A web browser and and internet connection to access the Material color tools.A computer with the latest stable version of Android Studio installed.Understand the importance of color contrast.Change the look of an app using a Theme.How to set colors as part of your app theme.How to select effective colors for your app according to Material Design principles.An Android device or emulator running API 28 (Android 9), or API 29 (Android 10) or higher.How to run an Android app on the emulator or a device in Android Studio.How to create an Android app from a template in Android Studio.

If you're taking this as part of the Android Basics course, you can use the Tip Time app.

The codelab uses the Empty Activity app template, but you can use whatever Android app you're working on. The full Material system includes design guidelines on visual, motion, and interaction design for your app, but this codelab will focus on changing the color theme for your Android app. Material is a design system created by Google to help developers build high-quality digital experiences for Android and other platforms.

Set app theme android studio