Accessibility announcement on React Native
Users of assistive technologies should be made aware of important changes in content through accessibility announcements. What happens next depends on the active assistive technology. The screen reader for example, will read the message aloud.
Accessibility announcement - React Native
In React Native, you can post an accessibility message by using the AccessibilityInfo API. Use the announceForAccessibility method to post a message to assistive technologies.
AccessibilityInfo.announceForAccessibility('Appt announcement');