Android代码osmdroid

osmdroid osmdroidisa(almost)full/freereplacementforAndroid'sMapView(v1API)class.Italsoincludesamodulartileprovidersystemwithsupportfornumerousonlineandofflinetilesourcesandoverlaysupportwithbuilt-inoverlaysforplottingicons,trackinglocation,anddrawingshapes.