I have developed an application in which i have 4 tabs A,B,C,D. Each of the Tab contains an Activity. In the fourth tab D I have added an ActivityGroup in which I am having 3 mo
I suppose you have an infinite loop somewhere.
Probably you've added the same instance of a view twice somewhere in your hierarchy and now you've got a cycle.
Fix that. And fix your layout. I can't see a reason to have such a complex layout.