WIP analyze why emoji is not sent as styled emoji

app/src/main/java/com/nextcloud/talk/adapters/messages/Reaction.kt

@@ -7,6 +7,7 @@
 package com.nextcloud.talk.adapters.messages
 
 import android.content.Context
+import android.util.Log
 import android.view.View
 import android.view.ViewGroup
 import android.widget.LinearLayout
@@ -32,6 +33,16 @@ class Reaction {
         binding.reactionsEmojiWrapper.removeAllViews()
 
         if (message.reactions != null && message.reactions!!.isNotEmpty()) {
+            message.reactions!!.forEach {
+                val emoji = it.key
+
+                Log.d("emoji", emoji)
+
+                emoji.codePoints().forEach { cp ->
+                    Log.d("code", "U+${cp.toString(16).uppercase()}")
+                }
+            }
+
             binding.reactionsEmojiWrapper.visibility = View.VISIBLE
 
             binding.reactionsEmojiWrapper.setOnLongClickListener {

app/src/main/java/com/nextcloud/talk/repositories/reactions/ReactionsRepositoryImpl.kt

@@ -32,16 +32,32 @@ class ReactionsRepositoryImpl @Inject constructor(
     val credentials: String = ApiUtils.getCredentials(currentUser.username, currentUser.token)!!
 
     override fun addReaction(roomToken: String, message: ChatMessage, emoji: String): Observable<ReactionAddedModel> {
+
+        fun forceEmojiStyle(text: String): String {
+            if (text.isEmpty()) return text
+
+            val cps = text.codePoints().toArray()
+            val lastCp = cps.last()
+
+            return if (lastCp != 0xFE0F) {
+                text + "\uFE0F"
+            } else {
+                text
+            }
+        }
+
+        val styledEmoji = forceEmojiStyle(emoji)
+
         return ncApi.sendReaction(
             credentials,
             ApiUtils.getUrlForMessageReaction(
                 currentUser.baseUrl!!,
                 roomToken,
                 message.id
             ),
-            emoji
+            styledEmoji
         ).map {
-            val model = mapToReactionAddedModel(message, emoji, it.ocs?.meta!!)
+            val model = mapToReactionAddedModel(message, styledEmoji, it.ocs?.meta!!)
             persistAddedModel(model, roomToken)
             return@map model
         }