Add setting for exact scheduling

Author: aurimasc

com.unity.mobile.notifications/Editor/AndroidExactSchedulingOption.cs

@@ -0,0 +1,29 @@
+using System;
+
+namespace Unity.Notifications
+{
+    /// <summary>
+    /// Whether to schedule notifications at exact time or approximately (saves power).
+    /// Exact scheduling is available in Android 6 (API 23) and newer, lower versions always use inexact scheduling.
+    /// Android 12 (API 31) or newer requires SCHEDULE_EXACT_ALARM permission and grant from user to use exact scheduling.
+    /// Android 13 (API 33) or newer can use USE_EXACT_ALARM permission to use exactscheduling without requesting users grant.
+    /// </summary>
+    [Flags]
+    public enum AndroidExactSchedulingOption
+    {
+        /// <summary>
+        /// Use exact scheduling when possible.
+        /// </summary>
+        ExactWhenAvailable = 1,
+
+        /// <summary>
+        /// Add SCHEDULE_EXACT_ALARM permission to the manifest.
+        /// </summary>
+        AddScheduleExactPermission = 1 << 1,
+
+        /// <summary>
+        /// Add USE_EXACT_ALARM permission to the manifest.
+        /// </summary>
+        AddUseExactAlarmPermission = 1 << 2,
+    }
+}

com.unity.mobile.notifications/Editor/AndroidExactSchedulingOption.cs.meta

@@ -50,6 +50,7 @@ private static T GetSettingValue<T>(BuildTargetGroup target, string key)
         public static class AndroidSettings
         {
             internal static readonly string RESCHEDULE_ON_RESTART = "UnityNotificationAndroidRescheduleOnDeviceRestart";
+            internal static readonly string EXACT_ALARM = "UnityNotificationAndroidScheduleExactAlarms";
             internal static readonly string USE_CUSTOM_ACTIVITY = "UnityNotificationAndroidUseCustomActivity";
             internal static readonly string CUSTOM_ACTIVITY_CLASS = "UnityNotificationAndroidCustomActivityString";
 

com.unity.mobile.notifications/Editor/NotificationSettings.cs

@@ -154,6 +154,11 @@ public static NotificationSettingsManager Initialize()
                     "Reschedule on Device Restart",
                     "Enable this to automatically reschedule all non-expired notifications after device restart. By default AndroidSettings removes all scheduled notifications after restarting.",
                     settingsManager.GetOrAddNotificationSettingValue(NotificationSettings.AndroidSettings.RESCHEDULE_ON_RESTART, false, true)),
+                new NotificationSetting(
+                    NotificationSettings.AndroidSettings.EXACT_ALARM,
+                    "Schedule at exact time",
+                    "Whether notifications should appear at exact time or approximate",
+                    settingsManager.GetOrAddNotificationSettingValue(NotificationSettings.AndroidSettings.EXACT_ALARM, (AndroidExactSchedulingOption)0, true)),
                 new NotificationSetting(
                     NotificationSettings.AndroidSettings.USE_CUSTOM_ACTIVITY,
                     "Use Custom Activity",

com.unity.mobile.notifications/Editor/NotificationSettingsManager.cs

@@ -350,6 +350,10 @@ private int DrawSettingElements(Rect rect, BuildTargetGroup buildTarget, List<No
                     if ((iOSAuthorizationOption)setting.Value == 0)
                         setting.Value = (AuthorizationOption)(iOSAuthorizationOption.Badge | iOSAuthorizationOption.Sound | iOSAuthorizationOption.Alert);
                 }
+                else if (setting.Value.GetType() == typeof(AndroidExactSchedulingOption))
+                {
+                    setting.Value = (AndroidExactSchedulingOption)EditorGUILayout.EnumFlagsField((AndroidExactSchedulingOption)setting.Value, dropdownStyle);
+                }
                 if (EditorGUI.EndChangeCheck())
                 {
                     m_SettingsManager.SaveSetting(setting, buildTarget);