How to access GWT designer view on eclipse

Question

I havent yet found a way to view GWT designer mode. I have installed gwt sdk, gwt designer and window builder on eclipse 4.2. View my installation details: I Can open a java file using window builder but cant see the source and design tabs at the bottom: Somebody help me figure out how to access designer mode.

Answer 1

right click on the file and select open in designer

Answer 2

Right click on your uibinder file (ui.xml). Then select windowbuilder. You may need to click "other" and then select windowbuilder from the list.

Answer 3

Turns out its a bug and i was able to access designer mode by clicking switching between to a different layout under Google > Web Toolkit > Designer preferences

Thanks for providing answers guys :)