我有一个图像(UIImage及其URL),并且试图将其作为CKAsset发送到CloudKit,但出现此错误:Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Non-file URL'
。这是代码:
override func viewDidLoad() {
super.viewDidLoad()
send2Cloud()
}
func send2Cloud() {
let newUser = CKRecord(recordType: "User")
let url = NSURL(string: self.photoURL)
let asset = CKAsset(fileURL: url!)
newUser["name"] = self.name
newUser["photo"] = asset
let publicData = CKContainer.defaultContainer().publicCloudDatabase
publicData.saveRecord(newUser, completionHandler: { (record: CKRecord?, error: NSError?) in
if error == nil {
dispatch_async(dispatch_get_main_queue(), { () -> Void in
print("User saved")
})
} else {
print(error?.localizedDescription)
}
})
}
我有网址,我可以打印它,将其复制并粘贴到导航器中,它将显示我的图像!所以,我不知道这里发生了什么...
如果使用UIImage而不是URL会更容易?因为,正如我之前所说,我两个都有!任何帮助,我们将不胜感激!谢谢你们!!
最佳答案
以我的经验,将上载UIImage
保存为CKAsset
的唯一方法是:
let data = UIImagePNGRepresentation(myImage); // UIImage -> NSData, see also UIImageJPEGRepresentation
let url = NSURL(fileURLWithPath: NSTemporaryDirectory()).URLByAppendingPathComponent(NSUUID().UUIDString+".dat")
do {
try data!.writeToURL(url, options: [])
} catch let e as NSError {
print("Error! \(e)");
return
}
newUser["photo"] = CKAsset(fileURL: url)
// ...
publicData.saveRecord(newUser, completionHandler: { (record: CKRecord?, error: NSError?) in
// Delete the temporary file
do { try NSFileManager.defaultManager().removeItemAtURL(url) }
catch let e { print("Error deleting temp file: \(e)") }
// ...
}
几个月前,我提交了一个错误报告,要求能够从内存中的
CKAsset
初始化NSData
,但尚未完成。关于ios - 如何正确地将图像作为CKAsset发送到CloudKit?,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/36969341/