Let us start actual programming with Android Framework. Before you start writing your first example using Android SDK, you have to make sure that you have set-up your Android development environment properly as explained in Android - Environment Set-up tutorial. I also assume that you have a little bit working knowledge with Android studio. So let us proceed to write a simple Android Application which will print "Hello World!". Create Android Application The first step is to create a simple Android Application using Android studio. When you click on Android studio icon, it will show screen as shown below You can start your application development by calling start a new android studio project. in a new installation frame should ask Application name, package information and location of the project.− After entered application name, it going to be called select the form factors your application runs on, here need to specify Minimum SDK, in our tuto