Density mapping for iPhone button icons

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quailcreek
Posts: 746
Joined: Sun Feb 04, 2007 11:01 pm
Location: McKenna, WA

Density mapping for iPhone button icons

Post by quailcreek » Sun Dec 20, 2015 12:12 am

Hi,
I’m making adjustments to my app in preparation for sending it to iTunes Connect. Wish me luck. :-) I want to understand density mapping with regards to png images used for my button icons. I have a series of pngs that are 48x48 pixels. I have imported them into a substack and sized them to 30x30 and referenced them. This is what I think I'll need to adjust. My question is, being this will be for iPhone, what size files will I need? Do I need all four medium, high, extra-high and ultra-high or has this changed? Thanks for help.

imageName@medium.png 30x30
imageName@high.png 45x45
imageName@extra-high.png 60x60
imageName@ultra-high.png 120x120
Tom
MacBook Pro OS Mojave 10.14

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