code: private void adaptButtonTextColor() {
          if (backButton != null) {
              backButton.setTextColor(buttonTextColor);
          }
  
          if (nextButton != null) {
              nextButton.setTextColor(buttonTextColor);
          }
  
          if (finishButton != null) {
              finishButton.setTextColor(buttonTextColor);
          }
      }
docs: Adapts the text color of the dialog's buttons.