Android: failed to convert @drawable/picture into a drawable

Question

In my drawable folder I have a few images and they all reference perfect, but when I try and add any more images with the exact same size in the same folder, and try to refe

Answer 1

If you have the naming conventions right, then just go to File -> Invalidate Caches / Restart..

And press Invalidate Caches / Restart..

This helped in my case.

Answer 2

My Image name was 21.jpg. I renamed it as abc.jpg and it worked. So Make sure your image name not starting with a number. However all above answers are also accepted.