Unity3D IOS后台推送

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Runtime.InteropServices;
using System;
using UnityEngine.iOS; //引入命名空间

public class UnityToIOSManager : MonoBehaviour
{
static UnityToIOSManager mInstance;
static long lastTime;

int PushIndex;//推送
string PushText; //推送信息

private void Awake()
{
Screen.sleepTimeout = SleepTimeout.NeverSleep;//游戏运行时禁止休眠，游戏在前台时可以保持屏幕长亮
if (mInstance == null)
mInstance = this;
//先清空本地消息，然后注册
UnityEngine.iOS.NotificationServices.RegisterForNotifications(NotificationType.Badge | NotificationType.Alert | NotificationType.Sound);
CleanNotification();

DontDestroyOnLoad(this);

}
//当有多条推送时，每次进入游戏时更换推送消息
private void Push()
{
#region 推送条目记录
PushIndex = PlayerPrefs.GetInt("Push");
PushIndex++;
if (PushIndex > 4)
PushIndex = 1;
PlayerPrefs.SetInt("Push", PushIndex);
PlayerPrefs.Save();
PushText = LanguageMananger.GetPushText(PushIndex);
#endregion
}

//后台消息通知
//本地推送
public static void NotificationMessage(string message, int hour, bool isRepeatDay)
{
int year = System.DateTime.Now.Year;
int month = System.DateTime.Now.Month;
int day = System.DateTime.Now.Day;
System.DateTime newDate = new System.DateTime(year, month, day, hour, 0, 0);
NotificationMessage(message, newDate, isRepeatDay);

}
//本地推送 你可以传入一个固定的推送时间
public static void NotificationMessage(string message, System.DateTime newDate, bool isRepeatDay)
{
if (isRepeatDay && newDate <= System.DateTime.Now)
{
newDate = newDate.AddDays(1);
}
//推送时间需要大于当前时间
if (newDate > System.DateTime.Now)
{
UnityEngine.iOS.LocalNotification localNotification = new UnityEngine.iOS.LocalNotification();
localNotification.fireDate = newDate;
localNotification.alertBody = message;
localNotification.applicationIconBadgeNumber = 1;
localNotification.hasAction = true;
if (isRepeatDay)
{
//是否每天定期循环
localNotification.repeatCalendar = UnityEngine.iOS.CalendarIdentifier.ChineseCalendar;
localNotification.repeatInterval = UnityEngine.iOS.CalendarUnit.Day;
}
localNotification.soundName = UnityEngine.iOS.LocalNotification.defaultSoundName;
UnityEngine.iOS.NotificationServices.ScheduleLocalNotification(localNotification);
}
}

void OnApplicationPause(bool paused)
{
//程序进入后台时
if (paused)
{
Push();
//每天中午12点推送
NotificationMessage(PushText, 19, true);
//10s后发送
NotificationMessage("10秒后发送",System.DateTime.Now.AddSeconds(10),false);
//时间戳
TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
lastTime = Convert.ToInt64(ts.TotalSeconds);
}
else
{
//程序从后台进入前台时
CleanNotification();
TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
long nowTime = Convert.ToInt64(ts.TotalSeconds);
if(nowTime - lastTime > 180)
{
//这个是判断程序退出到后台超出多久之后
//然后进行其他操作，播放广告，或是提醒什么的
}
}

}

//清空所有本地消息
void CleanNotification()
{
UnityEngine.iOS.LocalNotification l = new UnityEngine.iOS.LocalNotification();
l.applicationIconBadgeNumber = -1;
UnityEngine.iOS.NotificationServices.PresentLocalNotificationNow(l);
Invoke("WaitOneFrameClear",0);
}
//延迟一帧执行，不然没法清理
void WaitOneFrameClear()
{
UnityEngine.iOS.NotificationServices.CancelAllLocalNotifications();
UnityEngine.iOS.NotificationServices.ClearLocalNotifications();
}

}