author:JakeWharton stars:4414

Android library for using the Honeycomb (Android 3.0) animation API on all versions of the platform back to 1.0!


author:Prototik stars:2241

This project brings Holo Theme from Android 4.1 to 2.1 and above (no longer maintained).


author:henrytao-me stars:1688

Smooth version of Google Support Design AppBarLayout.

author:BoD stars:516

A backport of the Switch widget ( that was introduced on Android 4. This port works on Android 2.1+.

author:kolavar stars:388

Unofficial PreferenceFragment compatibility layer for Android 1.6 and up. Includes resources so add this as a library project to your project.


author:streamsupport stars:293

Backport of Java 8 API to Java 6/7 and Android.


author:mixi-inc stars:237

Android-Device-Compatibility just yet another compatibility package for Android. This project aims to make the app compatible with various devices all over the world. The project will take care about lots of issues caused by device differences, so you don't need to write a weird compatibility code on your own.

author:SimonVT stars:226

Android CalendarView widget backported to 2.2


author:soarcn stars:155

AndroidLifecyle is a 'compatibility' version of the ActivityLifecycleCallbacks APIs that were introduced in Android 4 (API Level 14) and adding similar mechanism for Fragment.


author:negusoft stars:141

Android library to backport Material design and allow changing colors at run-time.


author:frakbot stars:68

Account Chooser for Android, backported from JellyBean.


author:commonsguy stars:20

This project offers a port of MediaRouteActionProvider, and its support classes, to work with native API Level 11+ fragments and the action bar. These were ported from the mediarouter Android library project, where these classes require the appcompat action bar and, hence, the fragment backport.


author:u1aryz stars:9

Color picker for v7 Preference Support Library.