             View AnswerButton0 = findViewById(R.id.answerbutton0);             AnswerButton0.setOnClickListener(this);             View AnswerButton0 = findViewById(R.id.answerbutton0);             AnswerButton0.setOnClickListener(this);             View AnswerButton0 = findViewById(R.id.answerbutton0);             AnswerButton0.setOnClickListener(this);             View AnswerButton0 = findViewById(R.id.answerbutton0);             AnswerButton0.setOnClickListener(this);             