Are you saying when you press back from Activity A you are somehow going back 
to Activity B?

If so it sounds like you have multiple instances of Activity B already on the 
stack, when starting Activity B you can add the intent flag 
Intent.FLAG_ACTIVITY_CLEAR_TOP to make sure you only ever have one instance:

Intent intent = new Intent(this, ActivityB.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);  
startActivity(intent);

I'm not sure I fully understand your situation so please feel free to provide 
more details if this is along the wrong lines.

Regards,
Richard

On 20 Oct 2010, at 12:07, Donald wrote:

> hi guys,
> 
> Assume i have two activities Activity A and B
> 
> Activity B will display a list
> 
> which will display a 25 result list. this also contains a pagination
> logic. if user select next it will display the next 25 result list.
> 
> so assume that user is in the third page. from the third page if user
> selects back i want display Activity A. which i have already done.
> 
> but when i click back button from Activity A i want to exit the
> application so once i press the back button from Activity A i use
> finish()
> 
> but Application will not exit.
> 
> rather it displays the 1,2 list results then only application will
> exit.
> 
> i want to achieve this with out setting the noHistory attribute in
> manifest.
> 
> ragards,
> 
> Mike
> 
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