Vẽ đường nối giữa hai điểm - Googlemap api v2 - Android - Draw route map between two geopoints

Nguồn: http://asmncl.blogspot.in/2012/04/android-draw-route-map-between-two.html

Code:
Using V1:
https://github.com/asmncl/AndroidSampleProjects/tree/master/DrawRoutePath

Using V2:
https://github.com/asmncl/AndroidSampleProjects/tree/master/DrawRouteV2