从Android官网拷过来的,方便查阅。。。
API Level is an integer value that uniquely identifies the framework API revision offered by a version of the Android platform.
本文为博主原创文章,转载请注明出处
http://www.cnblogs.com/rencm/p/5315353.html
原文:http://www.cnblogs.com/rencm/p/5315353.html