I am trying to set the alpha level of a view.
I am reading the documentation here:
and it seems as if it should be possible even on android 2.1 which I am developing for (as I cant see it saying otherwise) but when I add it to my view
No resource identifier found for attribute 'alpha' in package
you can set the alpha with the background properties like this way
here the first 50 value is set the alpha value