From the course: Android App Development: Accessibility

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The ExploreByTouch helper: Part 1

The ExploreByTouch helper: Part 1 - Android Tutorial

From the course: Android App Development: Accessibility

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The ExploreByTouch helper: Part 1

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- [Instructor] Before we implement the explore by touch helper in our sample web, let's take a quick look at how our charts example behaves with talk back enabled. Go ahead and open the charts example. - [Phone Voiceover] Charts button, charts. - [Instructor] Let's explore this screen with talk back. - [Phone Voiceover] Navigate up button, charts. Line chart example employee count. Bar chart example employee count. - [Instructor] Screen reader users won't even be able to place focus on the chart and won't be able to perceive any information about this chart. Our app uses a very popular library on Android for charts called MP Android Chart. You can find more information about this library on GitHub. You can use any other library or create your own charts in a custom view as long as you provide the information we need for the explore by touch helper. Aside from the data itself we only need to know the balance for each virtual view. Luckily this library already provides that for us. Back…

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