UIKit Framework
The UIKit framework (UIKit.framework) provides crucial infrastructure for implementing graphical, event-driven apps in iOS, including the following:
- Basic app management and infrastructure, including the app’s main run loop
- User interface management, including support for storyboards and nib files
- A view controller model to encapsulate the contents of your user interface
- Objects representing the standard system views and controls
- Support for handling touch- and motion-based events
- Support for a document model that includes iCloud integration; see Document-Based App Programming Guide for iOS
- Graphics and windowing support, including support for external displays; see View Programming Guide for iOS
- Multitasking support; see Multitasking
- Printing support; see Drawing and Printing Guide for iOS
- Support for customizing the appearance of standard UIKit controls
- Support for text and web content
- Cut, copy, and paste support
- Support for animating user-interface content
- Integration with other apps on the system through URL schemes and framework interfaces
- Accessibility support for disabled users
- Support for the Apple Push Notification service; see Apple Push Notification Service
- Local notification scheduling and delivery; see Local Notifications
- PDF creation
- Support for using custom input views that behave like the system keyboard
- Support for creating custom text views that interact with the system keyboard
- Support for sharing content through email, Twitter, Facebook, and other services
In addition to providing the fundamental code for building your app, UIKit also incorporates support for some device-specific features, such as the following:
- The built-in camera (where present)
- The user’s photo library
- Device name and model information
- Battery state information
- Proximity sensor information
- Remote control information from attached headsets
For information about the classes of the UIKit framework, see UIKit Framework Reference.
时间： 2024-10-11 17:38:17