Post not yet marked as solved
Are there more developers noticing that metadata is not working on iOS 16 beta 1 and 2? Both possible solutions are not working:
observeValue for key "timedMetadata" and
AVPlayerItemMetadataOutputPushDelegate.
The code I produced works fine on iOS 16 in the simulator, but not on a real device (iPhone XR).
Post not yet marked as solved
When I stream a audio-stream from iOS to tvOS it works, but shows the black screen (mirrorring or video screen I think). What do I have to do to tell tvOS that it's audio and therefore it shows the title, artist and image in the left top corner?I use AVPlayer (this is my ViewDidLoad)://0. Become first responder
UIApplication.shared.becomeFirstResponder()
//1. Set up the session
radioAudioSession = AVAudioSession.sharedInstance()
NotificationCenter.default.addObserver(self, selector: #selector(AVAudioSessionInterruption(_:)), name: NSNotification.Name.AVAudioSessionInterruption, object: nil)
//2. Choose and set category
do {try radioAudioSession.setCategory(AVAudioSessionCategoryPlayback, mode: AVAudioSessionModeDefault, routeSharingPolicy: .longForm)}
catch {print("An Error occured setting catergory the audio session: \(error)")}
do {try radioAudioSession.setActive(true, with: [])}
catch {print("An Error occured activating the audio session: \(error)")}
//3. Set AVPlayer
radioAVPlayer = AVPlayer.init(playerItem: radioAVPlayerItem)
//4. Handle interruptions -> zie @objc func AVAudioSessionInterruption ...
radioAVPlayerItem.addObserver(self, forKeyPath: "timedMetadata", options: NSKeyValueObservingOptions(), context: nil)
radioAVPlayer.addObserver(self, forKeyPath: "rate", options: NSKeyValueObservingOptions(), context: nilThis is my update-function for NowPlayingInfo:func updateNowPlayingInfo (withRadiostation: [String], title: String?, artist: String?) {
//bij title en artist = nil dan is er geen songinformatie beschikbaar in de stream
let radioName = withRadiostation[0]
let radioSlogan = withRadiostation[1]
radioURL = URL.init(string: withRadiostation[2])
let radioImage = UIImage(named: withRadiostation[3])!
nowPlaying.text = radioName
let radioArtwork = MPMediaItemArtwork.init(boundsSize: radioImage.size, requestHandler: { (size) -> UIImage in
return radioImage})
if title == nil || artist == nil || (title?.isEmpty)! || (artist?.isEmpty)! {
//MPMediaItemPropertyAssetURL: radioURL!
audioInfo.nowPlayingInfo = [MPMediaItemPropertyTitle: radioName, MPMediaItemPropertyArtist: radioSlogan, MPNowPlayingInfoPropertyIsLiveStream: true, MPMediaItemPropertyMediaType: MPNowPlayingInfoMediaType.audio.rawValue, MPMediaItemPropertyArtwork: radioArtwork]
} else {
//MPMediaItemPropertyAssetURL: radioURL!
audioInfo.nowPlayingInfo = [MPMediaItemPropertyTitle: title as Any, MPMediaItemPropertyArtist: artist as Any, MPNowPlayingInfoPropertyIsLiveStream: true, MPMediaItemPropertyMediaType: MPNowPlayingInfoMediaType.audio.rawValue, MPMediaItemPropertyArtwork: radioArtwork]
}
}
I build an app for tvOS but somehow I'n not able to add a working target to a button within a collectionview.Who can help me out? I think it has something to do with adding a subview. All radioStationTiles are presented. I can browse from left to right and back but pussing one of the buttons wont work. I looks like I can select it. override func viewDidLoad() {
super.viewDidLoad()
collectionView.delegate = self
collectionView.dataSource = self
}public func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return radioStations.count
}
public func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "radioStation", for: indexPath) as! CollectionViewCell
let radioStation = radioStations[indexPath.row]
let radioStationName = radioStation[0]
let radioStationSlogan = radioStation[1]
let radioStationURL = radioStation[2]
let radioStationTegel = radioStation[3]
cell.radioButton.setBackgroundImage(UIImage(named: "tegelAchtergrondWhite (250x250).png"), for: UIControlState.normal)
cell.radioButton.setBackgroundImage(UIImage(named: "tegelAchtergrondBlue (250x250).png"), for: UIControlState.highlighted)
cell.radioButton.setBackgroundImage(UIImage(named: "tegelAchtergrondBlue (250x250).png"), for: UIControlState.focused)
cell.radioButton.setBackgroundImage(UIImage(named: "tegelAchtergrondBlack (250x250).png"), for: UIControlState.selected)
cell.radioButton.isEnabled = true
cell.radioButton.isUserInteractionEnabled = true
cell.radioButton.adjustsImageWhenHighlighted = true
cell.radioButton.setImage(UIImage(named: radioStationTegel), for: UIControlState.normal)
cell.radioButton.tag = indexPath.row
cell.radioButton.addTarget(cell.radioButton, action: #selector(selectRadiostation(sender:)), for: UIControlEvents.touchUpInside)
return cell
}
@objc func selectRadiostation(sender: UIButton)
{
/
print("play")
}
Somehow I'm not getting one aspect of xCode working on a mediaplayer.When timedMetadata is changed the func is executed. I works for audioInfo.nowPlayingInfo. But when I try to update a UILabel on the screen to set the title and artist an error occurs. Updating the UILabel after pressing a button (pushButton) works. Same code. Different results.override func observeValue(forKeyPath: String?, of: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
if forKeyPath != "timedMetadata" { return }
let data: AVPlayerItem = of as! AVPlayerItem
for item in data.timedMetadata! {
if item.commonKey!.rawValue == "title" {
if let title = item.stringValue, !title.isEmpty {
let splitArray = title.components(separatedBy: " - ")
artiest = splitArray[0]
titel = splitArray[1]
} else {
titel = "Delta Radio"
artiest = "Muziek zonder flauwekul!"
}
}
}
/
/
updateMetaData = true
audioInfo.nowPlayingInfo = [MPMediaItemPropertyTitle: titel, MPMediaItemPropertyArtist:artiest, MPMediaItemPropertyAssetURL: deltaRadioURL!];
updateTitleArtist()
}
@IBAction func pushButton(_ sender: Any) {
self.artiestLabel.text = titel + " / " + artiest
}
func updateTitleArtist() {
self.artiestLabel.text = titel + " / " + artiest
updateMetaData = false
}I searched and read about threads. Tried it, but it won't work. Read about programmacilly making a UILabel. Tried it, but it won't work.Who can help me out? I think I do not grasp some basic concept of xCode?
Patrick Koning.