Android Question Crash with WebViewAssetLoader + ShouldInterceptRequest (NullPointerException on exit)

WebView1.LoadUrl(WebViewAssetLoader1.InternalPathUrl & "/exp/" & exp)

WebViewAssetLoader1.Initialize(Application.PackageName)


WebViewEx.Initialize(WebView1)
WebViewClient.Initialize("WebViewClient")

WebViewEx.SetWebViewClient(WebViewClient)
WebViewEx.JavaScriptEnabled = True

Private Sub WebViewClient_PageFinished(Url As String)

    If Url.StartsWith(WebViewAssetLoader1.AssetPathUrl) Then
        ToastMessageShow("Page loaded from DirAsset", True)
    Else If Url.StartsWith(WebViewAssetLoader1.InternalPathUrl) Then
        ToastMessageShow("Page loaded from DirInternal", True)
    Else If Url.StartsWith(WebViewAssetLoader1.ResourcesPathUrl) Then
        ToastMessageShow("Page loaded from Resources", True)
    Else
        ToastMessageShow("Page loaded from internet", True)
    End If
End Sub

Private Sub WebViewClient_ShouldInterceptRequest(Url As String) As WebResourceResponse

    Log("URL: " & Url)
 
    Dim Response As WebResourceResponse
    Dim ResponseReceived As WebResourceResponse

    Try
        ResponseReceived = WebViewAssetLoader1.ShouldInterceptRequest(Url)
     
        If Not(ResponseReceived = Null) And ResponseReceived.IsInitialized Then
            Response.Initialize(ResponseReceived.GetMimeType, ResponseReceived.GetEncoding, ResponseReceived.GetData)
            Return Response
        End If
    Catch
        Log("URL not found: " & Url)
    End Try
 
    Return Null
End Sub