Android : Understanding drawable folder

Question

I have an image with dimensions 250*70 pixels under drawable folder (I\'m just starting out in Android development, so i created drawable folder in

Answer 1

actually there are 4 screen resolution standards - check this link for more information http://developer.android.com/guide/practices/screens_support.html , the table below. When you install your app on device, the device return one of these standards and pick the resources from the corresponding folder - ldpi, mdpi, hdpi and xhdpi