WorldMapisasimpleAndroidappthatdisplaysamapoftheworldtakenfromWikimedia(http://upload.wikimedia.org/wikipedia/commons/3/33/Physical_Political_World_Map.jpg),andallowstheusertoscrollaroundonit.
Themapitselfisquitelarge(6480,3888),soit'swaytoobigtofitinmemoryallatonce(6480x3888x32/8)=100,776,960--over96megs.TheVMheapsizeAndroidsupportsiseith16or24megs,sowecan'tfitthewholethinginmemoryatonce.
SoWorldMapusestheBitmapRegionDecoderAPI(availableasofAPI10)todecodejustwhatitneedstodisplay.
WorldMapisopensource,andthesourcecodeishere:https://github.com/johnnylambada/WorldMap