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Handset orientation detection

Mahmudur Rahman
Greenhorn

Joined: Aug 06, 2007
Posts: 2
Is there a way I can detect the orientation of the handset with respect to the user i.e. if the handset is held horizontal / vertical?
Tim Holloway
Saloon Keeper

Joined: Jun 25, 2001
Posts: 16022
    
  20

That depends on the device. The Apple iPhone has a builtin accelerometer that handles that function, but it's not available to application programmers - at least yet.

My HTC phone doesn't have motion-detection hardware, but if you slide out the QWERTY keyboard, an event is fired that cause the screen image to rotate. I don't know how to intercept it (it's probably a Win/CE event anyway), but I suspect I could tap into it if I needed to.

Most phones aren't smart enough to know anything at all about how the user is holding them. Newer phones are somewhat more likely to have sensor abilities, however as the cost of hardware continues to drop.


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Syam Sathyan George
Ranch Hand

Joined: Apr 26, 2006
Posts: 64
not yet in j2me!!!, Believe me, i am waiting for this to come out, might become a JSR soon.


Syam.Sathyan.George
(My boss is a Jewish carpenter)
 
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subject: Handset orientation detection