SwiftUI Loading Circle

gistfile1.txt

// inspired by https://www.appcoda.com/swiftui-animation-basics-building-a-loading-indicator/

import SwiftUI

struct LoadingCircleView: View {
    @State private var isLoading = false
    
    var body: some View {
        ZStack {
            Circle()
                .stroke(Color(.lightGray), lineWidth: 20)
            Circle()
                .trim(from: 0, to: 0.2)
                .stroke(.tint, lineWidth: 10)
                .rotationEffect(Angle(degrees: isLoading ? 360 : 0))
                .animation(Animation.linear(duration: 1).repeatForever(autoreverses: false), value: self.isLoading)
                .onAppear() {
                    self.isLoading = true
                }
        }
        //.frame(width:100, height:100)
        .padding()
    }
}

struct LoadingView_Previews: PreviewProvider {
    static var previews: some View {
        LoadingCircleView()
    }
}