Skip to content

Most visited

Recently visited


UI and content for billions

Make sure that your app offers an interactive UI that responds quickly to user input and, if necessary, compensates for a slow launch. Ensure that your app is designed to be easily localized by accommodating the variations between languages: allow for spacing, density, order, emphasis, and wording variations. Also make sure that date, time, and other units are internationalized and displayed according to the phone’s settings.

Fast and responsive user interface

The user's perception of app performance is formed in large part by the app's responsiveness. For example, interaction with the user and a crisp display are two important characteristics of a performant app. Here you can find tips on how to optimize these and other aspects of an app's speed and responsiveness.

Touch feedback on all touchable items

UI should always be interactive

Target 60 frames per second on low-cost devices

Use a launch screen on slow to start apps

User interface best practices


This site uses cookies to store your preferences for site-specific language and display options.

Get the latest Android developer news and tips that will help you find success on Google Play.

* Required Fields


Sigue a Google Developers en WeChat

Browse this site in ?

You requested a page in , but your language preference for this site is .

Would you like to change your language preference and browse this site in ? If you want to change your language preference later, use the language menu at the bottom of each page.

This class requires API level or higher

This doc is hidden because your selected API level for the documentation is . You can change the documentation API level with the selector above the left navigation.

For more information about specifying the API level your app requires, read Supporting Different Platform Versions.

Take a short survey?
Help us improve the Android developer experience. (Dec 2017 Android Platform & Tools Survey)