No recent emoji msg shown in emoji picker

app/src/main/java/chat/rocket/android/widget/emoji/CategoryPagerAdapter.kt

@@ -24,11 +24,18 @@ class CategoryPagerAdapter(val listener: EmojiKeyboardListener) : PagerAdapter()
         val recycler = view.findViewById(R.id.emojiRecyclerView) as RecyclerView
         val adapter = EmojiAdapter(layoutManager.spanCount, listener)
         val category = EmojiCategory.values().get(position)
+        val tv_recent_emoji : TextView = view.findViewById(R.id.tv_recent_emoji)
         val emojis = if (category != EmojiCategory.RECENTS) {
             EmojiRepository.getEmojisByCategory(category)
         } else {
             EmojiRepository.getRecents()
         }
+        val recentEmojiSize = EmojiRepository.getRecents().size
+        if (category == EmojiCategory.RECENTS && recentEmojiSize == 0){
+            tv_recent_emoji.visibility = View.VISIBLE
+        }else{
+            tv_recent_emoji.visibility = View.GONE
+        }
         adapter.addEmojis(emojis)
         recycler.layoutManager = layoutManager
         recycler.itemAnimator = DefaultItemAnimator()

app/src/main/res/layout/emoji_category_layout.xml

@@ -15,4 +15,14 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <TextView
+        android:id="@+id/tv_recent_emoji"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/msg_no_recent_emoji"
+        android:layout_gravity="center"
+        android:elevation="10dp"
+        android:textSize="16sp"
+        android:visibility="gone"/>
+
 </android.support.design.widget.CoordinatorLayout>
\ No newline at end of file

app/src/main/res/values/strings.xml

@@ -116,4 +116,7 @@
     <string name="status_disconnecting">disconnecting</string>
     <string name="status_waiting">connecting in %d seconds</string>
 
+    <!-- Emoji message-->
+    <string name="msg_no_recent_emoji">No recent emoji</string>
+
 </resources>
\ No newline at end of file