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

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2019-10-21 UTC.