android old source code

[Ben Wu]

Dear All:
  I now  new to android development, and found andorid4.2 source code is too large, I want study older verison SDK about android such as 1.5 or 1.6. where can i download it ? many thanks
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20130523/9bf93a8b/attachment.html