I am on page 320 and working through two pane layouts. Unfortunately the page references SingleFragmentActivity.java and I cannot remember creating that java class. I looked through the book and can’t find a reference to it. Does anyone know where it could be? Online I have found versions of this code that extends FragmentActivity instead of AppCompatActivity.
Could someone please help me find where the SingleFragmentActivity java class was created? I am reading the 3rd edition.