Switch from ListView to sub ListView in Android
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I have an app where the MainActivity creates an ActionBar with tabs (used ActionBarSherlock for this).

Each tab loads a fragment. One fragment has a ListView in which i load items. Each item responds to an OnItemClick event.

When an item is clicked then the app gets data from a webserver. I want to show that data in a new ListView. But that's where i'm stuck.

How can i switch from my first main ListView to a 'sub' ListView?

Keep in mind that my current View is a fragment and that it's loaded inside a tab. I want to remain on the same tab when i show the new 'sub' ListView.

Also, when i push the back button on the Android device, then i want it to show the main ListView again.

So actually, kinda like the iPhone does it with their TableView.