I am new to Android, and before starting programming i found that now a days many of the apps are using Fragments, especially Tab with
I use Jeff Gilfelt,s Android Action Bar Style Generator. You can use GUI to style your tabs and at the end you get the source code which you can use, review and modify accordingly. :)
Here's a link.
http://jgilfelt.github.io/android-actionbarstylegenerator/#name=example&compat=holo&theme=light&actionbarstyle=solid&texture=0&hairline=0&neutralPressed=1&backColor=E4E4E4%2C100&secondaryColor=D6D6D6%2C100&tabColor=33B5E5%2C100&tertiaryColor=F2F2F2%2C100&accentColor=33B5E5%2C100&cabBackColor=FFFFFF%2C100&cabHighlightColor=33B5E5%2C100