public static bool Navigate <T>(this Page page, string address, UriKind uriKind, T model) where T : ViewModel
{
var guid = ViewModelContainer.Push(model);
var pageAddress = string.Format("{0}?modelId={1}", address, guid);
return(page.NavigationService.Navigate(new Uri(pageAddress, uriKind)));
}
/// <Docs>Bundle in which to place your saved state.</Docs>
/// <summary>
/// Raises the save instance state event and puts the ViewModel back into the container.
/// </summary>
/// <param name="outState">Out state.</param>
protected override void OnSaveInstanceState(Android.OS.Bundle outState)
{
var guid = ViewModelContainer.Push(this.Model);
outState.PutString(ModelId, guid.ToString());
base.OnSaveInstanceState(outState);
}
public static bool StartActivity <T, TModel>(this Context context, TModel model)
where TModel : ViewModel where T : ViewModelActivity <TModel>
{
var guid = ViewModelContainer.Push(model);
var intent = new Intent(context, typeof(T));
intent.PutExtra("modelId", guid.ToString());
if (!(context is Activity))
{
intent.AddFlags(ActivityFlags.NewTask);
}
context.StartActivity(intent);
return(true);
}
public override bool NavigateTo <T>(object sender, T model)
{
if (base.NavigateTo <T> (sender, model))
{
return(true);
}
Intent intent;
if (TryGetIntent(model, sender, out intent))
{
var guid = ViewModelContainer.Push(model);
intent.PutExtra("modelId", guid.ToString());
sender.StartActivity(intent);
return(true);
}
return(false);
}
