寻他千百度，回首就在源码中

Android os的一些历史

做一些研究，知道标的物的一些历史还是很有帮助的。

近期开始研究Android，希望能开始源码编程，所以构建源码编程环境就是第一件事了。 不过上来的拦路虎就是，如何选择版本。所以就开始了慢慢的探索，网上有很多不过似乎不完整，结果发现源码文档中就有这个。

菜鸟的俺，就记录一下。

int	BASE	October 2008: The original, first, version of Android.
int	BASE_1_1	February 2009: First Android update, officially called 1.1.
int	CUPCAKE	May 2009: Android 1.5.
int	CUR_DEVELOPMENT	Magic version number for a current development build, which has not yet turned into an official release.
int	DONUT	September 2009: Android 1.6.
int	ECLAIR	November 2009: Android 2.0 Applications targeting this or a later release will get these new changes in behavior: The Service.onStartCommand function will return the new START_STICKY behavior instead of the old compatibility START_STICKY_COMPATIBILITY.
int	ECLAIR_0_1	December 2009: Android 2.0.1
int	ECLAIR_MR1	January 2010: Android 2.1
int	FROYO	June 2010: Android 2.2
int	GINGERBREAD	November 2010: Android 2.3
int	GINGERBREAD_MR1	February 2011: Android 2.3.3.
int	HONEYCOMB	February 2011: Android 3.0.
int	HONEYCOMB_MR1	May 2011: Android 3.1.
int	HONEYCOMB_MR2	June 2011: Android 3.2.
int	ICE_CREAM_SANDWICH	October 2011: Android 4.0.
int	ICE_CREAM_SANDWICH_MR1	Android 4.0.3.