This tutorial should help you understand how to implementing a custom TabHost that contains a ListView in Android.
Have you ever thought about or performed user testing for your product? Have you ever thought about using any of the user testing websites to understand how users think about your product?
Then here are some warnings/advice you might need to consider.
Are you one of those people who work so hard? Are you one of those people who are self motivated and always trying to be the hardest worker in the room?
If the answer is yes, then this article is for you.