From the course: Android App Development: Accessibility

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Communicating meaningful information

Communicating meaningful information - Android Tutorial

From the course: Android App Development: Accessibility

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Communicating meaningful information

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- [Instructor] The key to communicate meaningful information that can be perceivable and understandable to everyone is to always provide alternatives. This means that we should not rely on color or sound alone to communicate meaningful information. What you should do instead, is to use a combination of them, including changing or adding shapes. It makes it easier to recognize the information. Let's go through a few examples to illustrate this problem. In a typical media player, there is usually a set of controls that behaves like poggle buttons, such as the shuffle, repeat, play, and pause buttons. They not only have a meaning, but also represents a state. Shuffle and repeat buttons can be on or off, for example. A naive approach to indicate such state is to only change its color to an accent color. The problem here happens not only for people who may be colorblind, but also, it may not be obvious whether this color indicates on or off. To solve this problem, we could simply add…

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