【Unity3D ugui】简单控件的事件监听

using UnityEngine;
using UnityEngine.UI;

public class Test : MonoBehaviour
{
private GameObject buttonObj;
private GameObject toggleObj;
private GameObject toggleGroupObj;
private Button button;
private Toggle toggle;
private ToggleGroup toggleGroup;

void Awake()
{
buttonObj = gameObject.transform.FindChild("Button").gameObject;
toggleObj = gameObject.transform.FindChild("Toggle").gameObject;
toggleGroupObj = gameObject.transform.FindChild("ToggleGroup").gameObject;
button = buttonObj.GetComponent<Button>();
toggle = toggleObj.GetComponent<Toggle>();
toggleGroup = toggleGroupObj.GetComponent<ToggleGroup>();
}

void Start()
{
//lambda表达式转换为委托类型
toggle.onValueChanged.AddListener((bool value) => OnToggleClick(toggle, value));

//匿名委托调用
button.onClick.AddListener(delegate()
{
Debug.Log("toggle is " + (toggle.isOn ? "On" : "Off"));
});
}

public void OnToggleClick(Toggle toggle, bool value)
{
Debug.Log("toggle change " + (value ? "On" : "Off"));
}
}