I have 4 activities. A,B,C and D.
From each activity user can start any activity.
i.e. Activity A has 3 buttons to start B,C and D. In same way all other activities also has 3 buttons.
Now my question is If user go in this sequence A->B->C->B.Now If user press back button then this sequence happens. B->C->->B->A. I want to change in this way B->->C->A. how can i do this?
I don’t clearly understand your question, but maybe try use:
You want to keep the same instance all the time, not create a new one, yes?