Chapter 2: Your Very First - "Hello World" App

The "Hello World" App

Hello World App

In this chapter, we will be learning how to create your very first Android app, so we will be displaying, a message - "Hello World".

Some of the initial steps will be common to create Android app.To create a new project (new app) in Android Studio, follow these simple steps - in the coding part in future chapters, we recommend you to know some basics of Java programming language: Lets begin!

Small Info: Always use CamelCase for your project names. CamelCase is a word or phrase where each word starts with a capital letter. Example: CamelCase

Step 1:

Start a new Android Studio Project.

If you have already opened a project in a Android Studio then go to File-> New-> New Project->

Step 2:

Android Studio will configure and create a new project.

Write your Application name as HelloWorld.

Select your project's location etc.

Step 3:

Select the platform and minimum SDK, I have selected platform as Phone or Tablet and SDK as Jelly Bean API 16.

Step 4:

Add an Activity to your Application, I have added as Empty Activity.

Step 5:

Customize the Activity of your Application, Activity Name as MainActivity and Layout Name as activity_main. These name are optional, usually developers use these names.