/// <summary>
/// navigate to as an asynchronous operation.
/// </summary>
/// <typeparam name="TView">The type of the t view.</typeparam>
/// <param name="options">The options.</param>
/// <returns>Task.</returns>
public async Task NavigateToAsync <TView>(INavigationOptions options = null)
where TView : class
{
var p = Resolver.Resolve <TView>() ?? DependencyService.Get <TView>();
if (p == null)
{
throw new ArgumentNullException(nameof(TView), "View/Page not registered in IOC framework");
}
await NavigateToAsync(p, options).ConfigureAwait(true);
}
public async Task NavigateToAsync <TView>(TView view, INavigationOptions options = null)
where TView : class
{
if (view == null)
{
throw new ArgumentNullException(nameof(view), "View/Page must be specified");
}
var p = view as Page;
if (options?.ViewModel != null && (p.BindingContext == null || !p.BindingContext.Equals(options?.ViewModel)))
{
p.BindingContext = options.ViewModel;
}
switch (options?.NavigationAction)
{
case NavigationActionTypes.PopCurrentBefore:
{
await PopAsync(options.Animated).ConfigureAwait(true);
}
break;
case NavigationActionTypes.PopToRootBefore:
await PopToRootAsync(options.Animated).ConfigureAwait(true);
break;
}
if (options?.DisableBackButton == true)
{
NavigationPage.SetHasBackButton(p, options.DisableBackButton);
}
if (options?.Modal == true)
{
await PushModalAsync(p, options?.Animated ?? true);
}
else
{
await PushAsync(p, options?.Animated ?? true);
}
}