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There are several kinds of events, including touch events, motion events, remote-control events, and press events. To handle a specific type of event, a responder must override the corresponding methods. For example, to handle touch events, a responder implements the touchesBegan(_:with:) , touchesMoved(_:with:)
12 Dec 2016 Orientation events are another example of an iOS-specific event. Read Safari CSS Visual Effects Guide to learn more about CSS visual effects. You can use JavaScript DOM touch event classes available on iOS to handle multi-touch and gesture events in a way similar to the way they are handled in
The UIKit framework provides the required infrastructure for your iOS or tvOS apps. It provides the window and view architecture for implementing your interface, the event handling infrastructure for delivering Multitouch and other types of input to your app, and the main run loop needed to manage interactions among the
28 Jan 2013 About Events in iOS 6. At a Glance 6. UIKit Makes It Easy for Your App to Detect Gestures 6. An Event Travels Along a Specific Path Looking for an Object to Handle It 7. A UIEvent Encapsulates a Touch, Shake-Motion, or Remote-Control Event 7. An App Receives Multitouch Events When Users Touch Its
18 Sep 2013 The system tells an application only when the motion starts and when it stops; the corresponding UIResponder methods are motionBegan:withEvent: and motionEnded:withEvent: . The only information passed to the handling responder object is the data encapsulated by the event object: event type (in this
Responders receive the raw event data and must either handle the event or forward it to another responder object. When your app receives an event, UIKit automatically directs that event to the most appropriate responder object, known as the first responder. Unhandled events are passed from responder to responder in the
Video. AVFoundation. 2017-08-25. Minor Change. MPSMatrixMultiplication: Creating and Multiplying Matrices in Metal. iOS, Sample Code. Metal Performance Shaders. 2017-08-21. Content Update. Remapping Keys in macOS 10.12 Sierra. macOS, Technical Notes, Data Management. Event Handling. IOKit. 2017-08-21.
Apps can receive many different types of events, including touch events, motion events, remote-control events, and press events. Touch events are the most common and are object to your local data structures. For more information on how to handle events in your UIKit app, see Event Handling Guide for UIKit Apps.
An instance of the UIAcceleration class, called an acceleration event, represents immediate, three-dimensional acceleration data. To receive accelerometer events, register an application object as a delegate of the shared UIAccelerometer object, as described in UIAccelerometer . SDK. iOS 2.0–5.0Deprecated. Framework.

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March 2018