![]() ![]() As a user moves from one screen to another, the app launches the next activity from the current one.Įach of the above screens from the Android settings app, including the main menu, is a separate activity. An activity provides the developer with a window in which to draw the UI, and each screen of an app typically maps to a single activity. UI designers think of apps in terms of "screens", which is a pretty close analog to activities. ![]() Therefore, our testing strategy can benefit from understanding and incorporating activities.Īn Android app is not a single experience with a set beginning and end, it is a collection of activities which can be entered and left at will. The Activity is a core concept of Android apps and fundamentally shapes app architecture and UI design.
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