Close and open app and keep the last url visited in iOS webview-CodePudding

I wish to open app with the latest url viewd on a webview ios app. Tryied this inside viewdidload()

    var hasHistoryUrl = false
    WebView.evaluateJavaScript("window.location.href") {
        (result,error)->Void in if (result != nil){
            hasHistoryUrl=true
        }
    }
    
    if (hasHistoryUrl){
       // let url = URL(string: historyUrl)
    } else {
        let url = URL(string: "https://www.url.com/")
        let request = URLRequest(url: url!)
        loadReq(request: request);
    }

Not working on true device, on emulators allways opens with a clear cache.

CodePudding user response：

When you open your app, all variable initialise and your previous data will be gone. So you need to save latest visited url in userdefaults as string like-

let url: String = "abcd.com"
UserDefaults.standard.set(url, forKey: "MyUrl")

And fetch url from userdefaults when you open the app as -

if let urlString = UserDefaults.string(forKey: ""MyUrl"") {
    // Do stuff
}

In your code, insert it as-

    WebView.evaluateJavaScript("window.location.href") {
        (result,error)->Void in if (result != nil){
            UserDefaults.standard.set(yourURL, forKey: "MyUrl")
        }
    }
    
    if let urlString = UserDefaults.string(forKey: ""MyUrl"") {
        // Do stuff
    } else {
        let url = URL(string: "https://www.url.com/")
        let request = URLRequest(url: url!)
        loadReq(request: request);
    }