Spotlight and Content Discovery

Comprehensive guide to CoreSpotlight for content indexing, NSUserActivity for handoff and search, and making your app's content discoverable in iOS 26.

Prerequisites

• iOS 9+ for CoreSpotlight (iOS 26 recommended)
• Xcode 26+

Overview

Two Indexing Approaches

1. CoreSpotlight - Index any content at any time (comprehensive)
2. NSUserActivity - Index content user actually views (usage-based)

When to Use Each