test/Assets/InfraredDemo/Scripts/SettingPanel.cs

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

namespace InfraredDLLManager
{
    public class SettingPanel : MonoBehaviour
    {

        public Dropdown dropdown;


        int selectIndex = 0;
        //void Awake()
        //{

        //}
        public void onSettingPanel_Init()
        {
            int tempIndex = PlayerPrefs.GetInt("resolutionSelectIndex", 0);
            selectIndex = tempIndex;
            Debug.Log("selectIndex:" + tempIndex);
            selectvalue(selectIndex);
        }
        void Start()
        {
            //宽屏 设置几个宽屏分辨率
            //List<string> temp = new List<string> { "1280x720", "1024x600", "800x480", "400x240" };
            //dropdown.AddOptions(temp);
            dropdown.options.Add(new Dropdown.OptionData("1280x720")); //WXGA
            dropdown.options.Add(new Dropdown.OptionData("640x480")); //VGA
            dropdown.options.Add(new Dropdown.OptionData("320x240")); //QVGA
            dropdown.value = selectIndex;
            //Debug.Log("dropdown.value:" + dropdown.value);
            dropdown.onValueChanged.AddListener(delegate
            {
                selectvalue(dropdown.value);
            });
        }
        private void selectvalue(int value)
        {

            switch (value)
            {
                case 0:
                    setSize(1280, 720);
                    break;
                case 1:
                    setSize(640, 480);
                    break;
                case 2:
                    setSize(320, 240);
                    break;
                default:
                    setSize(1280, 720);
                    break;
            }
            selectIndex = value;

            //Debug.Log(selectIndex);
        }

        void setSize(int width, int height)
        {
            //uVCManager.DefaultWidth = width;
            //uVCManager.DefaultHeight = height;

            //uVCDrawer.DefaultWidth = width;
            //uVCDrawer.DefaultHeight = height;

        }

        public void openSettingPanel()
        {
            gameObject.SetActive(true);
        }
        public void backEvent()
        {
            gameObject.SetActive(false);
        }

        public void restartEvent()
        {
            PlayerPrefs.SetInt("resolutionSelectIndex", selectIndex);
            PlayerPrefs.Save();
            Debug.Log("restartEvent:" + selectIndex);
            if (!Application.isEditor)
            {
                StartCoroutine(RestartOrKillApp());
            };
        }

        IEnumerator RestartOrKillApp()
        {
            yield return new WaitForSeconds(0.3f);

            if (Application.platform == RuntimePlatform.Android)
            {
                using (var unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
                {
                    const int kIntent_FLAG_ACTIVITY_CLEAR_TASK = 0x00008000;
                    const int kIntent_FLAG_ACTIVITY_NEW_TASK = 0x10000000;

                    var currentActivity = unityPlayer.GetStatic<AndroidJavaObject>("currentActivity");
                    var pm = currentActivity.Call<AndroidJavaObject>("getPackageManager");
                    var intent = pm.Call<AndroidJavaObject>("getLaunchIntentForPackage", Application.identifier);

                    intent.Call<AndroidJavaObject>("setFlags", kIntent_FLAG_ACTIVITY_NEW_TASK | kIntent_FLAG_ACTIVITY_CLEAR_TASK);
                    currentActivity.Call("startActivity", intent);
                    currentActivity.Call("finish");
                    var process = new AndroidJavaClass("android.os.Process");
                    int pid = process.CallStatic<int>("myPid");
                    process.CallStatic("killProcess", pid);
                }

            }
            else
            {
                Application.Quit();
            }

        }
    }
}