Ios 加载AVPlayer时获取错误线程1:EXC_错误访问(代码=EXC_I386_GPFLT)
当我选择collectionViewCell时,我正在尝试加载AVPlayer,以下是我在Ios 加载AVPlayer时获取错误线程1:EXC_错误访问(代码=EXC_I386_GPFLT),ios,swift,xcode,avplayer,appdelegate,Ios,Swift,Xcode,Avplayer,Appdelegate,当我选择collectionViewCell时,我正在尝试加载AVPlayer,以下是我在didSelectItem中的代码: func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) { if let item = items?[indexPath.item] { showPlayer(item: item) } } func s
didSelectItem
中的代码:
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
if let item = items?[indexPath.item] {
showPlayer(item: item)
}
}
func showPlayer(item: Item) {
let playerLauncher = PlayerLauncher()
playerLauncher.showVideoPlayer()
let playerView = PlayerView()
playerView.item = item
playerView.setupPlayerView()
}
这是我的PlayerLauncher文件:
class PlayerView: UIView {
var item: Item? {
didSet {
if let id = item?.itemId {
itemId = id
}
}
}
var itemId = String()
override init(frame: CGRect) {
super.init(frame: frame)
backgroundColor = UIColor(white: 0.3, alpha: 1)
}
var player: AVPlayer?
func setupPlayerView() {
let baseurl = "http://xample.com/play.m3u?id="
let urlString = "\(baseurl)\(itemId)"
print(urlString)
if let url = URL(string: urlString) {
player = AVPlayer(url: url)
let playerLayer = AVPlayerLayer(player: player)
self.layer.addSublayer(playerLayer)
playerLayer.frame = self.frame
let audioSession = AVAudioSession.sharedInstance()
do{
try audioSession.setCategory(AVAudioSessionCategoryPlayback)
} catch let err {
print(err)
return
}
player?.play()
player?.addObserver(self, forKeyPath: "currentItem.status", options: .new, context: nil)
}
}
}
class PlayerLauncher: NSObject {
func showVideoPlayer() {
print("Showing the player...")
if let keyWindow = UIApplication.shared.keyWindow {
let view = UIView(frame: keyWindow.frame)
view.backgroundColor = UIColor.white
view.frame = CGRect(x: keyWindow.frame.width - 10, y: keyWindow.frame.height - 10, width: 10, height: 10)
let playerFrame = CGRect(x: 0, y: 0, width: keyWindow.frame.width, height: keyWindow.frame.height)
let playerView = PlayerView(frame: playerFrame)
view.addSubview(playerView)
keyWindow.addSubview(view)
UIView.animate(withDuration: 0.5, delay: 0, usingSpringWithDamping: 1, initialSpringVelocity: 1, options: .curveEaseOut, animations: {
view.frame = keyWindow.frame
}, completion: { (completedAnimation) in
//later...
})
}
}
}
因此,每当我选择项目时,播放器开始加载,控制台打印URL(因为我在其中添加了打印语句),这就是它打印的内容:
http://xample.com/play.m3u?id=12345
(lldb)
然后它崩溃并在AppDelegate中显示线程1:EXC\u BAD\u访问(code=EXC\u I386\u GPFLT)
错误。我怎样才能修好它
谢谢
更新:
我稍微更改了didSelectItem
func。代码如下:
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
if let item = items?[indexPath.item] {
showPlayer(item: item)
}
}
func showPlayer(item: Item) {
let playerLauncher = PlayerLauncher()
playerLauncher.showPlayer(item: item)
}
我将PlayerView
中的init
方法更改为:
var item: Item? {
didSet {
if let id = item?.itemId {
itemId = id
}
}
}
init(frame: CGRect, item: Item) {
super.init(frame: frame)
self.item = item
setupPlayerView()
setupContainerView()
backgroundColor = UIColor(white: 0.3, alpha: 1)
}
以及播放机启动
中所需的更改:
let playerView = PlayerView(frame: playerFrame, item: item)
view.addSubview(playerView)
我在let playerView
行上加了一个分隔符,我可以看到传递到那里的项目Id。但是它没有传递到PlayerView
类中的urlString。因此,ID仍然是”
,,看起来是这样的
class PlayerLauncher: NSObject
无法参考
let playerView = PlayerView()
尝试定义函数范围之外的对象,以便函数可以更改它们,并在函数之外引用它们。我制作了一个指南,希望能说明您误解的地方 我向其他读者道歉,不使用减价文本格式,但请考虑这是我最原始的海报的尝试。在上一篇文章中,我们已经进行了充分的讨论 那么,你如何解决这个问题? 我想直接给你代码没有什么好处,请尝试根据这些信息修复代码
如果您还有更多问题,我会尽力帮助您:)我删除了
setupPlayer()
func,并在override init
中编写了AVPlayer代码。它现在不会崩溃,但是itemId
现在是空的,它什么也不播放。只需在initBro之后/期间将另一个变量传递给任何需要它的对象,您仍然会犯同样的错误。我不知道如何让你明白这一点。。。但我会再试一次。嘿!我终于修好了!谢谢你的帮助!:D