this article from : https://www.codeproject.com/Articles/801078/Hello-Android-The-Hello-World-Application Index Introduction Background Tools Create Project Let's code Create MainActivity Add the Activity to AndroidMenifest Build The Project Create the Virtual Device Create new Virtual Device Definition Deploy the Application to Virtual Device Preparing Device for Debugging Enable Developer Options Install USB Driver (Windows Only) Deploy the Application to Real Device Adding a View App Resource R.java The Sizing Layout Create the first layout The String Resources The Color Value Resources The Dimension Resources Sign the Application for Distribution Can't run the App? read this Point of Interest History Introduction This article will guide you to create your first Android application. This application called "Hello World", it is a simple program that programmers write when they learn a new programming language or platfor...