Glossary

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Camera Aiming(also: Camera Pointing, Camera Guidance)

The challenge blind users face in correctly positioning and aiming a camera to capture the intended visual content. Since blind users cannot see the camera viewfinder, they may inadvertently capture too much, too little, or entirely unintended content, contributing to privacy…

Camera Phone(also: Smartphone Camera, Mobile Camera)

A camera phone is a mobile phone equipped with a built-in image sensor, which in an accessibility context serves as the input device for a wide class of vision-based assistive applications. Modern smartphone cameras enable live scene description (Seeing AI, Be My AI), object…

Click-on-Lift(also: Lift-off Activation, Release Activation)

An interaction technique where a touch target is activated only when the user lifts their finger from the screen while still within the target area, rather than registering the action at the point of initial contact. This approach is particularly beneficial for users with hand…

Content Description(also: contentDescription, Android Content Description)

A text attribute on Android UI elements that provides an accessible label for screen readers like TalkBack. Content descriptions serve the same purpose as alt text on web images — they convey the meaning or function of visual elements to users who cannot see them. For…

Continuous Motion Input(also: Gesture Typing, Swipe Input)

A text entry method where the user traces a continuous path across an on-screen keyboard, passing through the desired letters or keys without lifting their finger. This approach can be faster than discrete tapping and is particularly beneficial for users with motor impairments…

Cross-Platform Development(also: Cross-Platform Framework, Multi-Platform Development)

A software development approach that allows a single codebase to run on multiple operating systems or device platforms, such as iOS and Android. Frameworks like React Native, Flutter, and Xamarin enable developers to write code once and deploy it across platforms, reducing…

Cross-Platform Development Framework(also: CPDF, Cross-Platform Framework)

A software development toolkit that allows developers to write application code once and deploy it on multiple operating systems, such as iOS and Android. Popular examples include React Native, Xamarin, and Flutter. While CPDFs reduce development and maintenance costs, research…

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