public override async void OnPageFinished(Android.Webkit.WebView view, string url)
{
try
{
_webView = view;
if (_extWebView != null)
{
view.Settings.JavaScriptEnabled = true;
await Task.Delay(100);
var result = await _extWebView.EvaluateJavaScriptAsync("(function(){return document.body.scrollHeight;})()");
if (int.TryParse(result, out var height))
{
_extWebView.HeightRequest = height + 30;
}
else
{
_extWebView.HeightRequest = view.ContentHeight;
}
view.EvaluateJavascript(_javascript, null);
}
base.OnPageFinished(view, url);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
private async Task OnInjectJavascript(string script)
{
valueCallback.ResetValue();
webView.EvaluateJavascript(script, valueCallback);
await Task.Run(() =>
{
while (valueCallback.Value == null)
{
}
});
}