swift - MPRemoteCommandCenter 不会出现在 iOS13 上
问题描述
我有一个显示 .m3u8 流的视频播放器。我尝试实现远程控制,但小部件并未同时出现在锁定屏幕、通知中心和命令中心中。
我只需要播放暂停、音量控制和一些静态信息作为标题、艺术家和艺术品。
这是我的代码:
AppDelegate.swift
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
// Override point for customization after application launch.
do {
try AVAudioSession.sharedInstance().setCategory(AVAudioSession.Category.playback)
try AVAudioSession.sharedInstance().setActive(true)
} catch {
print(error.localizedDescription)
}
return true
}
ViewController.swift
class ViewController: UIViewController {
var player = AVPlayer()
var playerViewcontroller = AVPlayerViewController()
var playerItem: AVPlayerItem!
var playerLayer = AVPlayerLayer()
@IBAction func playVideo(_ sender: Any) {
guard let url = URL(string: "https://video.m3u8") else {
return
}
// Create an AVPlayer, passing it the HTTP Live Streaming URL.
playerItem = AVPlayerItem(url: url)
playerItem.preferredForwardBufferDuration = 8
player = AVPlayer(playerItem: playerItem)
// Create a new AVPlayerViewController and pass it a reference to the player.
playerViewcontroller.player = player
playerViewcontroller.showsPlaybackControls = true
// Modally present the player and call the player's play() method when complete.
present(playerViewcontroller, animated: true) {
self.player.play()
}
setupNowPlaying()
}
override func viewDidLoad() {
//super.viewDidLoad()
}
public func disconnectAVPlayer() {
playerViewcontroller.player = nil
}
public func reconnectAVPlayer() {
playerViewcontroller.player = player
}
func setupNowPlaying() {
print("_________________________________setupPlaying")
// Define Now Playing Info
let nowPlayingInfoCenter = MPNowPlayingInfoCenter.default()
var nowPlayingInfo = nowPlayingInfoCenter.nowPlayingInfo ?? [String: Any]()
let title = "TV NAME"
let album = "TV DESCRIPTION"
let image = UIImage(named: "ICON") ?? UIImage()
let artwork = MPMediaItemArtwork(boundsSize: image.size, requestHandler: { (_) -> UIImage in
return image
})
nowPlayingInfo[MPMediaItemPropertyTitle] = title
nowPlayingInfo[MPMediaItemPropertyAlbumTitle] = album
nowPlayingInfo[MPMediaItemPropertyArtwork] = artwork
nowPlayingInfo[MPNowPlayingInfoPropertyPlaybackRate] = NSNumber(value: 1.0)
nowPlayingInfoCenter.nowPlayingInfo = nowPlayingInfo
}
}
希望信息足够。谢谢
解决方案
远程控制在 iOS 13 中运行良好,只是您没有先设置它。分配给您的 AVPlayer 后添加此代码
func commandCenterSetup() {
UIApplication.shared.beginReceivingRemoteControlEvents()
let commandCenter = MPRemoteCommandCenter.shared()
setupNowPlaying()
commandCenter.pauseCommand.addTarget { (event) -> MPRemoteCommandHandlerStatus in
print("PAUSE")
self.playerViewcontroller.player.pause()
return .success
}
commandCenter.playCommand.addTarget { (event) -> MPRemoteCommandHandlerStatus in
print("PLAY")
playerViewcontroller.player.play()
return .success
}
}
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