edited message indicator

app/src/main/java/chat/rocket/android/chatroom/adapter/MessageViewHolder.kt

@@ -4,6 +4,7 @@ import android.graphics.Color
 import android.text.method.LinkMovementMethod
 import android.view.View
 import chat.rocket.android.chatroom.viewmodel.MessageViewModel
+import chat.rocket.android.util.extensions.setVisible
 import chat.rocket.android.widget.emoji.EmojiReactionListener
 import kotlinx.android.synthetic.main.avatar.view.*
 import kotlinx.android.synthetic.main.item_message.view.*
@@ -33,6 +34,9 @@ class MessageViewHolder(
             text_content.setTextColor(
                 if (data.isTemporary) Color.GRAY else Color.BLACK
             )
+            if (data.message.editedBy != null){
+                image_edit_indicator.setVisible(true)
+            }
         }
     }
 }
\ No newline at end of file

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

@@ -74,6 +74,16 @@
             android:layout_height="wrap_content"
             android:layout_marginStart="10dp"
             tools:text="11:45 PM" />
+
+        <ImageView
+            android:id="@+id/image_edit_indicator"
+            android:layout_width="16dp"
+            android:layout_height="16dp"
+            android:src="@drawable/ic_edit_black_24px"
+            android:layout_marginStart="8dp"
+            android:layout_gravity="center_vertical"
+            android:visibility="gone"
+            tools:visibility="visible"/>
     </LinearLayout>
 
     <TextView