Adapt PR comments

- Add m_SilentInForeground variable to keep ShowInForeground public variable backward compatible since ShowInForeground should be true by default behaviour.
- Value of SHOW_IN_FOREGROUND is namespaced to avoid conflicts.

Author: serefbulbul

com.unity.mobile.notifications/Runtime/Android/AndroidNotification.cs

@@ -180,13 +180,18 @@ public DateTime CustomTimestamp
         /// <summary>
         /// Set this notification to be shown when app is in the foreground.
         /// </summary>
-        public bool ShowInForeground { get; set; }
+        public bool ShowInForeground
+        {
+            get => !m_SilentInForeground;
+            set => m_SilentInForeground = !value;
+        }
 
         internal bool ShowCustomTimestamp { get; set; }
 
         private Color m_Color;
         private TimeSpan m_RepeatInterval;
         private DateTime m_CustomTimestamp;
+        private bool m_SilentInForeground;
 
         /// <summary>
         /// Create a notification struct with all optional fields set to default values.
@@ -213,11 +218,11 @@ public AndroidNotification(string title, string text, DateTime fireTime)
             GroupAlertBehaviour = GroupAlertBehaviours.GroupAlertAll;
             ShowTimestamp = false;
             ShowCustomTimestamp = false;
-            ShowInForeground = true;
 
             m_RepeatInterval = (-1L).ToTimeSpan();
             m_Color = new Color(0, 0, 0, 0);
             m_CustomTimestamp = (-1L).ToDatetime();
+            m_SilentInForeground = false;
         }
 
         /// <summary>

com.unity.mobile.notifications/Runtime/Android/Plugins/com/unity/androidnotifications/UnityNotificationManager.java

@@ -56,7 +56,7 @@ public class UnityNotificationManager extends BroadcastReceiver {
     protected static final String KEY_NOTIFICATION = "unityNotification";
     protected static final String KEY_SMALL_ICON = "smallIcon";
     protected static final String KEY_CHANNEL_ID = "channelID";
-    protected static final String SHOW_IN_FOREGROUND = "showInForeground";
+    protected static final String SHOW_IN_FOREGROUND = "com.unity.showInForeground";
 
     protected static final String NOTIFICATION_CHANNELS_SHARED_PREFS = "UNITY_NOTIFICATIONS";
     protected static final String NOTIFICATION_CHANNELS_SHARED_PREFS_KEY = "ChannelIDs";