Customizing tab indicator images in android?

how to change the tab indicator'开发者_C百科s images in android? there is a tab_indicator.xml file in-built in android sdk. in that the Relative layout has the background as a tab_indicator file as background. how to customize this images in tab_indicator and set our new images? I have a problem that the not selected tabs are highlighted with a white under line.because of those images. how to customize it?

That RelativeLayout doesn't have the id to access.how can i?Any Idea? Please help.

Note: Reto Meier's answer a year ago says. its not possible at that time. what about now?

I'm not sure that i 100% understand the problem. If you want custom view as your tab indicator there is API for that http://developer.android.com/reference/android/widget/TabHost.TabSpec.html#setIndicator(android.view.View)