To use activities in your app, you must register information about them in the app’s Android manifest XML, and you must manage activity lifecycles appropriately. That can be performed by Intent to go form on activity to another with some data. Step by step procedure to develop android app easily. First of all you have to download android studio to make android application. Įach activity can start another activity in order to perform different actions or show.įor example, the main activity has mails list (inbox), so on click any mail you have to show another user interface (Activity have UI). First you learn how to create a hello world project with android studio and run it. It should be defined in AndroidManifest.xml with “ Action” and “ category” to know android system your launching activity. Typically, one activity in an app is specified as the main activity, which is the first screen to appear when the user launches the app.
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