What's the meaning of android:progressBarStyle attribute in ProgressBar?

Question

I\'ve been looking through the documentation for ProgressBar class and found these attributes:

• android:progressBarStyle
• android:progressB

Answer 1

The confusing part is that normally, you can define a default style for a widget (e.g. a button) like this:

@style/Widget.AppCompat.Button.Colored

All buttons will then by default have this style applied.

One would think that the progressBarStyle attribute would do the same for ProgressBar if doing this:

@style/Widget.AppCompat.ProgressBar

But that is not the case, since progressBarStyle belongs to the ActionBar styleable.