setViewModel method is not available

Android Programming (3rd Edition) 20. Data Binding and MVVM
1

mBinding.setViewModel(new SoundViewModel(mBeatBox));

would you help me please

2

Make sure you’ve updated your XML to list add a variable. The variable is called ‘viewmodel’ so a setViewModel method is generated for you.

3

I have the same issue. I have done everything as specified and even rebuilt the project. But the problem persists. Any ideas?

4

Solved. Just had to close and reopen Android Studio