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Asked: 2026-06-07T22:14:39+00:00

I know the Compatibility Package is very useful and provides backward compatibility. One thing

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I know the Compatibility Package is very useful and provides backward compatibility. One thing i am not sure, will all the libraries in the package can be used on all version of Android let say above 2.1.

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  1. Editorial Team

    Note: The Support Package includes more than one support library. Each one has a different minimum API level. For example, one library requires API level 4 or higher, while another requires API level 13 or higher (v13 is a superset of v4 and includes additional support classes to work with v13 APIs). The minimum version is indicated by the directory name, such as v4/ and v13/.

    http://developer.android.com/tools/extras/support-library.html

    To support 2.1, use compatibility library “v4”.

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