How to clear previous activity in a application use TabActivities which every tab is a activity
<p>In scerenio, I have application calllog include 4 tabs ,first tab list all calls , the second list outgoing calls, the third is incoming calls, the fourth lists miss calls.Every tab is implement by activity.</p>

<p>when i enter my app , tab all calls is set first.After that there is a missed call on status bar.And i press icon missed calls,my app is implemented to launch tab missed call.At this time , I press Back button , it back tab all calls in my app.But I dont want to back tab all calls, i want to back activity before activity for tabs all calls.Do you have any way to do this?please help me , thanks a lot.</p>
