Skip to content

Instantly share code, notes, and snippets.

@timothycosta
Created July 5, 2019 03:25
Show Gist options
  • Save timothycosta/0d8f64afeca0b6cc29665d87de0d94d2 to your computer and use it in GitHub Desktop.
Save timothycosta/0d8f64afeca0b6cc29665d87de0d94d2 to your computer and use it in GitHub Desktop.
UIScrollView wrapped for SwiftUI
//
// UIScrollViewWrapper.swift
// lingq-5
//
// Created by Timothy Costa on 2019/07/05.
// Copyright © 2019 timothycosta.com. All rights reserved.
//
import SwiftUI
struct UIScrollViewWrapper<Content: View>: UIViewControllerRepresentable {
var content: () -> Content
init(@ViewBuilder content: @escaping () -> Content) {
self.content = content
}
func makeUIViewController(context: Context) -> UIScrollViewViewController {
let vc = UIScrollViewViewController()
vc.hostingController.rootView = AnyView(self.content())
return vc
}
func updateUIViewController(_ viewController: UIScrollViewViewController, context: Context) {
viewController.hostingController.rootView = AnyView(self.content())
}
}
class UIScrollViewViewController: UIViewController {
lazy var scrollView: UIScrollView = {
let v = UIScrollView()
v.isPagingEnabled = true
return v
}()
var hostingController: UIHostingController<AnyView> = UIHostingController(rootView: AnyView(EmptyView()))
override func viewDidLoad() {
super.viewDidLoad()
self.view.addSubview(self.scrollView)
self.pinEdges(of: self.scrollView, to: self.view)
self.hostingController.willMove(toParent: self)
self.scrollView.addSubview(self.hostingController.view)
self.pinEdges(of: self.hostingController.view, to: self.scrollView)
self.hostingController.didMove(toParent: self)
}
func pinEdges(of viewA: UIView, to viewB: UIView) {
viewA.translatesAutoresizingMaskIntoConstraints = false
viewB.addConstraints([
viewA.leadingAnchor.constraint(equalTo: viewB.leadingAnchor),
viewA.trailingAnchor.constraint(equalTo: viewB.trailingAnchor),
viewA.topAnchor.constraint(equalTo: viewB.topAnchor),
viewA.bottomAnchor.constraint(equalTo: viewB.bottomAnchor),
])
}
}
@wilg
Copy link

wilg commented Apr 17, 2024

no, sorry

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment