Good helps on working with tabhost and tabwidget in android.

How to make the the tabs left-aligned in landscape mode:
http://stackoverflow.com/questions/4149953/androidorientation-vertical-does-not-work-for-tabwidget

2 Methods of creating tab content:
http://stackoverflow.com/questions/4209587/android-tabhost-working-in-activity-class

I created a demo project based on the above discussion here.