Android .xml files: Why do predefined colors not work for me?

Question

When I look at misc. Android tutorials and examples when it comes to specifying colors I very often see constants like @color/red or @color/black e

Answer 1

If you want to use the colors pre-defined in the Android platform, the syntax is @android:color/white. The "android:" at the beginning indicates that the resource is not part of your application.