Any application you've already published is compatible with devices running Android 3.0, by default, because Android applications are forward-compatible. However, new tablet devices running Android 3.0 are now available to the public and provide users a new Android experience on a larger screen, so you should make sure your application looks and works great on the new platform and new device form-factors.
You can optimize your existing application for Android 3.0 and maintain compatibility with older versions or upgrade your application completely with new APIs.
Get started optimizing android apps.
1. Set up your SDK with Android 3.0.
Install the Android 3.0 platform, new tools, and set up a new AVD.
2. Choose to either optimize or upgrade:
- Optimize your app for tablets and similar devices. Read this section if you have an existing application and want to maintain compatibility with older versions of Android. All you need to do is update your manifest file to declare support for Android 3.0, test your application on the new platform, and add extra resources to support extra large screens, as appropriate.
- Upgrade or develop a new app for tablets and similar devices. Read this section if you want to upgrade your application to use APIs introduced in Android 3.0 or create a new application targeted to tablets and similar devices. Compared to upgrading to previous versions of Android, there's nothing different about upgrading to Android 3.0. This section introduces some of the key features and APIs you should use to make an application that's fully enhanced for tablets.
3. Consider whether you need to manage the distribution of your application based on screen configuration.
Then review some other issues you might encounter when developing for tablets and similar devices.
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