How to change default color of progress bar?

Question

I am using a circular ProgressBar in my Activty.My Problem is this it is not visible properly on my page because my page\'s BG color is same as ProgressBar .So

Answer 1

I'm using android 2.3.1 version. I create a xml file called progressbar and call it in the layout progress bar tag android:progressDrawable="@drawable/progressbar"