Change SherlockActionBar line color dynamically

Question

I want to change the color of the bottomline of the sherlock actionbar.

But I want to change it dynamically.

When the user is offline I want it to appear red, when he is logging on I want it orange and when he is succesfully connected the line should be green.

How can I achieve this?
Thanks.

Answer 1

I found a solution in case anyone wants to do this.
I used this website to make 3 styles and took the 'ab_transparent' resource out of the zip.

To set the actionbar on runtime I used

getSupportActionBar().setBackgroundDrawable(getResources().getDrawable(R.drawable.ab_transparent_connecting));   

Sidenote: this worked perfectly on android 4.0+ but on <4.0 I had to call

this.supportInvalidateOptionsMenu();

after setting the backgrounddrawable for it to take effect.