void showPracticeUI() { pm.startLeaning();//創建單字練習紀錄 btn_option = new Button[4]; UIManager.Instance.TogglePanel("P_ReviewUI", false); if (!UIManager.Instance.IsUILive("P_PracticeUI")) { UIManager.Instance.ShowPanel("P_PracticeUI"); } score.SetActive(true); VocabularyAS = GetComponentsInChildren <AudioSource>()[2]; text_totalQues = GetComponentsInChildren <Text>()[1]; text_Question = GetComponentsInChildren <Text>()[2]; for (int i = 0; i < btn_option.Length; i++) { btn_option[i] = GetComponentsInChildren <Button>()[i + 1]; } c_original = btn_option[0].GetComponent <Image>().color; btn_option[0].onClick.AddListener(delegate() { StartCoroutine(compareAns(0, quesID)); }); btn_option[1].onClick.AddListener(delegate() { StartCoroutine(compareAns(1, quesID)); }); btn_option[2].onClick.AddListener(delegate() { StartCoroutine(compareAns(2, quesID)); }); btn_option[3].onClick.AddListener(delegate() { StartCoroutine(compareAns(3, quesID)); }); initialQuestion(); }