Images is not showing with the url

[veersr9]

Why images is not showing with the url ? It was showing before uninstall but after uninstall then reinstall it is now showing only indicator is moving.

`extension HomeVC: PhotoCollectionViewDataSource, PhotoCollectionViewDelegate {

func photoCollectionView(_ photoCollectionView: PhotoCollectionView, photoSource index: Int) -> PhotoSource {
    
    let mediatype = arrayMedia[index].mediaType
    if mediatype == 0 {
        let mediaurl = arrayMedia[index].mediaUrls
        let device = UIDevice.modelName
        for allsubimages in mediaurl {
            let url = (allsubimages as AnyObject).object(forKey: "url") as? String
            print(url)
            let size = (allsubimages as AnyObject).object(forKey: "size") as? String
            let _id = (allsubimages as AnyObject).object(forKey: "_id") as? String
            
            
            switch device {
            case "iPhone 4", "iPhone 4s", "iPhone 5", "iPhone 5s", "iPhone 5c", "iPhone SE", "Simulator iPhone 4", "Simulator iPhone 4s", "Simulator iPhone 5", "Simulator iPhone 5s", "Simulator iPhone 5c", "Simulator iPhone SE":
                if size == "40x40"
                {
                    imagesFromData = url
                    break
                }
                
                
            case "iPhone 6", "iPhone 6s", "iPhone 7", "iPhone 8", "Simulator iPhone 6", "Simulator iPhone 6s", "Simulator iPhone 7", "Simulator iPhone 8":
                if size == "75x75"
                {
                    imagesFromData = url
                    break
                }
                
            case "iPhone 6 Plus","iPhone 6s Plus","iPhone 7 Plus","iPhone 8 Plus","Simulator iPhone 6s Plus", "Simulator iPhone 7 Plus", "Simulator iPhone 6 Plus", "Simulator iPhone 8 Plus" :
                if size == "125x125"
                {
                    imagesFromData = url
                    break
                }
                
                
            case "iPhone X","iPhone XS","iPhone XS Max","iPhone XR", "Simulator iPhone XR", "Simulator iPhone XS Max", "Simulator iPhone XS", "Simulator iPhone X" :
                if size == "275x275"
                {
                    imagesFromData = url
                    break
                }
                
                
            default:
                break
            }
        }
    } else { // For Video URL
        
    }
    
    return .url(URL(string: imagesFromData!))
    
}

func numPhotos(in photoCollectionView: PhotoCollectionView) -> Int {
    return arrayMedia.count
}

}`