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Android has several accessibility-focused features baked into the platform, which make it easy to optimize your application for those with visual or physical disabilities. However, it’s not always obvious what the correct optimizations are, or the easiest way to leverage the framework toward this purpose. This lesson shows you how to implement the strategies and platform features that make for a great accessibility-enabled Android application.
The value for android:description does not seem to appear in app selection screens (for generic intents). There is no option in the app tray to view more details about the application. It does not show in the App Manager. The Android Market description is set through the Android Market website when someone publishes an app and does not seem to come from the app itself.
A well-designed user interface (UI) often has elements that don’t require an explicit label to indicate their purpose to the user. A checkbox next to an item in a task list application has a fairly obvious purpose, as does a trash can in a file manager application. However, to your users with vision impairment, other UI cues are needed. Android Training Institute in janakpuri.

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