController: UIViewController {
5959 self . navigationItem. rightBarButtonItem = UIBarButtonItem ( customView: connectionIndicatorView)
6060 connectionIndicatorView. frame = CGRect ( origin: CGPoint ( ) , size: CGSize ( width: 20 , height: 20 ) )
6161
62- playPauseButton. setTitle ( " " , for: UIControl . State. normal) ;
62+ playPauseButton. setTitle ( " " , for: UIControl . State. normal)
6363 playPauseButton. setImage ( PlaybackButtonGraphics . playButtonImage ( ) , for: UIControl . State. normal)
6464 playPauseButton. setImage ( PlaybackButtonGraphics . playButtonImage ( ) , for: UIControl . State. highlighted)
6565
@@ -104,7 +104,7 @@ class ViewController: UIViewController {
104104
105105 if ( !enabled) {
106106 albumArtImageView. image = nil
107- updatePlayPauseButtonState ( true ) ;
107+ updatePlayPauseButtonState ( true )
108108 }
109109 }
110110
@@ -120,19 +120,19 @@ class ViewController: UIViewController {
120120
121121 private func updatePodcastSpeed( speed: SPTAppRemotePodcastPlaybackSpeed ) {
122122 currentPodcastSpeed = speed
123- podcastSpeedButton. setTitle ( String ( format: " %0.1fx " , speed. value. floatValue) , for: . normal) ;
123+ podcastSpeedButton. setTitle ( String ( format: " %0.1fx " , speed. value. floatValue) , for: . normal)
124124 }
125125
126126 // MARK: Player State
127127 private func updatePlayPauseButtonState( _ paused: Bool ) {
128128 let playPauseButtonImage = paused ? PlaybackButtonGraphics . playButtonImage ( ) : PlaybackButtonGraphics . pauseButtonImage ( )
129- playPauseButton. setImage ( playPauseButtonImage, for: UIControl . State ( ) )
129+ playPauseButton. setImage ( playPauseButtonImage, for: . normal )
130130 playPauseButton. setImage ( playPauseButtonImage, for: . highlighted)
131131 }
132132
133133 private func updatePlayerStateSubscriptionButtonState( ) {
134134 let playerStateSubscriptionButtonTitle = subscribedToPlayerState ? " Unsubscribe " : " Subscribe "
135- playerStateSubscriptionButton. setTitle ( playerStateSubscriptionButtonTitle, for: UIControl . State ( ) )
135+ playerStateSubscriptionButton. setTitle ( playerStateSubscriptionButtonTitle, for: . normal )
136136 }
137137
138138 // MARK: Capabilities
@@ -142,7 +142,7 @@ class ViewController: UIViewController {
142142
143143 private func updateCapabilitiesSubscriptionButtonState( ) {
144144 let capabilitiesSubscriptionButtonTitle = subscribedToCapabilities ? " Unsubscribe " : " Subscribe "
145- capabilitiesSubscriptionButton. setTitle ( capabilitiesSubscriptionButtonTitle, for: UIControl . State ( ) )
145+ capabilitiesSubscriptionButton. setTitle ( capabilitiesSubscriptionButtonTitle, for: . normal )
146146 }
147147
148148 // MARK: Shuffle
@@ -159,7 +159,7 @@ class ViewController: UIViewController {
159159 case . context: return " Context "
160160 default : return " Off "
161161 }
162- } ( )
162+ } ( )
163163 }
164164
165165 // MARK: Album Art
@@ -206,7 +206,7 @@ class ViewController: UIViewController {
206206 private func pausePlayback( ) {
207207 appRemote? . playerAPI? . pause ( defaultCallback)
208208 }
209-
209+
210210 private func playTrack( ) {
211211 appRemote? . playerAPI? . play ( trackIdentifier, callback: defaultCallback)
212212 }
@@ -357,9 +357,11 @@ class ViewController: UIViewController {
357357 // MARK: - IBActions
358358 @IBAction func didPressPlayPauseButton( _ sender: AnyObject ) {
359359 if appRemote? . isConnected == false {
360- if appRemote? . authorizeAndPlayURI ( playURI) == false {
361- // The Spotify app is not installed, present the user with an App Store page
362- showAppStoreInstall ( )
360+ appRemote? . authorizeAndPlayURI ( playURI) { success in
361+ if !success {
362+ // The Spotify app is not installed, present the user with an App Store page
363+ self . showAppStoreInstall ( )
364+ }
363365 }
364366 } else if playerState == nil || playerState!. isPaused {
365367 startPlayback ( )
@@ -430,9 +432,11 @@ class ViewController: UIViewController {
430432
431433 @IBAction func playRadioTapped( _ sender: Any ) {
432434 if appRemote? . isConnected == false && appRemote? . playerAPI != nil {
433- if appRemote? . authorizeAndPlayURI ( trackIdentifier, asRadio: true ) == false {
434- // The Spotify app is not installed, present the user with an App Store page
435- showAppStoreInstall ( )
435+ appRemote? . authorizeAndPlayURI ( trackIdentifier, asRadio: true ) { success in
436+ if !success {
437+ // The Spotify app is not installed, present the user with an App Store page
438+ self . showAppStoreInstall ( )
439+ }
436440 }
437441 } else {
438442 var trackUri = trackIdentifier
@@ -467,10 +471,10 @@ extension ViewController: SpeedPickerViewControllerDelegate {
467471
468472// MARK: - SPTAppRemotePlayerStateDelegate
469473extension ViewController : SPTAppRemotePlayerStateDelegate {
470- func playerStateDidChange( _ playerState: SPTAppRemotePlayerState ) {
471- self . playerState = playerState
472- updateViewWithPlayerState ( playerState)
473- }
474+ func playerStateDidChange( _ playerState: SPTAppRemotePlayerState ) {
475+ self . playerState = playerState
476+ updateViewWithPlayerState ( playerState)
477+ }
474478}
475479// MARK: - SPTAppRemoteUserAPIDelegate
476480extension ViewController : SPTAppRemoteUserAPIDelegate {
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