Android SDK版本号 与 API Level

Android 的API是程序员开发用的，所以API LEVEL可以认为是内部的；而SDK的版本提供了新特性给用户,是外部可见的。可以查看以下网址以获取最新的对应关系：

http://developer.android.com/guide/appendix/api-levels.html

Android SDK版本号 与 API Level 对应关系如下表：

Code nameVersionAPI level(no code name)1.0API level 1(no code name)1.1API level 2Cupcake1.5API level 3, NDK 1Donut1.6API level 4, NDK 2Eclair2.0API level 5Eclair2.0.1API level 6Eclair2.1API level 7, NDK 3Froyo2.2.xAPI level 8, NDK 4Gingerbread2.3 - 2.3.2API level 9, NDK 5Gingerbread2.3.3 - 2.3.7API level 10Honeycomb3.0API level 11Honeycomb3.1API level 12, NDK 6Honeycomb3.2.xAPI level 13Ice Cream Sandwich4.0.1 - 4.0.2API level 14, NDK 7Ice Cream Sandwich4.0.3 - 4.0.4API level 15, NDK 8Jelly Bean4.1.xAPI level 16Jelly Bean4.2.xAPI level 17Jelly Bean4.3.xAPI level 18KitKat4.4 - 4.4.4API level 19KitKat Watch4.4WAPI level 20Lollipop5.0API level 21Lollipop5.1API level 22Marshmallow6.0API level 23