I have a problem with EditText background like this
As I think you should change background Color, not the background. Because it's using xml custom shape.
A drawable to use as the background. This can be either a reference to a full drawable resource (such as a PNG image, 9-patch, XML state list description, etc), or a solid color such as #ff000000
(black).
May be a reference to another resource, in the form @[+][package:]type:name
or to a theme attribute in the form ?[package:][type:]nam
e.
May be a color value, in the form of #rgb
, #argb
, #rrggbb
, or #aarrggbb
.
Check out http://www.androidworks.com/changing-the-android-edittext-ui-widget if you want to style your EditText's.