public static T GetViewModel <T>(this Page page) where T : ViewModel
{
Guid guid;
if (page.NavigationContext.QueryString.ContainsKey("modelId") &&
Guid.TryParse(page.NavigationContext.QueryString["modelId"], out guid))
{
return(ViewModelContainer.Pull(guid) as T);
}
return(null);
}
/// <summary>
/// Raises the create event and pulls the ViewModel from the container.
/// </summary>
/// <param name="savedInstanceState">Saved instance state.</param>
protected override void OnCreate(Android.OS.Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
this.Model = ViewModelContainer.Pull((savedInstanceState ?? this.Intent.Extras).GetString(ModelId)) as T;
var activityModel = this.Model as NavigatorViewModel;
if (activityModel != null)
{
activityModel.Presenter = this;
}
}
public static T GetViewModel <T>(this Activity activity) where T : ViewModel
{
return(ViewModelContainer.Pull(activity.Intent.Extras.GetString("modelId")) as T);
}
