You have to convert to its preferred (uncompressed) image format with the Image Converter first since Bangle doesn't include gif/png decoders. Easiest to just upload using the Web IDE's Storage menu first, then when you're ready to put it on the app store, download the files to a fileimage.img file.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
You have to convert to its preferred (uncompressed) image format with the Image Converter first since Bangle doesn't include gif/png decoders. Easiest to just upload using the Web IDE's Storage menu first, then when you're ready to put it on the app store, download the files to a
fileimage.img
file.