moflo / ImageStore

ImageStore is a light weight library that allows to fetch images from an URL and cache them for continuous use. It is designed to use with SwiftUI and Swift 5.1 and up.

ImageStore

ImageStore is a light weight library that allows to fetch images from an URL and cache them for continuous use. It is designed to use with SwiftUI and Swift 5.1 and up.

Instalation

Swift Package Manager

1. Copy the git URL
2. On Xcode, go to File -> Swift Packages -> Add Package Dependency
3. Paste the URL
4. Configure the desired versions

Usage

On the view you wish to load the image, add a @EnvironmentObject of type ImageStore On that same view add a method that will load the image, eg fetch() Have an Image object, referencing the ImageStore.image When the view is loaded, call the fetch() method and send the url you wish to load.

struct ViewThumbnail : View {
    var thumbnailUrl: String
    @EnvironmentObject var imageStore: ImageStore

    var body: some View {
        let screenSize = UIScreen.main.bounds
        return Image(uiImage: imageStore.image)
            .resizable()
            .aspectRatio(CGSize(width: 16, height: 9), contentMode: .fit)
            .frame(width: 100, height: 100)
            .clipped(antialiased: true)
            .onAppear(perform: fetch)
    }

    private func fetch() {
        imageStore.getImage(from: thumbnailUrl)
    }

}

Note

The package creates a folder where it store the images. after the initial load the images are stored in cache. Persistence is maintained for 30 days before a new request is needed. Requests are made automaticly.