Whenever you read about Android development, you’ll see the word Activity pop up all the time. In this article, we’ll explain what Activities are, and how they relate to Tasks, Processes and the Back Stack running on the phone. Activities An activity is a visual component that you see on a screen, with some associated logic to manage life cycle and navigation. An application will generally consist of several activities.
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BuildMobile: Activities, Tasks and Intents, Oh My!