Get device image scale (e.g. @1x, @2x and @3x)

Question

I have an app that uses a service to get some icons.

With this service I can get any image of any size, so I've planned to get the 3 images (@1x, @2x and @3x) and store them on the BBDD, and then get the scale to use one of these three; or maybe get only the one according with the device scale.

But the thing is, how can I get the device scale (@1x, @2x and @3x) programmatically?

Both Obj-c and Swift are welcomed ;)

@iphonic that works ;) how could be so easy hehe, thanks! post it as an answer and i'll check it as answered — javiazo, Jun 01 '15 at 11:40

score 78 · Accepted Answer · edited Dec 21 '16 at 19:43

78

Use

[UIScreen mainScreen].scale;

this will give you the exact scale as per device.

In Swift 3

UIScreen.main.scale

Cheers.

edited Dec 21 '16 at 19:43

Josh Brown

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answered Jun 01 '15 at 11:41

iphonic

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yes =) UIScreen.mainScreen().scale for the Swift lovers – javiazo Jun 01 '15 at 11:44

Get device image scale (e.g. @1x, @2x and @3x)

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