What should I do with this? It says that the text in bold is an unexpected symbol. I'm following the youtube tutorial of Unity for the Quiz Game. It's my first time using Unity please help me. Thank you.

Questions & Answers
1

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using UnityEngine.SceneManagement;
using System.Collections.Generic;

public class GameController : MonoBehaviour {

public Text questionText;
public SimpleObjectPool answerButtonGameObjectsPool;
public Transform answerButtonParent;

private DataController dataController;
private RoundData currentRoundData;
private QuestionData[] questionPool;

private bool isRoundActive;
private float timeRemaining;
private int questionIndex;
private int playerScore;
private List<GameObject> answerButtonGameObjects = new List<GameObject>();

// Use this for initialization
void Start () 
{
	dataController = FindObjectOfType<DataController> ();
	currentRoundData = dataController.GetCurrentRoundData ();
	questionPool = currentRoundData.questions;
	timeRemaining = currentRoundData.timeLimitInSeconds;

	playerScore = 0;
	questionIndex = 0;

	showQuestion ();
	isRoundActive = true;
}

private void showQuestion()
{
	RemoveAnswerButtons ();
	QuestionData questionData = questionPool [questionIndex];
	questionText.text = questionData.questionText;

	for (int i = 0; i < questionData.answers.Length; i++) 
	{
		GameObject answerButtonGameObjects = answerButtonGameObjectsPool.GetObject ();
		answerButtonGameObjects.transform.SetParent (answerButtonParent);

		AnswerButton answerButton = answerButtonGameObjects.GetComponent<AnswerButton> ();
		answerButton.Setup (questionData.answers *);*

  •   }*

  •   answerButtonGameObjects.Add (answerButtonGameObjects);*

  • }*

  • private void RemoveAnswerButtons()*

  • {*

  •   while (answerButtonGameObjects.Count > 0)*

  •   	answerButtonObjectsPool.ReturnObejct(answerButtonGameObjects[0])*

_ answerButtonGameObjects.RemoveAt(0);_

  • }*

  • // Update is called once per frame*

  • void Update () {*

  • }*
    }

2

As Paul said, ReturnObject is misspelled, but if it is misspelled in the answerButtonObjectsPool it might be fine. Your actual problem is the missing ; on the line BEFORE the one you highlighted.
Just put a ; at the end of that previous line, and you should be good.

Hope this helps,
-Larry

3

Thank you, I fixed the misspelled words. After saving the script, these errors showed up.

Assets/GameController.cs(53,27): error CS1502: The best overloaded method match for `System.Collections.Generic.List.Add(UnityEngine.GameObject)’ has some invalid arguments

Assets/GameController.cs(53,32): error CS1503: Argument #1' cannot convert System.Collections.Generic.List’ expression to type `UnityEngine.GameObject’

4

What should I make for this error? Assets/GameController.cs(72,36): error CS1061: Type RoundData' does not contain a definition for pointsAddedForCorrectAnswer’ and no extension method pointsAddedForCorrectAnswer' of type RoundData’ could be found. Are you missing an assembly reference?

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using UnityEngine.SceneManagement;
using System.Collections.Generic;

public class GameController : MonoBehaviour {

public Text questionDisplayText;
public Text scoreDisplayText;
public SimpleObjectPool answerButtonGameObjectsPool;
public Transform answerButtonParent;
public GameObject questionDisplay;
public GameObject roundEndDisplay;

private DataController dataController;
private RoundData currentRoundData;
private QuestionData[] questionPool;

private bool isRoundActive;
private float timeRemaining;
private int questionIndex;
private int playerScore;
private List<GameObject> answerButtonGameObjects = new List<GameObject>();

// Use this for initialization
void Start () 
{
	dataController = FindObjectOfType<DataController> ();
	currentRoundData = dataController.GetCurrentRoundData ();
	questionPool = currentRoundData.questions;
	timeRemaining = currentRoundData.timeLimitInSeconds;

	playerScore = 0;
	questionIndex = 0;

	showQuestion ();
	isRoundActive = true;
}

private void showQuestion()
{
	RemoveAnswerButtons ();
	QuestionData questionData = questionPool [questionIndex];
	questionDisplayText.text = questionData.questionText;

	for (int i = 0; i < questionData.answers.Length; i++) 
	{
		GameObject answerButtonGameObjects = answerButtonGameObjectsPool.GetObject ();
		answerButtonGameObjects.transform.SetParent (answerButtonParent);

		AnswerButton answerButton = answerButtonGameObjects.GetComponent<AnswerButton> ();
		answerButton.Setup (questionData.answers *);*

  •   }*

  • }*

  • private void RemoveAnswerButtons()*

  • {*

  •   while (answerButtonGameObjects.Count > 0)*

  •   	answerButtonGameObjectsPool.ReturnObject (answerButtonGameObjects [0]);*

  •   	answerButtonGameObjects.RemoveAt(0);*

  • }*

  • public void AnswerButtonClicked(bool isCorrect)*

  • {*

  •   if (isCorrect)* 

  •   {*

_ playerScore += currentRoundData.pointsAddedForCorrectAnswer;_

  •   	scoreDisplayText.text = "Score: " + playerScore.ToString ();*

  •   }*

  •   if (questionPool.Length > questionIndex + 1) {*

  •   	questionIndex++;*

  •   	showQuestion ();*

  •   }* 

  •   else*

  •   {*

  •   	EndRound ();*

  •   }*

  • }*

  • public void EndRound()*

  • {*

  •   isRoundActive = false;*

  •   questionDisplay.SetActive (false);*

  •   roundEndDisplay.SetActive (true);*

  • }*

  • // Update is called once per frame*

  • void Update () {*

  • }*
    }