Android core

Android is an operating system based on Linux and designed primarily for mobile devices. Android applications can be multitasking and are written in Java, Kotlin or C++.

To prepare for the AAD certification exam, Android developers should:

• Understand the architecture of the Android system
• Be able to describe the basic building blocks of an Android app
• Know how to build and run an Android app
• Display simple messages in a popup using a Toast or a Snackbar
• Be able to display a message outside your app's UI using Notifications
• Understand how to localize an app
• Be able to schedule a background task using JobScheduler

Resources

• Android Developers -> Toasts
• Android Developers -> Snackbar
• Android Developers -> Localize your app
• Android Developers -> Application fundamentals
• Codelabs -> Notifications
• Codelabs -> JobScheduler