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Это BroadcastReceiver, расширенное до RebootManager. Проблема в том, что при перезагрузке или перезапуске мобильного устройства уведомления не отображаются. у меня включены все три вызова сброса загрузки в действии фильтра намерений, но я не вижу, что не так. было бы неплохо, если бы кто-нибудь мог помочь с этим кодом. приложение отображает уведомление, если мобильный телефон не перезагружен, но при перезагрузке мобильный телефон теряет данные для уведомления.

 import java.util.Iterator;
import android.content.Intent;
import android.content.Context;
import android.content.BroadcastReceiver;

public class RebootManager extends BroadcastReceiver
{
    public void onReceive(final Context context, final Intent intent) {
        for (final int id : Storage.GetNotificationIds(context)) {
            final NotificationParams params = Storage.GetNotification(context, id);
            if (params != null) {
                Controller.SetNotification(context, params);
            }
        }
    }
}
 

 using System;
using UnityEngine;

namespace Assets.SimpleAndroidNotifications
{
    public class NotificationExample : MonoBehaviour
    {
        
        public void ScheduleSimple()
        {
            NotificationManager.Send(TimeSpan.FromSeconds(120), "Simple notification", "Customize icon and color", new Color(1, 0.3f, 0.15f));
        }

        public void ScheduleNormal()
        {
            NotificationManager.SendWithAppIcon(TimeSpan.FromSeconds(120), "Notification", "Notification with app icon", new Color(0, 0.6f, 1), NotificationIcon.Message);
        }
        public void ScheduleNormal2()
        {
            NotificationManager.SendWithAppIcon(TimeSpan.FromSeconds(120), "Notification", "Notification with app icon", new Color(0, 0.6f, 1), NotificationIcon.Message);
        }
        public void ScheduleCustom()
        {
            var notificationParams = new NotificationParams
            {
                Id = UnityEngine.Random.Range(0, int.MaxValue),
                Delay = TimeSpan.FromSeconds(120),
                Title = "Custom notification",
                Message = "Message",
                Ticker = "Ticker",
                Sound = true,
                Vibrate = true,
                Light = true,
                SmallIcon = NotificationIcon.Heart,
                SmallIconColor = new Color(0, 0.5f, 0),
                LargeIcon = "app_icon"
            };

            NotificationManager.SendCustom(notificationParams);
        }

        public void CancelAll()
        {
            NotificationManager.CancelAll();
        }

    }
}
 

 <?xml version="1.0" encoding="utf-8"?>
<manifest
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    package="com.hippogames.simpleandroidnotifications"
    android:versionCode="1"
    android:versionName="1.0">
    <uses-permission android:name="android.permission.VIBRATE" />
    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
    <uses-sdk android:minSdkVersion="15" />
    <application android:largeHeap="true" android:allowBackup="true" android:directBootAware="true"
        android:label="@string/app_name"
        android:debuggable="true">
        <activity android:name="com.unity3d.player.UnityPlayerActivity" android:launchMode="singleTask"
                  android:label="@string/app_name">
            <intent-filter>
                    <action android:name="android.intent.action.MAIN" />
                    <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>        
            <meta-data android:name="unityplayer.UnityActivity" android:value="true" />
        </activity> 
        <receiver android:name="com.hippogames.simpleandroidnotifications.Controller" />
        <receiver android:name="com.hippogames.simpleandroidnotifications.RebootManager" 
            android:directBootAware="true"
            android:enabled="true"
            android:exported="true">
            <intent-filter>
                    <action android:name="android.intent.action.BOOT_COMPLETED" />
                    <action android:name="android.intent.action.QUICKBOOT_POWERON" />
                    <action android:name="android.intent.action.LOCKED_BOOT_COMPLETED" />
            </intent-filter>
        </receiver>
    </application>
</manifest>

 

 using System;
using UnityEngine;

#if UNITY_ANDROID amp;amp; !UNITY_EDITOR

using System.Linq;

#endif

namespace Assets.SimpleAndroidNotifications
{
    public static class NotificationManager
    {
        #if UNITY_ANDROID amp;amp; !UNITY_EDITOR

        private const string FullClassName = "com.hippogames.simpleandroidnotifications.Controller";
        private const string MainActivityClassName = "com.unity3d.player.UnityPlayerActivity";

        #endif

        /// <summary>
        /// Schedule simple notification without app icon.
        /// </summary>
        /// <param name="smallIcon">List of build-in small icons: notification_icon_bell (default), notification_icon_clock, notification_icon_heart, notification_icon_message, notification_icon_nut, notification_icon_star, notification_icon_warning.</param>
        public static int Send(TimeSpan delay, string title, string message, Color smallIconColor, NotificationIcon smallIcon = 0)
        {
            return SendCustom(new NotificationParams
            {
                Id = UnityEngine.Random.Range(0, int.MaxValue),
                Delay = delay,
                Title = title,
                Message = message,
                Ticker = message,
                Sound = true,
                Vibrate = true,
                Light = true,
                SmallIcon = smallIcon,
                SmallIconColor = smallIconColor,
                LargeIcon = ""
            });
        }

        /// <summary>
        /// Schedule notification with app icon.
        /// </summary>
        /// <param name="smallIcon">List of build-in small icons: notification_icon_bell (default), notification_icon_clock, notification_icon_heart, notification_icon_message, notification_icon_nut, notification_icon_star, notification_icon_warning.</param>
        public static int SendWithAppIcon(TimeSpan delay, string title, string message, Color smallIconColor, NotificationIcon smallIcon = 0)
        {
            return SendCustom(new NotificationParams
            {
                Id = UnityEngine.Random.Range(0, int.MaxValue),
                Delay = delay,
                Title = title,
                Message = message,
                Ticker = message,
                Sound = true,
                Vibrate = true,
                Light = true,
                SmallIcon = smallIcon,
                SmallIconColor = smallIconColor,
                LargeIcon = "app_icon"
            });
        }

        /// <summary>
        /// Schedule customizable notification.
        /// </summary>
        public static int SendCustom(NotificationParams notificationParams)
        {
            #if UNITY_ANDROID amp;amp; !UNITY_EDITOR

            var p = notificationParams;
            var delay = (long) p.Delay.TotalMilliseconds;

            new AndroidJavaClass(FullClassName).CallStatic("SetNotification", p.Id, delay, p.Title, p.Message, p.Ticker,
                p.Sound ? 1 : 0, p.Vibrate ? 1 : 0, p.Light ? 1 : 0, p.LargeIcon, GetSmallIconName(p.SmallIcon), ColotToInt(p.SmallIconColor), MainActivityClassName);

            #else
            
            Debug.LogWarning("Simple Android Notifications are not supported for current platform. Build and play this scene on android device!");

            #endif

            return notificationParams.Id;
        }

        /// <summary>
        /// Cancel notification by id.
        /// </summary>
        public static void Cancel(int id)
        {
            #if UNITY_ANDROID amp;amp; !UNITY_EDITOR

            new AndroidJavaClass(FullClassName).CallStatic("CancelScheduledNotification", id);

            #endif
        }
                
        /// <summary>
        /// Cancel all notifications.
        /// </summary>
        public static void CancelAll()
        {
            #if UNITY_ANDROID amp;amp; !UNITY_EDITOR

            new AndroidJavaClass(FullClassName).CallStatic("CancelAllScheduledNotifications");

            #endif
        }

        private static int ColotToInt(Color color)
        {
            var smallIconColor = (Color32) color;
            
            return smallIconColor.r * 65536   smallIconColor.g * 256   smallIconColor.b;
        }

        private static string GetSmallIconName(NotificationIcon icon)
        {
            return "anp_"   icon.ToString().ToLower();
        }
    }
}
 

RECEIVE_BOOT_COMPLETED в вашем манифесте отсутствует разрешение, по умолчанию Android удаляет уведомления после загрузки. Это должно дать вам желаемый результат.

Вот документация, как это сделать, если вы используете тот же ресурс:

https://docs.unity3d.com/Packages/com.unity.mobile.notifications@1.3/manual/Settings.html