Passing a URL between Pages with Xamarin Forms - xamarin.ios

Question

I have a MasterDetail UI set up. On the left is a ListView. The ListView is set up like this
public class MasterPageList
{
public string Text { get; set; }
public string Url { get; set; }
public override string ToString()
{
return Text;
}
}
var listOptions = new List<MasterPageList>
{
new MasterPageList{ Text = "Packt website", Url = "http://www.packt.com" },
new MasterPageList{ Text = "Farmtrack Live", Url = "http://www.farmapps.co.uk" },
new MasterPageList{ Text = "Henry Crunn", Url = "" }
};
// create the ListView - this is explained later in the book more fully in the What A Bind chapter
var listView = new ListView
{
ItemsSource = listOptions.ToArray()
};
// create the master page
Master = new ContentPage
{
Title = "Webviewer",
Content = new StackLayout
{
Children =
{
header, listView
}
}
};
The ItemSelected event fires off the recipient pages
void LaunchPage(object s, SelectedItemChangedEventArgs e)
{
var binding = e.SelectedItem as MasterPageList;
var displayPage = new Page();
if (string.IsNullOrEmpty(binding.Url))
{
displayPage = (Page)Activator.CreateInstance(typeof(WebviewGenerated));
}
else
{
displayPage.BindingContext = e.SelectedItem;
displayPage = (Page)Activator.CreateInstance(typeof(Webview));
}
Detail = new NavigationPage(displayPage);
IsPresented = false;
}
When either of the first two ListItems are selected, the receiving ContentPage is instantiated, but the BindingContext of the page is null. I've tried a number of other methods to obtain the URL from the sending page.
From what I can see from other examples, what I am doing is correct, but the results show otherwise.
Is there something else I need to be doing to pass the URL through to the web view page?

Answer 1

try the following:
var params = new Params {
url = "https://www.google.com",
querystring = ""
};
var secondPage = new SecondPage ();
secondPage.BindingContext = params;
await Navigation.PushAsync (secondPage);