World Map

com.sigseg.android.worldmap

Total installs
3.0M(3,087,730)
Rating
3.9(509 reviews)
Released
July 20, 2012
Last updated
December 9, 2023
Category
Education
Developer
sigseg, llc
Developer details
Name
sigseg, llc
Website
unknown
Country
unknown
Address
16162 Eagle Lane Huntington Beach CA, 92649
Android SDKs
  • No items.
World Map Header - AppWisp.com

Screenshots

World Map Screenshot 1 - AppWisp.com
World Map Screenshot 2 - AppWisp.com

Description

WorldMap is a simple Android app that displays a map of the world taken from Wikimedia (http://upload.wikimedia.org/wikipedia/commons/3/33/Physical_Political_World_Map.jpg), and allows the user to scroll around on it.

The map itself is quite large (6480,3888), so it's way too big to fit in memory all at once (6480 x 3888 x 32 / 8) = 100,776,960 -- over 96 megs. The VM heap size Android supports is eith 16 or 24 megs, so we can't fit the whole thing in memory at once.

So WorldMap uses the BitmapRegionDecoder API (available as of API 10) to decode just what it needs to display.

WorldMap is open source, and the source code is here: https://github.com/johnnylambada/WorldMap

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