Corona SDK iPhone

A mighty PNG

This innocent-looking PNG image makes a huge difference to iOS apps if you need to target retina display devices. At 640×1136 and named “Default-568h@2x.png”, this default launch image tells the app to run in full retina resolution on devices such as iPhone 5. What’s different with this image is the tiny file size of only 184 bytes. You’re welcome to grab it and use it.


Corona SDK

Corona SDK Graphics 2.0 RGB Conversion

Update: A newer version that converts from and to between Graphics 1.0 and 2.0 can be found here.

Here is a simple tool I created to convert the old RGB values (from 0 to 255) to the Graphics 2.0 RGB values (0 to 1):

Enter RGB color values (0-255) separated by commas (e.g. 0, 128, 255):