The first step is to get the Android development environment set up. As with regular Java development, an IDE isn't strictly necessary, but it sure helps, so we'll install Android Studio, which is an IDE based on IntelliJ IDEA. If you already have IDEA installed, you can just install the Android plugin and have everything you need. For our purposes here, though, we'll assume you don't have either installed.
- To download Android Studio, go to https://developer.android.com/studio/index.html, and download the package appropriate for your operating system. When you start Android Studio for the first time, you should see following screen:
- Before we start a new project, let's configure the Android SDKs that are available. Click on the Configure menu in the bottom-right corner, then click on SDK Manager to get this screen:
Which SDKs you...
