Ios 将SwiftUI视图返回到UIKit ViewController
在按下我的SwiftUI视图(通过HostingViewController显示)上的保存按钮后,希望返回到我的显示UIKit视图控制器。Ios 将SwiftUI视图返回到UIKit ViewController,ios,swiftui,uikit,Ios,Swiftui,Uikit,在按下我的SwiftUI视图(通过HostingViewController显示)上的保存按钮后,希望返回到我的显示UIKit视图控制器。 这是从我的UIKit VC导航到我的SwiftUI视图的方式。 let profileView = suiProfileView().environmentObject(suiProfileViewModel()) let profileVC = UIHostingController(rootView: profileView)
这是从我的UIKit VC导航到我的SwiftUI视图的方式。
let profileView = suiProfileView().environmentObject(suiProfileViewModel())
let profileVC = UIHostingController(rootView: profileView)
let navVC = UINavigationController(rootViewController: profileVC)
navVC.modalPresentationStyle = .fullScreen
SideMenuManager.default.leftMenuNavigationController?.present(navVC, animated: true , completion: nil)
class suiProfileViewModel: suiProfileViewModelProtocol {
//private var model: suiProfileFormProtocol
@Published var profile = suiProfileForm()
var viewDismissalModePublisher = PassthroughSubject<Bool, Never>()
private var shouldDismissView = false {
didSet {
viewDismissalModePublisher.send(shouldDismissView)
}
}
func businessLogicThatDeterminesIfShouldDismissView() {
//....
}
}
这是我的SwiftUI视图,我想在按下“保存”按钮后关闭该视图
import SwiftUI
import Combine
struct suiProfileView: View {
@SwiftUI.Environment(\.presentationMode) var presentationMode: Binding<PresentationMode>
@EnvironmentObject var profileViewModel: suiProfileViewModel
@State var suiTitleText = t("general.save")
var body: some View {
GeometryReader { geo in
VStack {
personalInfoSection
Spacer()
Button("Save", action: profileViewModel.saveProfile)
.frame(width: geo.size.width * 0.8, height: geo.size.height * 0.08, alignment: .center)
}
.onReceive(profileViewModel.viewDismissalModePublisher) { shouldDismiss in
if shouldDismiss {
self.presentationMode.wrappedValue.dismiss()
}
}
.frame(width: geo.size.width, height: geo.size.height, alignment: .center)
.padding()
}
}
}
导入快捷界面
进口联合收割机
结构配置文件视图:视图{
@环境(\.presentationMode)变量presentationMode:绑定
@EnvironmentObject变量profileViewModel:suiProfileViewModel
@State var suiteletext=t(“general.save”)
var body:一些观点{
GeometryReader{geo-in
VStack{
个人资讯组
垫片()
按钮(“保存”,操作:profileViewModel.saveProfile)
.框架(宽度:geo.size.width*0.8,高度:geo.size.height*0.08,对齐:。中心)
}
.onReceive(profileViewModel.ViewDismissalModelPublisher){shouldDismise in
如果该解雇{
self.presentationMode.wrappedValue.discouse()文件
}
}
.frame(宽度:geo.size.width,高度:geo.size.height,对齐:。中心)
.padding()
}
}
}
这是我的ProfileViewModel类,它在运行一些业务逻辑后使用Combine发布shouldDismissView变量。
let profileView = suiProfileView().environmentObject(suiProfileViewModel())
let profileVC = UIHostingController(rootView: profileView)
let navVC = UINavigationController(rootViewController: profileVC)
navVC.modalPresentationStyle = .fullScreen
SideMenuManager.default.leftMenuNavigationController?.present(navVC, animated: true , completion: nil)
class suiProfileViewModel: suiProfileViewModelProtocol {
//private var model: suiProfileFormProtocol
@Published var profile = suiProfileForm()
var viewDismissalModePublisher = PassthroughSubject<Bool, Never>()
private var shouldDismissView = false {
didSet {
viewDismissalModePublisher.send(shouldDismissView)
}
}
func businessLogicThatDeterminesIfShouldDismissView() {
//....
}
}
class suiProfileViewModel:suiProfileViewModelProtocol{
//私有var模型:suiProfileFormProtocol
@已发布的var profile=suiProfileForm()
var viewDismissalModePublisher=PassthroughSubject()
私有变量shouldDismissView=false{
迪塞特{
viewDismissalModePublisher.send(shouldDismissView)
}
}
func businessLogicThatDeterminesIfShouldDismissView(){
//....
}
}
出于某种原因,在我的SwiftUI视图中调用的
self.presentationMode.wrappedValue.Disclose()
并没有取消我的SwiftUI视图,也不允许我返回到最初显示它的UIKit视图控制器。任何帮助都将不胜感激。提前感谢我看到了几个问题:
suiProfileView
,但实际上,在您展示它之前,它被包装在UINavigationController
中
suiProfileView
在没有导航控制器的情况下显示,presentationMode
仍然无法使用它——我怀疑它只有在使用SwiftUI->SwiftUI时才能准确传递,并且无法通过UIHostingController进行通信
suiProfileView
,该闭包可以运行原始呈现视图控制器中的discouse
代码。下面是一个简化的示例:
import UIKit
import SwiftUI
class ViewController: UIViewController {
var presentedController : UINavigationController?
func dismissVC() {
presentedController?.dismiss(animated: true)
}
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
let swiftUIView = ContentView(dismiss: self.dismissVC)
let hostVC = UIHostingController(rootView: swiftUIView)
let navVC = UINavigationController(rootViewController: hostVC)
navVC.modalPresentationStyle = .fullScreen
self.present(navVC, animated: true , completion: nil)
self.presentedController = navVC
}
}
}
struct ContentView : View {
var dismiss : () -> Void
@Environment(\.presentationMode) private var presentationMode: Binding<PresentationMode>
var body: some View {
Button(action: {
dismiss()
//presentationMode.wrappedValue.dismiss() <-- doesn't function
}) {
Text("Close")
}
}
}
导入UIKit
导入快捷键
类ViewController:UIViewController{
var presentedController:UINavigationController?
func dismissVC(){
presentedController?退出(动画:true)
}
重写func viewDidLoad(){
super.viewDidLoad()
//加载视图后执行任何其他设置。
DispatchQueue.main.asyncAfter(截止日期:.now()+1){
让swiftUIView=ContentView(dismise:self.dismissVC)
让hostVC=UIHostingController(rootView:swiftUIView)
让navVC=UINavigationController(rootViewController:hostVC)
navVC.modalPresentationStyle=.fullScreen
self.present(navVC,动画:true,完成:nil)
self.presentedController=navVC
}
}
}
结构ContentView:View{
var DISCLISE:()->Void
@环境(\.presentationMode)私有变量presentationMode:绑定
var body:一些观点{
按钮(操作:{
解雇
//presentationMode.wrappedValue.disclose()我很高兴探索它,因为我不一定会预测到关于presentationMode