Theme preview fails in Eclipse

Question

I have made a simple username/password dialog to which I want to apply a theme (it basically defines windowBackground) and would also like to preview in Eclip

Answer 1

I also got this problem. I solved it by changing theme. Steps to do this

1. Open activity in "Graphic Layout"
2. Click drop down list AppTheme (On top bar of activity "Graphic Layout")
3. Select Project Themes->AppBaseTheme