Android Educational App Template, use it and you will only need to focus on the contents of your courses in order to quickly launch your app idea. The repository is a boilerplate of an Android Studio project and includes by layout files, activities control and database integration, everything already set up for you so that you can get a headstart to bring your project to life.
https://play.google.com/store/apps/details?id=com.gcorso.cyberacademy