Solved by verified expert:This is only for android proficient tutors.This is from the 2nd Edition Android Programming Big Nerd Ranch Guide – Chapter 2.This was for my Listener, added to the Quiz activity:mQuestionTextView = (TextView)findViewById(R.id.question_text_view); mQuestionTextView.setOnClickListener(new View.OnClickListener(){ @Override public void onClick(View V){ mCurrentIndex = (mCurrentIndex+1)%mQuestionBank.length; updateQueston(); }I added this to the XML:This still isn’t functioning as a proper listener :|In addition, I need to add a ‘previous button’ to pull users back to the previous question, but for some reason my code isn’t working. I could use some help in getting this to work.In my strings xml file, I added this:PreviousChanged the new layout xml to this: