code: private void obtainShowDialogDividersOnScroll(@NonNull final TypedArray typedArray) {
          showDialogDividersOnScroll(typedArray
                  .getBoolean(R.styleable.DialogPreference_showDialogDividersOnScroll, true));
      }
docs: Obtains, whether the dividers, which are shown above and below the list view of the
  preference's dialog, should be shown when the list view is scrolled, or not, from a specific
  typed array.
  
  @param typedArray
  The typed array, the boolean value should be obtained from, as an instance of the
  class {@link TypedArray}. The typed array may not be null