Diagnose performance issues with the Xcode Organizer

Make routine tasks in App Store Connect a thing of the past when you automate your workflow with the App Store Connect API. Learn how you can manage more about your presence on the App Store with the App Metadata API, or use the new Power and Performance Metrics and Diagnostics API to access the same aggregate data that drives the Power and Performance analysis tools in Xcode. Whether you’re managing team members and provisioning profiles, adding or removing beta testers, or downloading your sales and financial reports, this comprehensive API makes automation of these processes a snap.

When you design with accessibility in mind, you empower everyone to use your app. Discover how to create an adaptive interface for your app that takes a thoughtful approach to color, provides readable text, and accommodates other visual settings to maintain a great experience throughout.

Learn how to build lists and sidebars in your app with UICollectionView. Replace table view appearance while taking advantage of the full flexibility of compositional layout. Explore modular layout options and find out how they can unlock more design options for your apps than ever before. Find out how to combine table view-like lists with custom compositional layouts inside of a single UICollectionView. Discover how to work with lists, create richer cells, and customize your layout to create a well-designed presentation of information within your app.

Discover new techniques for configuring collection view and table view cells to quickly build dynamic interfaces in your app. Explore configuration types you can use to easily populate cells with content and apply common styles. Take advantage of powerful APIs to customize the appearance of cells for different states. Find out about patterns and best practices that simplify your code, eliminate bugs, and improve performance.