iOS FCM binding & Android 8+ FCM fix issues

src/Firebase.Notifications/Android/Impl.cpp.uxl

@@ -0,0 +1,47 @@
+<Extensions Backend="CPlusPlus" Condition="Android">
+    <Require AndroidManifest.Permission="com.google.android.c2dm.permission.RECEIVE" />
+
+    <Require AndroidManifest.ActivityElement><![CDATA[
+            <intent-filter>
+                <action android:name="fuseFirebaseBackgroundNotify" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+    ]]></Require>
+
+    <Require AndroidManifest.ApplicationElement><![CDATA[
+    <meta-data android:name="com.google.firebase.messaging.default_notification_icon"
+               android:resource="@mipmap/notif" />
+
+    <service android:name="com.fuse.firebase.Notifications.PushNotificationReceiver">
+        <intent-filter>
+            <action android:name="com.google.firebase.MESSAGING_EVENT"/>
+        </intent-filter>
+    </service>
+
+    <meta-data
+            android:name="com.google.firebase.messaging.default_notification_channel_id"
+            android:value="my_package_channel_1"/>
+
+    <service android:name="com.fuse.firebase.Notifications.PushNotificationIDService">
+        <intent-filter>
+            <action android:name="com.google.firebase.INSTANCE_ID_EVENT"/>
+        </intent-filter>
+    </service>
+    ]]></Require>
+
+    <!-- http://iconhandbook.co.uk/reference/chart/android/ -->
+    <!-- pixplicity.com/dp-px-converter/ -->
+    <!-- https://material.google.com/style/icons.html -->
+    <ImageFile Name="@(Project.Android.NotificationIcon.LDPI:Path || Project.Android.Icons.LDPI:Path || '@//Android/Assets/DefaultIcon.png')"
+               TargetWidth="36" TargetName="app/src/main/res/mipmap-ldpi/notif.png" />
+    <ImageFile Name="@(Project.Android.NotificationIcon.MDPI:Path || Project.Android.Icons.MDPI:Path || '@//Android/Assets/DefaultIcon.png')"
+               TargetWidth="48" TargetName="app/src/main/res/mipmap-mdpi/notif.png" />
+    <ImageFile Name="@(Project.Android.NotificationIcon.HDPI:Path || Project.Android.Icons.HDPI:Path || '@//Android/Assets/DefaultIcon.png')"
+               TargetWidth="72" TargetName="app/src/main/res/mipmap-hdpi/notif.png" />
+    <ImageFile Name="@(Project.Android.NotificationIcon.XHDPI:Path || Project.Android.Icons.XHDPI:Path || '@//Android/Assets/DefaultIcon.png')"
+               TargetWidth="96" TargetName="app/src/main/res/mipmap-xhdpi/notif.png" />
+    <ImageFile Name="@(Project.Android.NotificationIcon.XXHDPI:Path || Project.Android.Icons.XXHDPI:Path || '@//Android/Assets/DefaultIcon.png')"
+               TargetWidth="144" TargetName="app/src/main/res/mipmap-xxhdpi/notif.png" />
+    <ImageFile Name="@(Project.Android.NotificationIcon.XXXHDPI:Path || Project.Android.Icons.XXXHDPI:Path || '@//Android/Assets/DefaultIcon.png')"
+               TargetWidth="192" TargetName="app/src/main/res/mipmap-xxxhdpi/notif.png" />
+</Extensions>

src/Firebase.Notifications/Android/Impl.uno

@@ -0,0 +1,144 @@
+using Uno;
+using Uno.Graphics;
+using Uno.Collections;
+using Fuse;
+using Fuse.Controls;
+using Fuse.Triggers;
+using Fuse.Resources;
+
+using Fuse.Platform;
+using Uno.Compiler.ExportTargetInterop;
+using Uno.Compiler.ExportTargetInterop.Android;
+
+namespace Firebase.Notifications
+{
+    [ForeignInclude(Language.Java,
+                    "java.io.IOException",
+                    "android.app.Activity",
+                    "android.content.Intent",
+                    "android.os.AsyncTask",
+                    "android.content.res.Resources",
+                    "android.content.res.AssetManager",
+                    "android.content.res.AssetFileDescriptor",
+                    "android.os.Bundle",
+                    "com.fuse.firebase.Notifications.PushNotificationReceiver",
+                    "com.google.firebase.messaging.RemoteMessage")]
+    [Require("Gradle.Dependency.Compile", "com.google.firebase:firebase-messaging:12.0.1")]
+    extern(Android)
+    internal class AndroidImpl
+    {
+        public static event EventHandler<string> RegistrationSucceeded;
+        public static event EventHandler<string> RegistrationFailed;
+        public static event EventHandler<KeyValuePair<string,bool>> ReceivedNotification;
+
+        static bool _init = false;
+        static List<string> _cachedMessages = new List<string>();
+
+        internal static void Init()
+        {
+            if (!_init)
+            {
+                JInit();
+                _init = true;
+                Lifecycle.EnteringInteractive += OnEnteringInteractive;
+                Lifecycle.ExitedInteractive += OnExitedInteractive;
+            }
+        }
+
+        [Foreign(Language.Java)]
+        static void JInit()
+        @{
+            // Set up vars and hook into fuse intent listeners
+            com.fuse.Activity.subscribeToIntents(
+                new com.fuse.Activity.IntentListener() {
+                    public void onIntent (Intent newIntent) {
+                        String jsonStr = com.fuse.firebase.Notifications.PushNotificationReceiver.ToJsonString(newIntent);
+                        if( jsonStr != "{}")
+                        {
+                            @{OnRecieve(string,bool):Call(jsonStr, false)};
+                        }
+                    }
+                },
+                "android.intent.action.MAIN");
+            String id = com.google.firebase.iid.FirebaseInstanceId.getInstance().getToken();
+            @{getRegistrationIdSuccess(string):Call(id)};
+        @}
+
+
+        [Foreign(Language.Java), ForeignFixedName]
+        static void RegistrationIDUpdated(string regid)
+        @{
+            @{getRegistrationIdSuccess(string):Call(regid)};
+        @}
+
+        static void getRegistrationIdSuccess(string regid)
+        {
+            var x = RegistrationSucceeded;
+            if (x!=null)
+                x(null, regid);
+        }
+
+        static void getRegistrationIdError(string message)
+        {
+            var x = RegistrationFailed;
+            if (x!=null)
+                x(null, message);
+        }
+
+        //----------------------------------------------------------------------
+
+        static void OnEnteringInteractive(ApplicationState newState)
+        {
+            NoteInteractivity(true);
+            var x = ReceivedNotification;
+            if (x!=null)
+            {
+                foreach (var message in _cachedMessages)
+                    x(null, new KeyValuePair<string,bool>(message, true));
+            }
+            _cachedMessages.Clear();
+        }
+
+
+        static void OnExitedInteractive(ApplicationState newState)
+        {
+            NoteInteractivity(false);
+        }
+
+        //----------------------------------------------------------------------
+
+        [Foreign(Language.Java), ForeignFixedName]
+        static void OnRecieve2(string message, bool fromNotificationBar)
+        @{
+            @{OnRecieve(string,bool):Call(message, fromNotificationBar)};
+        @}
+
+        static void OnRecieve(string message, bool fromNotificationBar)
+        {
+            if (Lifecycle.State == ApplicationState.Interactive)
+            {
+                var x = ReceivedNotification;
+                if (x!=null)
+                    x(null, new KeyValuePair<string,bool>(message, fromNotificationBar));
+            }
+            else
+            {
+                _cachedMessages.Add(message);
+            }
+        }
+
+        //----------------------------------------------------------------------
+
+        [Foreign(Language.Java)]
+        static void NoteInteractivity(bool isItInteractive)
+        @{
+            PushNotificationReceiver.InForeground = isItInteractive;
+            java.util.ArrayList<RemoteMessage> maps = PushNotificationReceiver._cachedBundles;
+            if (isItInteractive && maps!=null && maps.size()>0) {
+                for (RemoteMessage remoteMessage : maps)
+                    @{OnRecieve(string,bool):Call(PushNotificationReceiver.ToJsonString(remoteMessage), true)};
+                maps.clear();
+            }
+        @}
+    }
+}

src/Firebase.Notifications/Android/PushNotificationIDService.java

@@ -0,0 +1,14 @@
+package com.fuse.firebase.Notifications;
+
+import com.google.firebase.iid.FirebaseInstanceId;
+import com.google.firebase.iid.FirebaseInstanceIdService;
+
+public class PushNotificationIDService extends FirebaseInstanceIdService
+{
+    @Override
+    public void onTokenRefresh()
+    {
+        String refreshedToken = FirebaseInstanceId.getInstance().getToken();
+        com.foreign.Firebase.Notifications.AndroidImpl.RegistrationIDUpdated(refreshedToken);
+    }
+}