At some point in an Android project you will need to import some drawables - be it toolbar icons, images, UI features - in res/drawable directory. Most of the t
With Mac OS X Finder you can simply copy/paste the folders drawable-mdpi, drawable-hdpi, drawable-xdpi, drawable-xxdpi in a single move to my_package/ and then select the option Merge in the appearing Finder dialog. This will add the new files to the corresponding folders in my_package/.
However, note that this is only possible if the source and target folders do not contain any identically named files.