How to Build Your First App ?

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Build your first app 

This section explains how to create a basic Android app. To begin, you'll learn how to use Android Studio to construct and run a "Hello, World!" app. Then you construct a new user interface for the programme that accepts user input and displays it on a new screen within the app.

Before you begin, you should understand two basic aspects regarding Android apps: how they enable various access points and how they adapt to different devices. Android Training in Chennai will enhance your technical skills in Android Platform.

Apps provide multiple entry points

Android apps are made up of a variety of components that can be used separately. An activity, for example, is a form of app component that serves as a user interface (UI).

When a user hits your app's icon, the "primary" activity begins. You can also send the user to an activity from another source, such as a notice or another app.

Other components, such as WorkManager, allow your app to run in the background without requiring a user interface.

Following the completion of your first project, go to Application basics to learn more about the other app components.

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Apps can be customised to work on a variety of devices.

You can give various resources for different devices with Android. You can make different layouts for different screen sizes, for example. The system decides which layout to use based on the current device's screen size.

If any of your app's functions, such as the camera, require specific hardware, you may check whether the device has that hardware at runtime and disable the relevant functionality if it doesn't. You can declare that your programme requires specific hardware so that it won't be loaded on devices that don't have it.

Learn more about device configurations after you've finished your first app at Device compatibility overview.

What is the next step?

You have two possibilities if you keep these two basic notions in mind. You can move to the next lesson to construct your first app if you choose to stay in the main documentation, which makes it easy to branch off to other topics to learn more about certain parts of building an app. If you like step-by-step lessons that walk you through each step from beginning to end, the Android Basics in Kotlin course is for you.


Here we have discussed how to build your first app? To know more about Android platform, join Android Training in Coimbatore with placement Assistance.