feat: Allow setting the self-avatar

example/lib/main.dart

@@ -189,6 +189,17 @@ class MyHomePage extends StatelessWidget {
               },
               child: const Text('Show messaging notification'),
             ),
+            ElevatedButton(
+              onPressed: () async {
+                final result = await FilePicker.platform.pickFiles(
+                  type: FileType.image,
+                );
+                if (result == null) return;
+
+                MoxplatformPlugin.notifications.setNotificationSelfAvatar(result.files.single.path!);
+              },
+              child: const Text('Set notification self-avatar'),
+            ),
             ElevatedButton(
               onPressed: () async {
                 print(await MoxplatformPlugin.platform.getPersistentDataPath());

packages/moxplatform_android/android/src/main/java/me/polynom/moxplatform_android/Api.java

@@ -707,6 +707,8 @@ public class Api {
 
     void showMessagingNotification(@NonNull MessagingNotification notification);
 
+    void setNotificationSelfAvatar(@NonNull String path);
+
     @NonNull 
     String getPersistentDataPath();
 
@@ -762,6 +764,30 @@ public class Api {
                   api.showMessagingNotification(notificationArg);
                   wrapped.add(0, null);
                 }
+ catch (Throwable exception) {
+                  ArrayList<Object> wrappedError = wrapError(exception);
+                  wrapped = wrappedError;
+                }
+                reply.reply(wrapped);
+              });
+        } else {
+          channel.setMessageHandler(null);
+        }
+      }
+      {
+        BasicMessageChannel<Object> channel =
+            new BasicMessageChannel<>(
+                binaryMessenger, "dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.setNotificationSelfAvatar", getCodec());
+        if (api != null) {
+          channel.setMessageHandler(
+              (message, reply) -> {
+                ArrayList<Object> wrapped = new ArrayList<Object>();
+                ArrayList<Object> args = (ArrayList<Object>) message;
+                String pathArg = (String) args.get(0);
+                try {
+                  api.setNotificationSelfAvatar(pathArg);
+                  wrapped.add(0, null);
+                }
  catch (Throwable exception) {
                   ArrayList<Object> wrappedError = wrapError(exception);
                   wrapped = wrappedError;

packages/moxplatform_android/android/src/main/java/me/polynom/moxplatform_android/MoxplatformAndroidPlugin.java

@@ -300,9 +300,9 @@ import kotlin.jvm.functions.Function1;
       manager.createNotificationChannel(channel);
 
       // Configure i18n
-      NotificationI18nManager.INSTANCE.setYou(i18n.getYou());
+      NotificationDataManager.INSTANCE.setYou(i18n.getYou());
-      NotificationI18nManager.INSTANCE.setReply(i18n.getReply());
+      NotificationDataManager.INSTANCE.setReply(i18n.getReply());
-      NotificationI18nManager.INSTANCE.setMarkAsRead(i18n.getMarkAsRead());
+      NotificationDataManager.INSTANCE.setMarkAsRead(i18n.getMarkAsRead());
   }
 
   @Override
@@ -310,6 +310,11 @@ import kotlin.jvm.functions.Function1;
     NotificationsKt.showMessagingNotification(context, notification);
   }
 
+    @Override
+    public void setNotificationSelfAvatar(@NonNull String path) {
+      NotificationDataManager.INSTANCE.setAvatarPath(path);
+    }
+
     @NonNull
   @Override
   public String getPersistentDataPath() {

packages/moxplatform_android/android/src/main/java/me/polynom/moxplatform_android/NotificationReceiver.kt

@@ -6,6 +6,8 @@ import android.app.PendingIntent
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
+import android.graphics.BitmapFactory
+import android.graphics.drawable.Icon
 import android.os.Build
 import android.util.Log
 import androidx.core.app.NotificationCompat
@@ -13,6 +15,7 @@ import androidx.core.app.NotificationManagerCompat
 import androidx.core.app.Person
 import androidx.core.app.RemoteInput
 import androidx.core.content.FileProvider
+import androidx.core.graphics.drawable.IconCompat
 import me.polynom.moxplatform_android.Api.NotificationEvent
 import java.io.File
 import java.time.Instant
@@ -43,8 +46,6 @@ class NotificationReceiver : BroadcastReceiver() {
         NotificationManagerCompat.from(context).cancel(intent.getLongExtra(MARK_AS_READ_ID_KEY, -1).toInt())
         MoxplatformAndroidPlugin.notificationSink?.success(
             NotificationEvent().apply {
-                // TODO: Use constant for key
-                // TODO: Fix
                 jid = intent.getStringExtra(NOTIFICATION_EXTRA_JID_KEY)!!
                 type = Api.NotificationEventType.MARK_AS_READ
                 payload = null
@@ -59,7 +60,6 @@ class NotificationReceiver : BroadcastReceiver() {
         val replyPayload = remoteInput.getCharSequence(REPLY_TEXT_KEY)
         MoxplatformAndroidPlugin.notificationSink?.success(
             NotificationEvent().apply {
-                // TODO: Use constant for key
                 jid = intent.getStringExtra(NOTIFICATION_EXTRA_JID_KEY)!!
                 type = Api.NotificationEventType.REPLY
                 payload = replyPayload.toString()
@@ -80,10 +80,25 @@ class NotificationReceiver : BroadcastReceiver() {
 
         // Thanks https://medium.com/@sidorovroman3/android-how-to-use-messagingstyle-for-notifications-without-caching-messages-c414ef2b816c
         val recoveredStyle = NotificationCompat.MessagingStyle.extractMessagingStyleFromNotification(notification)!!
-        // TODO: Use a person and cache this data somewhere
+        val newStyle = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P)
-        val newStyle = Notification.MessagingStyle(NotificationI18nManager.you).apply {
+            Notification.MessagingStyle(
+                android.app.Person.Builder().apply {
+                    setName(NotificationDataManager.you)
+
+                    // Set an avatar, if we have one
+                    if (NotificationDataManager.avatarPath != null) {
+                        setIcon(
+                            Icon.createWithAdaptiveBitmap(
+                                BitmapFactory.decodeFile(NotificationDataManager.avatarPath)
+                            )
+                        )
+                    }
+                }.build()
+            )
+        else Notification.MessagingStyle(NotificationDataManager.you)
+
+        newStyle.apply {
             conversationTitle = recoveredStyle.conversationTitle
-            // TODO: Use person
             recoveredStyle.messages.forEach {
                 // Check if we have to request (or refresh) the content URI to be able to still
                 // see the embedded image.

packages/moxplatform_android/android/src/main/java/me/polynom/moxplatform_android/Notifications.kt

@@ -12,10 +12,11 @@ import androidx.core.content.FileProvider
 import androidx.core.graphics.drawable.IconCompat
 import java.io.File
 
-object NotificationI18nManager {
+object NotificationDataManager {
     var you: String = "You"
     var markAsRead: String = "Mark as read"
     var reply: String = "Reply"
+    var avatarPath: String? = null
 }
 
 /// Show a messaging style notification described by @notification.
@@ -23,7 +24,7 @@ fun showMessagingNotification(context: Context, notification: Api.MessagingNotif
     // Build the actions
     // -> Reply action
     val remoteInput = RemoteInput.Builder(REPLY_TEXT_KEY).apply {
-        setLabel(NotificationI18nManager.reply)
+        setLabel(NotificationDataManager.reply)
     }.build()
     val replyIntent = Intent(context, NotificationReceiver::class.java).apply {
         action = REPLY_ACTION
@@ -39,7 +40,7 @@ fun showMessagingNotification(context: Context, notification: Api.MessagingNotif
     val replyAction = NotificationCompat.Action.Builder(
         // TODO: Wrong icon?
         R.drawable.ic_service_icon,
-        NotificationI18nManager.reply,
+        NotificationDataManager.reply,
         replyPendingIntent,
     ).apply {
         addRemoteInput(remoteInput)
@@ -61,8 +62,7 @@ fun showMessagingNotification(context: Context, notification: Api.MessagingNotif
     val markAsReadAction = NotificationCompat.Action.Builder(
         // TODO: Wrong icon
         R.drawable.ic_service_icon,
-        // TODO: i18n
+        NotificationDataManager.markAsRead,
-        NotificationI18nManager.markAsRead,
         markAsReadPendingIntent,
     ).build()
 
@@ -81,8 +81,19 @@ fun showMessagingNotification(context: Context, notification: Api.MessagingNotif
     )
 
     // Build the notification
-    // TODO: Use a person
+    val selfPerson = Person.Builder().apply {
-    val style = NotificationCompat.MessagingStyle(NotificationI18nManager.you);
+        setName(NotificationDataManager.you)
+
+        // Set an avatar, if we have one
+        if (NotificationDataManager.avatarPath != null) {
+            setIcon(
+                IconCompat.createWithAdaptiveBitmap(
+                    BitmapFactory.decodeFile(NotificationDataManager.avatarPath),
+                ),
+            )
+        }
+    }.build()
+    val style = NotificationCompat.MessagingStyle(selfPerson);
     for (message in notification.messages) {
         // Build the sender
         val sender = Person.Builder().apply {

packages/moxplatform_android/lib/src/notifications_android.dart

@@ -25,6 +25,11 @@ class AndroidNotificationsImplementation extends NotificationsImplementation {
     return _api.showMessagingNotification(notification);
   }
 
+  @override
+  Future<void> setNotificationSelfAvatar(String path) async {
+    return _api.setNotificationSelfAvatar(path);
+  } 
+
   @override
   Stream<NotificationEvent> getEventStream() => _channel
       .receiveBroadcastStream()

packages/moxplatform_platform_interface/lib/src/api.g.dart

@@ -306,6 +306,28 @@ class MoxplatformApi {
     }
   }
 
+  Future<void> setNotificationSelfAvatar(String arg_path) async {
+    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
+        'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.setNotificationSelfAvatar', codec,
+        binaryMessenger: _binaryMessenger);
+    final List<Object?>? replyList =
+        await channel.send(<Object?>[arg_path]) as List<Object?>?;
+    if (replyList == null) {
+      throw PlatformException(
+        code: 'channel-error',
+        message: 'Unable to establish connection on channel.',
+      );
+    } else if (replyList.length > 1) {
+      throw PlatformException(
+        code: replyList[0]! as String,
+        message: replyList[1] as String?,
+        details: replyList[2],
+      );
+    } else {
+      return;
+    }
+  }
+
   Future<String> getPersistentDataPath() async {
     final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
         'dev.flutter.pigeon.moxplatform_platform_interface.MoxplatformApi.getPersistentDataPath', codec,

packages/moxplatform_platform_interface/lib/src/notifications.dart

@@ -6,5 +6,7 @@ abstract class NotificationsImplementation {
 
   Future<void> showMessagingNotification(MessagingNotification notification);
 
+  Future<void> setNotificationSelfAvatar(String path);
+
   Stream<NotificationEvent> getEventStream();
 }

packages/moxplatform_platform_interface/lib/src/notifications_stub.dart

@@ -9,6 +9,9 @@ class StubNotificationsImplementation extends NotificationsImplementation {
   @override
   Future<void> showMessagingNotification(MessagingNotification notification) async {}
 
+  @override
+  Future<void> setNotificationSelfAvatar(String path) async {}
+
   @override
   Stream<NotificationEvent> getEventStream() {
     return StreamController<NotificationEvent>().stream;

pigeons/api.dart

@@ -116,6 +116,8 @@ abstract class MoxplatformApi {
 
   void showMessagingNotification(MessagingNotification notification);
 
+  void setNotificationSelfAvatar(String path);
+
   String getPersistentDataPath();
 
   String getCacheDataPath();