我有一个使用Firebase作为后端的Swift应用程序。
它在所有模拟器和我自己的iOS设备上运行得非常好，但是当我将它提交给Apple进行审核时，当审阅者点击UIButton呈现包含我的UIAlertController时，它就会崩溃内容报告机制：
@IBAction func moreActions(_ sender: AnyObject) {
// 1
let optionMenu = UIAlertController(title: nil, message: "Choose Action", preferredStyle: .actionSheet)
// 2
let reportPost = UIAlertAction(title: "Report this post", style: .default, handler: {
(alert: UIAlertAction!) -> Void in
self.report()
})
// 3
let cancelAction = UIAlertAction(title: "Cancel", style: .cancel, handler: {
(alert: UIAlertAction!) -> Void in
print("Cancelled")
})
// 4
optionMenu.addAction(reportPost)
optionMenu.addAction(cancelAction)
self.present(optionMenu, animated: true, completion: nil)
}
func report() {
let messageView = MessageView.viewFromNib(layout: .CardView)
var config = SwiftMessages.Config()
config.dimMode = .gray(interactive: true)
messageView.configureTheme(.info)
messageView.button?.isHidden = true
messageView.configureContent(title: "Thank you", body: "We have received your report, and will soon make all necessary actions.")
SwiftMessages.show(config: config, view: messageView)
ref = FIRDatabase.database().reference()
ref.child("reportedPost").observeSingleEvent(of: .value, with: {(snapshot) in
if snapshot.hasChild(self.passedPurchaseKey) {
print("this post has been reported before")
let targetKey = self.passedPurchaseKey
let value = snapshot.childSnapshot(forPath: targetKey!).value as! Int
let newValue = value + 1
self.ref.child("reportedPost").updateChildValues([targetKey!: newValue])
}else{
print("this post has not been reported before")
let targetKey = self.passedPurchaseKey
self.ref.child("reportedPost").updateChildValues([targetKey!: 1])
}
})
}
审核人员建议崩溃可能是由于IPv6不兼容。我不能同意他们，因为上面的网络逻辑非常类似于我的其他应用程序，它没有导致任何崩溃。因此，我怀疑崩溃是由于其他原因造成的。
但我无法确定，因为我没有必要的硬件来在IPv6环境下测试我的应用程序。
提前感谢您的帮助！
//编辑1：添加了崩溃日志
