Question 74950 in Flutter Question posted in
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How to know the Android Webview version or WkWebView version of the device on Flutter?

I am using webview_flutter package and I want to log the users’ device info for the system Webview version for Android and WkWebView for iOS how can I get the corresponding webview version?

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2

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  1. Chosen as BEST ANSWER
    0

    This package fk_user_agent can retrieve user agent which includes info about the web view version

    await FkUserAgent.init();
String? userAgent = FkUserAgent.webViewUserAgent;

  2. 0

    Did you try to get the WkWebView version from the user agent string by looking for the string "AppleWebKit/"?

    For example:

    import UIKit
import WebKit

let webView = WKWebView(frame: .zero)
let userAgent = webView.value(forKey: "applicationNameForUserAgent") as? String
var webViewVersion: String?

if let userAgent = userAgent, let range = userAgent.range(of: "AppleWebKit/") {
    let startIndex = range.upperBound
    webViewVersion = String(userAgent[startIndex...])
}

print("WkWebView version: (webViewVersion ?? "unknown")")
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