5 xcode ios firebase swift firebase-realtime-database
对于任何有此问题的人,但本文对此没有帮助,则可能会发现以下use-full:在这里。
这是错误的副本:
2018-08-29 18:39:59.458950-0400 proj [5319:3378682] NSURLConnection已完成,出现错误-代码-1002
我已经查看了这些答案,但没有发现任何有效的方法。我相信这是因为问题的发生是由于这些原因的另一个原因。从数据库中获取图像并尝试在图像视图中显示它们时出现问题。
完整代码如下:
import UIKit
import FirebaseStorage
import FirebaseDatabase
import FirebaseAuth
import Firebase
class PhaseOneViewController: UIViewController {
@IBOutlet weak var p1ImageView: UIImageView!
@IBAction func loadImages(_ sender: Any) {
//p1ImageView.image = nil
NKPlaceholderImage(image: UIImage(named: "placeholder"), imageView: p1ImageView, imgUrl: "\(Storage.storage().reference().child((Auth.auth().currentUser?.uid)!).child("post\(takePicViewController().finalPost + PhotoArray.sharedInstance.numberPost)").child(ImageUploadManager().imageName))") { (image) in }
}
func NKPlaceholderImage(image:UIImage?, imageView:UIImageView?,imgUrl:String,compate:@escaping (UIImage?) -> Void) {
if image != nil && imageView != nil {
imageView!.image = image!
}
var urlcatch = imgUrl.replacingOccurrences(of: "/", with: "#")
let documentpath = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
urlcatch = documentpath + "/" + "\(urlcatch)"
let image = UIImage(contentsOfFile:urlcatch)
if image != nil && imageView != nil
{
imageView!.image = image!
compate(image)
}else{
if let url = URL(string: imgUrl){
DispatchQueue.global(qos: .background).async {
() -> Void in
let imgdata = NSData(contentsOf: url)
DispatchQueue.main.async {
() -> Void in
imgdata?.write(toFile: urlcatch, atomically: true)
let image = UIImage(contentsOfFile:urlcatch)
compate(image)
if image != nil {
if imageView != nil {
imageView!.image = image!
}
}
}
}
}
}
}
}
Run Code Online (Sandbox Code Playgroud)
我还问了这些问题Link,Link,这可能对我所处的情况或解决此问题有帮助。
谢谢!
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