some air ipad apps are ipad 2 only - why?

Forum|Forum|14 years ago
March 24, 2012
3 replies
1472 views

Im trying to work out what works on the ipad 1 and what doesnt. Clearly some apps say ipad 2 only, but why is this. A game like Machinarium doesnt work on the first ipad - why? What is or isnt supported. Im guessing stage 3d requires ipad 2 or higher but what else? thanks for any help you can give

Development

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N

NoriSte_

Participating Frequently

Because the first-generation iPad has a limited amount of RAM (128 MB) and more than half of it is for the OS. What it means? It means that you're app can use moreless only 50 MB of memory, otherwise your app will crash and lot of times the iPad itself crashes (and a hard reboot is needed).

Machinarium use 70/80 MB of memory.

A

Anonymous

thanks NoriSte. I wonder how apps built for the new ipad will fare on the 1st ipad - given that the new ipad's screen res. will require the use much larger graphics.

N

NoriSte_

Participating Frequently

I'm not worry. I'm developing a new app and obviously the New iPad is covered. It's just another one more screen, nothing more. I'll crop the graphics for two kind of resolutions (to avoid the problem mentioned above):

< 1280x800 (iOS smartphones, iOS iPad 1-2, Android smartphones, Android tablets)

1280x800 <--> 2048x1536 (iPad 3, SMartTVs)

And I'll redraw the images to adapt the graphics to the device

http://www.adobe.com/devnet/air/samples-mobile/articles/sylvesters-band.html

see "Pre-scale everything"

I'll take care of the future Samsung retina display? I should

http://www.telegraph.co.uk/technology/samsung/8946389/Samsung-tablet-to-challenge-Apples-retina-display.html

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