android.view.InflateException: Binary XML file line #0: Error inflating class Button

Question

I am following a course on Audacity, and decided to type out all the code, but then I run into an error when I try run the app.

I get the following error:

Answer 1

the button selector is the cause of the problem .. if you read the remaining of the exception, the root cause will be mentioned .. as resource id can't be found !

you have to change your button_selector.xml from:

to:

and it will work fine isA.