Problem: In Eclipse, “Graphical Layout” tab does not appear for my layout files.
Description:
As i have mentioned in my earlier post that i have changed to Eclipse Indigo development environment, i was trying to open the Design layout of my xml file and it is being appeared:
Instead it should be actually appeared as:
Solution:
In Layout folder, right click on any xml layout file, select open with -> Android Layout Editor. Enjoy
Solution-2: (May be permanent):
I just made a trick to solve the above problem. It may be helpful to you, just try it, select any xml layout file, click on window->preferences and now follow as per the below snap:


