// Here we handle our WatchKit activity handoff request. We'll take the dictionary passed in as part of the activity's userInfo property, and immediately
// present a payment sheet. If you're using handoff to allow WatchKit apps to request Apple Pay payments you try to display the payment sheet as soon as
// possible.
public override bool ContinueUserActivity(UIApplication application, NSUserActivity userActivity, UIApplicationRestorationHandler completionHandler)
{
// Create a new product detail view controller using the supplied product.
var rawDictionary = userActivity.UserInfo? ["product"] as NSDictionary;
if (rawDictionary != null)
{
var productContainer = new ProductContainer(rawDictionary);
Product product = productContainer.Product;
// Firstly, we'll create a product detail page. We can instantiate it from our storyboard...
var viewController = (ProductTableViewController)RootViewController?.Storyboard?.InstantiateViewController("ProductTableViewController");
// Manually set the product we want to display.
if (viewController != null)
{
viewController.Product = product;
// The rootViewController should be a navigation controller. Pop to it if needed.
RootViewController?.PopToRootViewController(false);
// Push the view controller onto our app, so it's the first thing the user sees.
RootViewController?.PushViewController(viewController, false);
// We also want to immediately show the payment sheet, so we'll trigger that too.
viewController.ApplyPayButtonClicked();
}
}
return(true);
}
void MakePaymentPressed ()
{
// We'll send the product as a dictionary, and convert it to a `Product`
// value in our app delegate.
var product = new ProductContainer {
Name = "Example Charge",
Description = "An example charge made by a WatchKit Extension",
Price = "14.99"
};
// Create our activity handoff type (registered in the iOS app's Info.plist).
var activityType = AppConfiguration.UserActivity.Payment;
// Use Handoff to route the wearer to the payment controller on phone
var userInfo = new NSDictionary ("product", product.Dictionary);
UpdateUserActivity (activityType, userInfo, null);
// Tell the user to use handoff to pay.
StatusLabel.SetText ("Use handoff to pay!");
}