public static void OnViewAppearing(this IMvxElement element)
{
var cache = Mvx.Resolve <IMvxChildViewModelCache>();
var cached = cache.Get(element.FindAssociatedViewModelTypeOrNull());
element.OnViewCreate(() => cached ?? element.LoadViewModel());
}
private static void LoadViewModelForElement(IMvxElement element)
{
IMvxViewModel cached = null;
if (!MvxDesignTimeChecker.IsDesignTime)
{
var cache = Mvx.IoCProvider.Resolve <IMvxChildViewModelCache>();
cached = cache.Get(element.FindAssociatedViewModelTypeOrNull());
}
element.OnViewCreate(() => cached ?? element.LoadViewModel());
}
private static async ValueTask LoadViewModelForElementAsync(IMvxElement element)
{
IMvxViewModel?cached = null;
if (!MvxDesignTimeChecker.IsDesignTime)
{
var cache = Mvx.IoCProvider.Resolve <IMvxChildViewModelCache>();
cached = cache.Get(element.FindAssociatedViewModelTypeOrNull());
}
await element.OnViewCreate(async() =>
{
return(cached ?? await element.LoadViewModel().ConfigureAwait(false));
}
).ConfigureAwait(false);
}