Create Android Hello World Project

Prerequisites:

Android Studio should be installed, if it’s not ready, please install android studio 

This application will be a very simple project that will show a message that is 

“Hello World”. 

In this android project, there will be two mandatory files :

1. activity_main.xml: This file is used for the layout of the application  
2. MainActivity.java: This file helps us to write the code

Steps:

1. Open the Android Studio

2. Click on Create New Project

3.  Click on Empty Activity Click on 'Next'.

4. Enter following details :

Name : Hello Word 

Package Name com.helloworld 

Save location : choose any location 

Language : Java 

Minimum SDK: API 21 Android 5.0 

Click Finish

5. Build APK

6. Click on Locate

7. Copy app-debug.apk file to your mobile device

8. Install app-debug.apk on your mobile device

To install this application you can adopt two methods:

1. Connect mobile device with USB cable. Ensure Developer mode and USB debugging are enabled . Click on Run .

Or

2. Build app and copy .apk file into your mobile device. Manually Install application