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Stephen Kong  Rank: Android Junior Posts: 17 Join date: Oct 11, 2011 |
Landscape mode where y = 0 mean the top of the screen?? created on Jan 30, 2012 2:30:11 AM setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); I put the above statement in my Activity. But I was surprised to find out that x/y coordinates where y = 0 is actually represent the top of the screen and y = screen height actually represent the bottom of the screen. This is a bit counter-intutive because I throught y = 0 should means the bottom of the screen. Is this the correct y axis representation in landscape mode, or I might have missed some important setup or coding? |
Jeremiah 
Status: Moderator Rank: Android Silver Senior Posts: 718 Join date: Apr 28, 2010 |
RE: Landscape mode where y = 0 mean the top of the screen?? created on Feb 1, 2012 4:33:30 AM
Y = 0 is the top of the screen, in landscape or portrait mode. I know its awkward for someone coming from a geometric Cartesian coordinate system, which has 0 at the bottom. But almost all computer language all the way back from GW-Basic have put 0 at the top.
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