// Method will be called when a button is clicked to answer a question.
// It will grey out all the answers except the correct one, which will be in green
// if the user selected the wrong answer, it will be shown in red.
public void checkAnswer(View v) {
buttons[0] = (Button) findViewById(R.id.button1);
buttons[1] = (Button) findViewById(R.id.button2);
buttons[2] = (Button) findViewById(R.id.button3);
buttons[3] = (Button) findViewById(R.id.button4);
Button btnChosen = (Button) findViewById(v.getId());
TextView scoreView = (TextView) findViewById(R.id.evScore);
/* can change getText to getKey and set a key in the xml*/
// checks the buttons text against the Question
boolean correct = currentQuestion.checkAnswer(btnChosen);
if (correct) {
btnChosen.setBackgroundColor(Color.GREEN);
score++;
scoreView.setText(Integer.toString(score));
btnChosen.setEnabled(false);
} else btnChosen.setBackgroundColor(Color.RED);
for (int i = 0; i < 4; i++) {
if (btnChosen.equals(buttons[i])) continue;
if (currentQuestion.checkAnswer(buttons[i])) buttons[i].setBackgroundColor(Color.GREEN);
else buttons[i].setBackgroundColor(Color.GRAY);
buttons[i].setEnabled(false);
}
// savedInstanceState.putInt(KEY_SCORE, score);
}
public void findCorrect(Button btnSkip) {
// finds the correct answer and makes it green all others are gray
for (int i = 0; i < 4; i++) {
if (btnSkip.equals(buttons[i])) continue;
if (currentQuestion.checkAnswer(buttons[i])) buttons[i].setBackgroundColor(Color.GREEN);
else buttons[i].setBackgroundColor(Color.GRAY);
}
}