Glossary

Searchable terminology from accessibility, web standards, and related fields.

73 results found in Mobile Accessibility.

Accessibility Focus (A11y Focus, Screen Reader Focus)
The currently selected element in a user interface as perceived by a screen reader or other assistive technology. When an element has accessibility focus, the screen reader announces its description a…
Accessibility Scanner (Google Accessibility Scanner, Android Accessibility Scanner)
A testing tool developed by Google that scans Android app screens for common accessibility issues. The scanner checks for problems such as missing content descriptions on interactive elements, insuffi…
Adaptive Typography (Context-Aware Typography, Dynamic Typography)
The practice of adjusting text presentation - font size, weight, line spacing, character spacing, contrast, and colour - automatically or semi-automatically in response to the user's current needs and…
Android Accessibility (Android A11y)
The accessibility features, APIs, and design guidelines built into the Android operating system that enable people with disabilities to use Android devices. Android accessibility includes TalkBack (sc…
Android Accessibility Service (AccessibilityService, Android a11y Service)
The Android Accessibility Service is a system-level API that lets an app observe and interact with the UI of other applications on the device, exposing the hierarchical view tree (class names, text, b…
App Review Mining (App Store Review Analysis, User Review Mining)
The process of systematically extracting, classifying, and analyzing user reviews from app stores such as Google Play and the Apple App Store to identify patterns, issues, and feature requests. In acc…
Auto-Correction (Autocorrect, Automatic error correction, Spell correction)
A software feature that automatically detects and corrects typing errors, typically by comparing entered text against a dictionary and suggesting or applying the closest match based on string distance…
BBC Mobile Accessibility Guidelines (BBC MAG)
A comprehensive set of accessibility standards developed by the BBC for mobile application and web content design. The guidelines cover areas including design, editorial, code, and testing, with speci…
Back Tap (Back Tap Gesture)
An iOS accessibility feature that allows users to trigger actions by tapping on the back of their iPhone two or three times. Back Tap can be configured to activate shortcuts, accessibility features, o…
Biometric Authentication (Biometrics, Biometric Security, Behavioral Biometrics)
Security technology that uses unique biological or behavioral characteristics to verify identity, including fingerprints, facial recognition, iris scans, voice patterns, and handwritten signatures. Ac…
Biometric Authentication (Biometrics, Biometric Identification)
A security method that verifies a person's identity using unique biological characteristics such as fingerprints, facial features, iris patterns, or voice. For people with vision impairments, biometri…
BlindSquare
A GPS-based iOS accessibility app designed for people who are blind or have low vision, providing spoken information about the surrounding environment — nearby points of interest, intersections, stree…
Braille Screen Input (BSI)
A built-in iOS accessibility feature that turns the touchscreen of an iPhone or iPad into a virtual Braille keyboard. When activated through VoiceOver, users can type Braille characters by tapping the…
Camera Phone (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 sma…
Content Description (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 mean…
Cross-Platform Development (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 enab…
Cross-Platform Development Framework (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, Xamari…
Dark Mode (Dark Theme, Night Mode)
A display setting that uses light-colored text and interface elements on a dark background, reversing the typical light-mode color scheme. Dark mode can benefit users with light sensitivity, photophob…
Delivery Context
Delivery context is a term defined by the W3C Device Independence Working Group to describe the set of attributes that characterize the environment in which web content is delivered and consumed. This…
Dynamic Type (Dynamic Text Size, Text Scaling, Font Scaling)
An iOS accessibility feature that allows users to adjust the system-wide text size to meet their reading needs, from very small to very large. Apps that support Dynamic Type automatically reflow and r…