How can i use open in new tab in swift ?(WEBKIT) - swift

How can i use safari-open in new tab in my webkit app
I am creating a internet browser and i need that
Just like the photo
For example, I want to show the open in new tab option when I hold my finger on a link in Google
enter image description here
class ViewController: UIViewController, UITextFieldDelegate, WKNavigationDelegate {
#IBOutlet weak var backButton: UIButton!
#IBOutlet weak var forwardButton: UIButton!
#IBOutlet weak var webView: WKWebView!
#IBOutlet weak var urlTextField: UITextField!
override func viewDidLoad() {
super.viewDidLoad()
urlTextField.delegate = self
webView.navigationDelegate = self
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear( animated )
let urlString:String = "https://www.google.com"
let url:URL = URL(string: urlString)!
let urlRequest:URLRequest = URLRequest(url: url)
webView.load(urlRequest)
urlTextField.text = urlString
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
let urlString:String = urlTextField.text!
let url:URL = URL(string: urlString)!
let urlRequest:URLRequest = URLRequest(url: url)
webView.load(urlRequest)
textField.resignFirstResponder()
return true
}
#IBAction func backButtonTapped(_ sender: Any) {
if webView.canGoBack {
webView.goBack()
}
}
#IBAction func forwardButtonTapped(_ sender: Any) {
if webView.canGoForward {
webView.goForward()
}
}
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
backButton.isEnabled = webView.canGoBack
forwardButton.isEnabled = webView.canGoForward
urlTextField.text = webView.url?.absoluteString
}
}

Use this delegate method in bellow you last medhod :
func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: #escaping (WKNavigationActionPolicy) -> Void) {
if navigationAction.targetFrame == nil {
if let url = navigationAction.request.url {
let app = UIApplication.shared
if app.canOpenURL(url) {
app.open(url, options: [:], completionHandler: nil)
}
}
}
decisionHandler(.allow)
}
is It oky ?

Related

ios: How to reload webview from a Coordinator class SwiftUi

I am making an app that contains multiple web-view's. I am wanting to reload my web-view from the coordinator class after a JS command is sent from the webpage and inside the "func processReturnedJS(body: String)" shown below. I am wondering how I can achieve this in a simple way?
Thanks
SubscriptionViewController:
import SwiftUI
import WebKit
struct SubscriptionViewController: UIViewRepresentable {
#StateObject var storeManager: StoreManager
let frame = CGRect(x: 0, y: 0, width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height)
let config = WKWebViewConfiguration()
let cookies = HTTPCookieStorage.shared.cookies ?? []
func makeUIView(context: UIViewRepresentableContext<SubscriptionViewController>) -> WKWebView {
for cookie in cookies {
config.websiteDataStore.httpCookieStore.setCookie(cookie, completionHandler: nil)
}
let preferences = WKPreferences()
let configuration = WKWebViewConfiguration()
configuration.preferences = preferences
let userContentController = WKUserContentController()
userContentController.add(context.coordinator, name:"observer")
configuration.userContentController = userContentController
let view = WKWebView(frame: frame, configuration: configuration)
view.navigationDelegate = context.coordinator
DispatchQueue.main.async {
let url = URL(string:"theurl")!
let request = URLRequest(url: url)
for cookie in cookies {
config.websiteDataStore.httpCookieStore.setCookie(cookie, completionHandler: nil)
view.configuration.websiteDataStore.httpCookieStore.setCookie(cookie, completionHandler: nil)
}
view.load(request)
}
return view
}
func updateUIView(_ uiView: WKWebView, context: UIViewRepresentableContext<SubscriptionViewController>) {
}
func makeCoordinator() -> CoordinatorSubscription {
CoordinatorSubscription(self, storeManage: self.storeManager)
}
typealias UIViewType = WKWebView
}
class CoordinatorSubscription: NSObject, WKNavigationDelegate, WKScriptMessageHandler {
var control: SubscriptionViewController
var storeManage: StoreManager
init(_ control: SubscriptionViewController, storeManage: StoreManager) {
self.control = control
self.storeManage = storeManage
}
func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
processReturnedJS(body: message.body as! String)
}
func sendjs(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
}
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
}
func processReturnedJS(body: String) {
print("kkkk")
//want to reload webview from here
}
}
You can store a reference to the WKWebView in your coordinator:
class CoordinatorSubscription: NSObject, WKNavigationDelegate, WKScriptMessageHandler {
var control: SubscriptionViewController
var storeManage: StoreManager
var webView : WKWebView? //<-- Here
init(_ control: SubscriptionViewController, storeManage: StoreManager) {
self.control = control
self.storeManage = storeManage
}
func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
processReturnedJS(body: message.body as! String)
}
func sendjs(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
}
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
}
func processReturnedJS(body: String) {
self.webView?.reload() //here
}
}
Then, make sure to set that property in makeUIView:
func makeUIView(context: UIViewRepresentableContext<SubscriptionViewController>) -> WKWebView {
for cookie in cookies {
config.websiteDataStore.httpCookieStore.setCookie(cookie, completionHandler: nil)
}
let preferences = WKPreferences()
let configuration = WKWebViewConfiguration()
configuration.preferences = preferences
let userContentController = WKUserContentController()
userContentController.add(context.coordinator, name:"observer")
configuration.userContentController = userContentController
let view = WKWebView(frame: frame, configuration: configuration)
view.navigationDelegate = context.coordinator
DispatchQueue.main.async {
let url = URL(string:"theurl")!
let request = URLRequest(url: url)
for cookie in cookies {
config.websiteDataStore.httpCookieStore.setCookie(cookie, completionHandler: nil)
view.configuration.websiteDataStore.httpCookieStore.setCookie(cookie, completionHandler: nil)
}
view.load(request)
}
context.coordinator.webView = view //<-- Here
return view
}

Xcode Webview items not loading

I have a Xcode Project with a Webview and a TabBar and with the TabBar I can switch between WebViews. My Problem is that when I put something in my ShoppingCard under Lieferworld.de and switch with the TabBar to my Shopping Card url the Items in there are not Visible. How can I solve this? the ShoppingCard URL ends with .php. Below is the code which is implemented
I also uploaded a video on YouTube were I you can see the error
https://youtu.be/qU3Mu1G7MY0
Viewhome:
import UIKit
import WebKit
class viewHome: UIViewController, WKUIDelegate {
#IBOutlet var webViewHome: WKWebView!
override func loadView() {
let webConfiguration = WKWebViewConfiguration()
webViewHome = WKWebView(frame: .zero, configuration: webConfiguration)
webViewHome.uiDelegate = self
webViewHome.configuration.preferences.javaScriptEnabled = true
//webViewHome.configuration.preferences.javaEnabled = true
view = webViewHome
}
override func viewDidLoad() {
super.viewDidLoad()
let url = URL(string: "https://lieferworld.de")
let request = URLRequest(url: url!)
webViewHome.configuration.preferences.javaScriptEnabled = true
//webViewHome.configuration.preferences.javaEnabled = true
webViewHome.load(request)
}
#IBAction func GoBackHome(_ sender: Any) {
if webViewHome.canGoBack {
webViewHome.goBack()
}
}
#IBAction func GoForwardHome(_ sender: Any) {
if webViewHome.canGoForward {
webViewHome.goForward()
}
}
}
ViewShopping | Shopping Cart Class:
import UIKit
import WebKit
class viewShopping: UIViewController, WKUIDelegate {
#IBOutlet var webViewShopping: WKWebView!
override func loadView() {
let webConfiguration = WKWebViewConfiguration()
webViewShopping = WKWebView(frame: .zero, configuration: webConfiguration)
webViewShopping.uiDelegate = self
//webViewShopping.configuration.preferences.javaEnabled = true
webViewShopping.configuration.preferences.javaScriptEnabled = true
view = webViewShopping
}
override func viewDidLoad() {
super.viewDidLoad()
let url = URL(string: "https://lieferworld.de/warenkorb.php")
let request = URLRequest(url: url!)
webViewShopping.configuration.preferences.javaScriptEnabled = true
//webViewShopping.configuration.preferences.javaEnabled = true
webViewShopping.load(request)
}
#IBAction func goBackShoppingCart(_ sender: Any) {
if webViewShopping.canGoBack {
webViewShopping.goBack()
}
}
#IBAction func goForwardShoppingCart(_ sender: Any) {
if webViewShopping.canGoForward {
webViewShopping.goForward()
}
}
#IBAction func webViewRefresh(_ sender: Any) {
webViewShopping.reload()
}
}
WKNavigationDelegate has three delegates.
Here's an example;
func webView(_ webView: WKWebView, didFailProvisionalNavigation navigation: WKNavigation!, withError error: Error) {
print(error.localizedDescription)
}
func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
print("Start page load")
}
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!)
{
let title = webView.title
print("finish load. \(title).")
// you can do processing on the results here or trigger processing elsewhere
webView.evaluateJavaScript("document.documentElement.outerHTML.toString()",completionHandler:
{ (html: Any?, error: Error?) in
print(html as Any)
self.htmlSource = html as! String
NotificationCenter.default.post(name: NSNotification.Name(rawValue: "pageLoaded"), object: nil)
})
}

Grab loaded webpage URL? WKWebView macOS

func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
self.urlText.stringValue = String(describing: webView.url!)
}
This does not work 100% of the time.
An example would be when I navigate to reddit. I click a thread and it changes URL which is fine, but if I click the reddit home button, it doesn't change URL to www.reddit.com even after it is 100% loaded.
Any help is appreciated.
What else is going on in your view controller? I'm not able to reproduce your problem with the code below. Have you tried this in an isolated project?
import Cocoa
import WebKit
class ViewController: NSViewController {
#IBOutlet weak var webView: WKWebView!
#IBOutlet weak var urlLabel: NSTextField!
override func viewDidLoad() {
super.viewDidLoad()
let req = URLRequest(url:
URL(string: "https://reddit.com")!)
webView.load(req)
}
#IBAction func getUrlClicked(_ sender: Any) {
guard let url = webView.url else { return }
urlLabel.stringValue = url.absoluteString
print("url: \(String(describing: webView.url!))")
}
override var representedObject: Any? {
didSet {
// Update the view, if already loaded.
}
}
}

I'm trying to open external links from my app but it won't open

I have a wkwebview app, I need help with my code, I can't seems to open external links from my website inside my app.
import UIKit
import WebKit
import UserNotifications
class ViewController: UIViewController, WKUIDelegate, WKNavigationDelegate {
var webView: WKWebView!
var activityIndicator: UIActivityIndicatorView!
var bgImage: UIImageView!
var urlString = ""
override func loadView() {
super.loadView()
let webConfiguration = WKWebViewConfiguration()
webView = WKWebView(frame: .zero, configuration: webConfiguration)
webView.uiDelegate = self
webView.navigationDelegate = self
view = webView
}
func webView(_ webView: WKWebView, createWebViewWith configuration: WKWebViewConfiguration, for navigationAction: WKNavigationAction, windowFeatures: WKWindowFeatures) -> WKWebView? {
if navigationAction.targetFrame == nil {
let vc = ViewController()
vc.urlString = navigationAction.request.url?.absoluteString ?? "https://mywebsite"
vc.view.frame = UIScreen.main.bounds
vc.webView = WKWebView(frame: UIScreen.main.bounds, configuration: configuration)
navigationController?.pushViewController(vc, animated: false)
return vc.webView
}
return nil
}
override var prefersStatusBarHidden: Bool{
return true
}
override func viewDidLoad() {
super.viewDidLoad()
let image : UIImage = UIImage(named:"bgx1")!
bgImage = UIImageView(image: image)
bgImage.frame = CGRect(x: 0, y: 0, width: 1000, height: 2000)
view.addSubview(bgImage)
let myURL = URL(string: "https://mywebsite/")
let myRequest = URLRequest(url: myURL!)
webView.load(myRequest)
webView.allowsBackForwardNavigationGestures = true
activityIndicator = UIActivityIndicatorView()
activityIndicator.frame = CGRect(x: 0, y: 0, width: 50, height: 50)
self.activityIndicator.center = CGPoint(x:self.view.bounds.size.width/2.0,y: self.view.bounds.size.height/2.0);
activityIndicator.autoresizingMask = (UIView.AutoresizingMask(rawValue: UIView.AutoresizingMask.RawValue(UInt8(UIView.AutoresizingMask.flexibleRightMargin.rawValue) | UInt8(UIView.AutoresizingMask.flexibleLeftMargin.rawValue) | UInt8(UIView.AutoresizingMask.flexibleBottomMargin.rawValue) | UInt8(UIView.AutoresizingMask.flexibleTopMargin.rawValue))))
activityIndicator.hidesWhenStopped = true
activityIndicator.style = UIActivityIndicatorView.Style.whiteLarge
activityIndicator.color = UIColor.darkGray
self.view.addSubview(activityIndicator)
}
func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
activityIndicator.startAnimating()
bgImage.startAnimating()
}
func webView(_ webView: WKWebView, didFailProvisionalNavigation navigation: WKNavigation!, withError error: Error) {
print("It is an error")
activityIndicator.stopAnimating()
bgImage.stopAnimating()
let alert = UIAlertController(title: "Network Error", message: "You have no internet connection", preferredStyle: .alert)
let restartAction = UIAlertAction(title: "Reload page", style: .default, handler: { (UIAlertAction) in
self.viewDidLoad()
})
alert.addAction(restartAction)
present(alert, animated: true, completion: nil)
}
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
activityIndicator.stopAnimating()
bgImage.stopAnimating()
bgImage.isHidden = true
}
}
What am I doing wrong? Please help.
You have to implement the webView(_:decidePolicyFor:decisionHandler:) function of WKNavigationDelegate protocol in order to allow following the links in your web view.
Here is the documentation
please use this webview as I shown in image
code:-
#IBOutlet weak var webView: UIWebView!
override func viewDidLoad() {
super.viewDidLoad()
webView.delegate = self;
webView.loadRequest(URLRequest.init(url: URL(string: "https://mywebsite")!));
}
func webViewDidStartLoad(_ webView: UIWebView) {
SVProgressHUD.setDefaultMaskType(SVProgressHUDMaskType.custom)
SVProgressHUD.show();
}
func webViewDidFinishLoad(_ webView: UIWebView) {
SVProgressHUD.dismiss();
}

Open a link using the button and textfield

Can I open a link using the button and textfield on which the link is listed on another page within the app itself and not with Safari?
I'm using Swift 4
You have to open webview in destination view controller and send url string from first view controller to destination like below:
class ViewController: UIViewController {
#IBOutlet weak var textField: UITextField!
#IBAction func action(_ sender: Any) {
if let mainVC = storyboard?.instantiateViewController(withIdentifier: "second") as? DestinationViewController {
mainVC.urlStr = textField.text
self.navigationController?.pushViewController(mainVC, animated: true)
}
}
}
Destination View controller:
class DestinationViewController: UIViewController {
var urlStr: String?
override func viewDidLoad() {
super.viewDidLoad()
let webView = UIWebView(frame: self.view.frame)
self.view.addSubview(webView)
if let urlString = urlStr, let url = URL(string: urlString) {
webView.loadRequest(URLRequest(url: url))
}
}
}
Just Use WKWebView to open the link on Button action using this
Import WebKit
import WebKit
In your FirstViewController pass the URL while pushing to
SecondViewController
FirstViewController
if let secondVC = (UIStoryboard.init(name: "Main", bundle: nil)).instantiateViewController(withIdentifier: "secondVCID") {
secondVC.url = textFiled.text // OR send the URL you want to send
self.navigationController?.pushViewController(secondVC, animated: true)
}
In SecondViewController
Import Webkit
declare the delegate
class SecondViewController: UIViewController,WKNavigationDelegate {
declare the URL var so that u cab access it n FirstVC
var url: String?
#IBOutlet weak var webView: WKWebView!
In ViewDidLoad Of SecondVC
let webUrl = NSURL(string: url!)
let request = NSURLRequest(URL: webUrl)
// load request in webview.
webView.navigationDelegate = self
webView.loadRequest(request)
and Implement all delegate methods of WKWebview
//MARK:- WKNavigationDelegate
func webView(webView: WKWebView, didFailProvisionalNavigation navigation: WKNavigation!, withError error: NSError) {
print(error.localizedDescription)
}
func webView(webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
print("Strat to load")
}
func webView(webView: WKWebView, didFinishNavigation navigation: WKNavigation!) {
print("finish to load")
}