BrowserStack App Accessibility Rule Engine
Note:
- The BrowserStack App Accessibility Rule Engine is in its initial preview phase.
- It is being actively enhanced with additional rules to address a wider range of issues.
- For any questions or comments, please contact us.
Rules supported by BrowserStack App Accessibility
| Rule Category | Rule Name | Guideline | Platforms supported | WCAG Guidelines | Severity |
|---|---|---|---|---|---|
| Accessibility Labels | Interactive Element Accessibility Label | All interactable UI elements or custom views must have a descriptive accessibility label for screen readers. | Android, iOS |
2.1 - 1.3.1 (A), 2.1 - 2.4.6 (AA), 2.1 - 4.1.2 (A) |
Serious |
| Accessibility Labels | Checkbox Element Accessibility Label | Checkbox should have both name & value available to Screen Readers to be fully accessible. | Android | 2.1 - 1.3.1 (A) | Serious |
| Accessibility Labels | Switch Element Accesssibility Label | Switch element should have both name & value available to Screen Readers to be fully accessible. | Android, iOS | 2.1 - 1.3.1 (A) | Serious |
| Accessibility Labels | Editable Element Accessibility Label | Editable elements such as EditTexts or TextViews should have both name and value available to Screen Readers to be fully accessible. | Android, iOS |
2.1 - 1.3.1 (A), 2.1 - 4.1.2 (A) |
Serious |
| Accessibility Labels | Editable Element No Content Description | Avoid using “contentDescription” property on editable views. | Android | 2.1 - 4.1.2 (A) | Serious |
| Accessibility Labels | ImageView Element Accessibility Label | Informative ImageView or ImageButton elements that convey information graphically should provide accessibility label. | Android, iOS | 2.1 - 1.1.1 (A) | Serious |
| Accessibility Labels | View State in Element Accessibility Label | Avoid including view state information in the accessible name as Screen readers automatically announce an element’s type and state. | Android, iOS | 2.1 - 1.3.1 (A) | Serious |
| Accessibility Labels | View Type in Element Accessibility Label | Avoid including the control type name in the accessibility label as Screen readers typically announce the control type. | Android, iOS | None (Best Practice) | Minor |
| Accessibility Labels | Duplicate Accessibility Label on Screen | Ensure that each element within a collection has a unique accessibility label. | Android, iOS | 2.1 - 4.1.2 (A) | Serious |
| Accessibility Labels | Button Element Accessibility Label Capitalization | Accessibility labels for buttons should start with an uppercase letter to ensure correct intonation by Screen Readers. | Android, iOS | 2.1 - 3.1.6 AAA | Minor |
| Accessibility Labels | Special-Character Element Accessibility Label | Avoid using special characters (glyphs) or emojis within accessibility labels. | Android, iOS | None (Best Practice) | Minor |
| Accessibility Labels | Label in Name | The programmatic name should contain the text that is presented visually. | Android, iOS | 2.1 - 2.5.3 (A) | Serious |
| Accessibility Labels | Link Text Purpose | Ensure the purpose of each link is clear. | Android, iOS | 2.1 - 2.4.4 (A) | Serious |
| Touch Target Size & Spacing | Touch Target Size | Ensure that each interactive UI element has a or touch target size, of at least 44(dp/pt) x 44(dp/pt). | Android, iOS | 2.1 - 2.5.5 (AAA) | Serious |
| Touch Target Size & Spacing | Touch Target Size & Spacing | Ensure a minimum touch target area of 24dp/pt x 24dp/pt or spacing equivalent to 24 dp/pt diameter. | Android, iOS | 2.2 - 2.5.8 (AA) | Serious |
| Readable Text & Resizing | Font Magnification Support | Users should be able to resize texts up to 200 percent without loss of content or functionality. | Android,iOS | 2.1 - 1.4.4 (AA) | Serious |
| Readable Text & Resizing | Readable Font Size | The text can cause readability problems when it is too small. Recommended to define text size is at-least 14 sp or equivalent. | Android | None (Best Practice) | Minor |
| Readable Text & Resizing | Text Truncation | Text should be able to resize without truncation. | Android,iOS | 2.1 - 1.4.4 (AA) | Serious |
| Orientation | App & Screen Orientation Lock | All screens of an app must be usable in all orientations. | Android,iOS | 2.1 - 1.3.4 (AA) | Serious |
| Colors & Contrast | Text Element Color Contrast | All screens of an app must be usable in all orientations. | Android,iOS | 2.1 - 1.4.3 (AA) | Serious |
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