Key features

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• •New physics-based animation effects provided by UIKit Dynamics
• •Making the most of Core Location, MapKit, and Geofencing
• •Leveraging Game Center features such as Leader Boards and Achievements
• •Giving users access to their address and media libraries from within your app
• •Using lightweight JSON to move data among servers, apps, and websites
• •Syncing apps via iCloud using UIDocument and key-value store syncing
• •Securing user data with Keychain
• •Informing users of important app-related events via Notifications
• •Storing and retrieving persistent data locally with Core Data
• •Using advanced Objective-C features to write more manageable, concise apps
• •Improving responsiveness through concurrency with Grand Central Dispatch
• •Advanced text handling and display with TextKit
• •Smoothly handling complex and continuous gestures
• •Effective debugging techniques with Xcode 5 and Instruments
• •Building passes for Passbook and PassKit