Unverified50% confidenceFactExact time
The accessibility tree is a structured UI description that the operating system maintains for assistive technologies (screen readers, voice control, automation tools), exposed by each platform's native APIs: on Windows it is UI Automation (UIA), on macOS it is AXUIElement, on Linux it is AT-SPI, and on Android it is AccessibilityNodeInfo.
1
Sources
50%
Confidence
Long-term
Relevance
10/14/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedPlatform inspectors can be used to view the accessibility tree: on macOS use Accessibility Inspector (Xcode, Open Developer Tool), on Windows use Accessibility Insights for Windows or Inspect.exe in the Windows SDK, on Linux use Accerciser (which reads AT-SPI), and on Android use the adb shell uiautomator dump command.75% similarUnverifiedapplication-use implements desktop automation using the macOS Accessibility API, which can enumerate the UI element hierarchy tree in any application window and obtain attributes such as position, label, and state for buttons, text fields, and menu items.70% similarUnverifiedmacOS 的 AX API 通过 Core Foundation 框架提供，Windows 使用 UI Automation，Linux 使用基于 D-Bus 的 AT-SPI 作为无障碍接口70% similarUnverifiedThe macOS Accessibility API allows programs to query UI element identifiers, positions, text, and interaction states and simulate operations without relying on image recognition; it is a mechanism of the same kind as Windows UI Automation and Linux AT-SPI.70% similarUnverifiedWindows UI Automation (UIA) is an accessibility framework built into the operating system by Microsoft since Windows Vista, originally designed to allow assistive technologies such as screen readers to programmatically access interface elements.70% similar
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