Published on July 15, 2017
Android’s iconography style guidelines [0] for action bar and notification icons call for flat, pictographic icons that use a single foreground color with no additional styling or effects. When working with vector source graphics, it’s easy to make final, flat icon assets. However, sometimes you only have pre-styled raster graphics to use as sources for your icons. In these cases, you can flatten or recolor those source assets using the techniques demonstrated in this screencast.
[0]
