From the course: Android App Development: Accessibility

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Accessibility events

Accessibility events - Android Tutorial

From the course: Android App Development: Accessibility

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Accessibility events

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- [Instructor] Learning the Android Accessibility API is important to understand how native UI components provide information to accessibility services such as TalkBack. In general, you would only use this API if you decide to create your own custom views or if the default behavior of a native component may not be good enough for accessibility. There are two core concepts in the accessibility API. First, accessibility events. And the second, accessibility node info. Let's talk about accessibility events. The purpose of an accessibility event is to notify accessibility services such as TalkBack when something notable happens in the UI. Accessibility services provide its feedback to the user by responding to these accessibility events sent by the system and the application. Some examples of accessibility events are when a view has been clicked or focused or when the content of a view has been changed or simply an announcement you want to make to the accessibility service such as a…

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