1.Source code hub: 

1)bitbucket hub 
https://bitbucket.org/cubietech/cc-a80-android4.4_android.git
https://bitbucket.org/cubietech/cc-a80-android4.4_lichee.git
you can get repo by this way:
$git clone https://bitbucket.org/cubietech/cc-a80-android4.4_android.git
$git clone https://bitbucket.org/cubietech/cc-a80-android4.4_lichee.git

2)dl.cubieboard.org/model/cc-a80/source/Android 
A80_android.tar.gz md5sum:328b9c719d875d5a39addecbad68c93f 
lichee.tar.gz      md5sum:c0fc1e9caa3e4ff91c5b8300c9828dde

2.Android sdk guide 
Model/cc-a80/Doc/Android