Formatting strings for creating predicates.
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The predicate’s format string.
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An NSString object containing the predicate pattern string for the predicate bindings. Use $value to refer to the value in the search field.
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Creates and returns a new predicate formed by creating a new string with a specified format and parsing the result.
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The predicate to use for matching records.
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A constant that identifies a predicate binding.
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The rule editor’s predicate.
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The matching criteria to apply to records.
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A closure that evaluates each received element.
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The closure that indicates whether to drop the element.
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The closure that determines whether publishing should continue.
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NSLocaleSensitivePredicateOption
Indicates that strings to be compared using <, <=, =, =>, > should be handled in a locale-aware fashion.
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Explains how to create, search, concatenate, and draw strings in Cocoa.
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Core Audio Format Specification
Specifies the Apple Core Audio Format (CAF) for audio files.
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Spotlight Importer Schema Format
Describes the role of metadata importers and how to write them.
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Specifies the Apple Core Audio Format (CAF) for audio files.
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Media Extension Format Reader- Glossary
This entitlement is intended for the development of Media Extension format readers for professional video and camera use cases.
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19:00
Meet the Apple Immersive Video format
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Overview of the Mach-O Executable Format
Guidelines for reducing the size of an application binary.
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Auto Layout Guide: Visual Format Language
Describes the constraint-based system for laying out user interface elements.
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18:10
Meet Apple Spatial Audio Format and APAC
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Adding Actions to the Context Menu
Present custom actions from your File Provider extension in the system’s file browser.
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Comparison of NSPredicate and Spotlight Query Strings
Describes how to specify queries in Cocoa.
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Learn about important changes to Foundation.
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Retrieving events and reminders
Fetch events and reminders from the Calendar database.
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Processing status for managed apps
Process the status that declarative management reports for managed apps.
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Standard data types and processes
Store fundamental types of data, and discover the key behaviors that make using those types easier.
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Executing Activity Summary Queries
Create and run activity summary queries.
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Create, run, and sort sample queries.
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Fetching, sorting, and filtering data
Previously, you learned how to create a SwiftData model context and add objects to it. In this article, you’ll learn how Article Accelerator fetches objects from a persistent store. And you’ll explore how to sort and filter the objects to list...
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Describes how to incorporate iCloud into your app.
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Describes how to specify queries in Cocoa.
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Creating the Managed Object Model
A hands-on guide to creating a command-line utility using low-level features of Core Data.
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Describes the keys for a bundle's Info.plist file.
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Avoiding Injection Attacks and XSS
Describes techniques to use and factors to consider to make your code more secure from attack.
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Managing the Life Cycle of a Document
Describes how to create an iOS application whose documents are integrated with iCloud storage.
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Describes how to create an iOS application whose documents are integrated with iCloud storage.
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File Metadata Query Expression Syntax
Describes how to add Spotlight searching to your applications.
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Explains how to create and manage files and directories.
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Searching File Metadata with NSMetadataQuery
Describes how to add Spotlight searching to your applications.
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Explains how to use the NSXML classes of Cocoa to process, modify, and query XML data.
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Explains how to use threads in Cocoa applications.
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Using Asset and Location Fields
Describes how to use APIs and tools to create a CloudKit app.
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Describes how to specify queries in Cocoa.
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19:08
SwiftData: Dive into inheritance and schema migration
Discover how to use class inheritance to model your data. Learn how to optimize queries and seamlessly migrate your app's data to use inheritance....
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25:13
Meet the HealthKit Medications API
Discover the new Medications API in HealthKit. Explore an example app that uses the new API, learn how to access medications and doses, and find out...
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13:52
Create a custom data store with SwiftData
Combine the power of SwiftData's expressive, declarative modeling API with your own persistence backend. Learn how to build a custom data store and...
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14:01
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14:20
Explore wellbeing APIs in HealthKit
Learn how to incorporate mental health and wellbeing into your app using HealthKit. There are new APIs for State of Mind, as well as for Depression...
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15:35
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29:05
High Efficiency Image File Format
Learn the essential details of the new High Efficiency Image File Format (HEIF) and discover which capabilities are used by Apple platforms. Gain...
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15:48