Layout definition. “You must supply a layout_width attribute.”

Question

I\'m developing a little android app, and I\'m having a problem with a layout, I been trying to find the error in my xml, but I couldn\'t find it...

The error I\'m

Answer 1

In my case, android:layout_width="@dimen/abc_action_bar_progress_bar_size" was set but @dimen/abc_action_bar_progress_bar_size "was private". So instead of complaining about not having access to it, it apparently silently removed it, to complain about it missing later.