Often times when creating an activity with tabs, it’s easy to have a separate activity for the tab content. However, things get tricky when those activities need to interact with one another.
So the solution is to create a tabactivity with views (instead of activities) as the tab content. We see a very simple example of this in the official Android tutorial Hello, TabWidget.
In this tutorial, we will create a slightly more advanced application. We will have two listviews as the content of a tabactivity and have them interact with one another (basically by clicking the items of one list view will add them to the second list view). Continue reading