# Android core

To prepare for the Associate Android Developer certification exam, 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 `WorkManager`

## Related Course Content

- [Android Basics in Kotlin Unit 1 - Kotlin Basics for Android, Pathway 2: Create your first Android app](https://developer.android.com/courses/pathways/android-basics-kotlin-two)
- [Android Basics in Kotlin Unit 1 - Kotlin Basics for Android, Pathway 3: Build a basic layout](https://developer.android.com/courses/pathways/android-basics-kotlin-three)
- [Android Basics in Kotlin Unit 1 - Kotlin Basics for Android, Pathway 4: Add a button to an app](https://developer.android.com/courses/pathways/android-basics-kotlin-four)

## Other Resources

- [Codelabs -\> WorkManager (Kotlin)](https://codelabs.developers.google.com/codelabs/android-workmanager-kt/index.html#0)
- [Codelabs -\> WorkManager (Java)](https://codelabs.developers.google.com/codelabs/android-workmanager-java/index.html#0)
- [Android Developers -\> Application fundamentals](https://developer.android.com/guide/components/fundamentals)
- [Android Developers -\> Getting started with Jetpack](https://developer.android.com/jetpack/docs/getting-started)
- [Android Developers -\> AndroidX overview](https://developer.android.com/jetpack/androidx)
- [Android Developers -\> Android KTX (Kotlin)](https://developer.android.com/kotlin/ktx)
- [Android Developers -\> Localize your app](https://developer.android.com/guide/topics/resources/localization)
- [Android Developers -\> Create a notification](https://developer.android.com/training/notify-user/build-notification)
- [Android Developers -\> Toasts](https://developer.android.com/guide/topics/ui/notifiers/toasts)