This document describes the Accelerate framework, which contains C APIs for vector and matrix math, digital signal processing, large number handling, and image processing.

Quickly reproduce the dropdown UIPickerView / ActionSheet functionality from Safari on iPhone/ iOS / CocoaTouch.

In iOS and OS X, the Photos framework (formerly known as Assets Library framework) provides classes that support building photo editing extensions for the Photos app. In iOS, the Photos framework also provides direct access to the photo and video assets managed by the Photos app, including the iCloud Photo Library. Use this framework to retrieve assets for display and playback, edit their image or video content, or work with collections of assets such as albums, moments, and iCloud Shared Albums.

Encrypt/Decrypt: AES. Hash: MD5, SHA(SHA1, SHA224, SHA256, SHA384, SHA512). Encode/Decode: Base64, Hex.

The Image I/O programming interface framework allows applications to read and write most image file formats. This framework offers high efficiency, color management, and access to image metadata.

NSDictionary subclass for iOS/Mac OS that preserves insertion order.

Create, distribute, and update passes for the Wallet app. Request and process Apple Pay payments in your app. The PassKit framework lets you add and manage passes in the user’s Wallet app. The Wallet app allows users to organize their boarding passes, tickets, gift cards, and loyalty cards. Using the PassKit framework, you can add passes to Wallet and have these passes appear on the user’s lock screen based on the time and place when the pass is relevant. You can also update a pass’s content using push notifications. Additionally, Wallet manages the user’s credit cards for Apple Pay. The PassKit framework also supports in-app payments for physical goods and services using Apple Pay. For digital goods and services delivered within the app, see In-App Purchase Programming Guide instead.

Work with image and video assets managed by the Photos app, including those from iCloud Photo Library and Live Photos. Fetch and cache full-sized assets or thumbnails asynchronously, revise content, and sync revisions to multiple devices. In iOS and macOS, the Photos framework provides classes that support building photo editing extensions for the Photos app. In iOS and tvOS, the Photos framework also provides direct access to the photo and video assets managed by the Photos app, including the iCloud Photo Library. Use this framework to retrieve assets for display and playback, edit their image or video content, or work with collections of assets such as albums, moments, and iCloud Shared Albums.