WebView for Xamarin Android in F#

main.axml

<?xml version="1.0" encoding="utf-8"?>
<WebView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/webview" />

MainActivity.fs

namespace App2

open System

open Android.App
open Android.Content
open Android.OS
open Android.Runtime
open Android.Views
open Android.Widget
open Android.Webkit

[<Activity (Label = "App2", MainLauncher = true)>]
type MainActivity () =
    inherit Activity ()

    let mutable webView: WebView = null

    override this.OnCreate (bundle) =

        base.OnCreate (bundle)

        // Set our view from the "main" layout resource
        this.SetContentView (Resource_Layout.Main)

        webView <- this.FindViewById<WebView>(Resource_Id.webview)
        webView.SetWebChromeClient(new WebChromeClient());
        webView.Settings.JavaScriptEnabled <- true
        webView.Settings.DomStorageEnabled <- true
        webView.Settings.AllowFileAccess <- true
        webView.Settings.AllowFileAccessFromFileURLs <- true
        webView.Settings.AllowUniversalAccessFromFileURLs <- true
        webView.Settings.JavaScriptEnabled <- true
        webView.Settings.SaveFormData <- false
        webView.LoadUrl "file:///android_asset/index.html"