To use those libraries, simply copy them as static libraries into your project. Each library is called v<api>, indicating the minimum API level that they require. *** V4 *** v4/android-support-v4.jar contains: - Fragment API. New in API 11 (3.0 - Honeycomb). http://developer.android.com/reference/android/app/Fragment.html - Loader API. New in API 11 (3.0 - Honeycomb). http://developer.android.com/reference/android/app/LoaderManager.html

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