public async Task HttpSample(bool secure)
{
var client = new System.Net.Http.HttpClient();
viewController.HandlerType = typeof(HttpMessageInvoker).GetField("handler", BindingFlags.Instance | BindingFlags.NonPublic)?.GetValue(client).GetType();
viewController.RenderStream(await client.GetStreamAsync(secure ? "https://www.xamarin.com" : viewController.WisdomUrl));
}