Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
iOS Programming Cookbook

You're reading from   iOS Programming Cookbook Over 50 exciting and powerful recipes to help you unearth the promise of iOS programming

Arrow left icon
Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781786460981
Length 520 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Toc

Table of Contents (16) Chapters Close

Preface 1. Swift Programming Language FREE CHAPTER 2. The Essentials 3. Integrating with Messages App 4. Working with Interface Builder 5. Working with UITableView 6. Animations and Graphics 7. Multimedia 8. Concurrency 9. Location Services 10. Security and Encryption 11. Networking 12. Persisting Data with Core Data 13. Notifications 14. App Search 15. Optimizing Performance

App indexing using NSUserActivity

The first technology of indexing for app indexing is working with NSUserActivity. This class helps you to index items when users perform activities in your app, such as opening specific screens or interacting with app content. Using this activity class will help a user to find the information that they need in search results and will improve your app's ranking. NSUserActivity is not intended to index an app's arbitrary data; it only indexes the user's activities. If you want to index app-specific data, you will need to use Core Spotlight APIs and that's what we will do in the next section:

In the following demo, we will build a simple wallet app where a user can track their expenses by entering the item name and price. Once the user enters a new item in the wallet, we will create a user activity so that the system can index...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image