https://github.com/Trinea/android-open-project#%E5%8D%81%E4%B8%80tipview
http://www.codekk.com/open-source-project-analysis
https://github.com/Trinea/android-open-project#%E5%8D%81%E4%B8%80tipview
http://www.codekk.com/open-source-project-analysis