Simple

import SwiftUI
import ScalingHeaderScrollView



struct ContentView: View {
    
    
    @State private var progress:CGFloat = 0.0
    @State private var showNS = false
    
    var body: some View {
        NavigationView {
            ZStack {
                ScalingHeaderScrollView {
                    myHeader
                } content: {
                    myContent
                }
                .height(min: 150, max: 200)
                .collapseProgress($progress)
                .allowsHeaderCollapse()
                
                if showNS {
                    NextScreen()
                }
                
            }
            .navigationBarHidden(true)
        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}


extension ContentView {
    
    private var myContent: some View {
        ForEach(0..<50, id: \.self ) { index in
            
            NavigationLink {
                NextScreen()
            } label: {
                Text("Load \(index)")
                    .padding()
                    .frame(maxWidth: .infinity)
                    .background(.red)
                    .cornerRadius(15)
                    .padding(.horizontal)
                    .foregroundColor(.white)
                   
            }
        }
    }
    
    private var myHeader: some View {
        
        ZStack {
            Rectangle()
                .fill(.gray)
            Image(systemName: "trash.fill")
                .resizable()
                .scaledToFit()
                .frame(width: progress == 1 ? 50 : 100, alignment: .center)
//                .scaleEffect(y: 0.3 + (1 - progress) * 0.7)
//                .offset(x: progress == 1 ? -60 : 0)
//                .animation(.easeInOut, value: progress)
        }
        
    }
    
}

struct NextScreen: View {
    
    var body: some View {
        ZStack {
            Color.green
            Text("Hello")
        }
    }
    
}