diff --git a/app/src/main/res/drawable/ic_logo.xml b/app/src/main/res/drawable/ic_logo.xml
deleted file mode 100644
index c97416122213d948b7e9406dd1d941861ab803ee..0000000000000000000000000000000000000000
--- a/app/src/main/res/drawable/ic_logo.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-  android:width="115dp"
-  android:height="115dp"
-  android:viewportHeight="54"
-  android:viewportWidth="54">
-  <path
-    android:fillColor="#ffffff"
-    android:pathData="M0 27a 27,27 0 1,0 54,0 h-7 a20,20 0 0,1 -40,0 a20,20 0 0,1 40,0 h7 a 27,27 0 1,0 -54,0 M30.34 35.84 a 5.5,5.5 0 1,0 11,0 a 5.5,5.5 0 1,0 -11,0" />
-  <path
-    android:fillColor="#e5e5e5"
-    android:pathData="M7 26.5 v0.5 a 20,20 0 0,1 40,0 v-0.5 a 20,20 0 1,0 -40,0 M0 26.5 v0.5 a 27,27 0 1,0 54,0 v-0.5 a 27,27 0 0,1 -54,0 M30.34 35.34 v0.5 a 5.5,5.5 0 1,0 11,0 v-0.5 a 5.5,5.5 0 0,1 -11,0" />
-</vector>
diff --git a/app/src/main/res/layout/widget_chatmessage_action.xml b/app/src/main/res/layout/widget_chatmessage_action.xml
index 41dd1b815c43f83c9865fb1bf4bb2bf6cbf18aea..80eeab9e0909c9b55b7c4da34a2b9e12c6a38976 100644
--- a/app/src/main/res/layout/widget_chatmessage_action.xml
+++ b/app/src/main/res/layout/widget_chatmessage_action.xml
@@ -31,7 +31,7 @@
 
     <Space
       android:id="@+id/avatar_placeholder"
-      android:layout_width="40dp"
+      android:layout_width="@dimen/avatar_size"
       android:layout_height="match_parent"
       android:layout_marginEnd="@dimen/message_horizontal"
       android:layout_marginRight="@dimen/message_horizontal"
diff --git a/app/src/main/res/layout/widget_chatmessage_error.xml b/app/src/main/res/layout/widget_chatmessage_error.xml
index d4d257e64d66d12cd02ed69c144907811a1e44ae..e543bb3f7982c419ec79f05b2c232184c98634b3 100644
--- a/app/src/main/res/layout/widget_chatmessage_error.xml
+++ b/app/src/main/res/layout/widget_chatmessage_error.xml
@@ -30,7 +30,7 @@
 
     <Space
       android:id="@+id/avatar_placeholder"
-      android:layout_width="40dp"
+      android:layout_width="@dimen/avatar_size"
       android:layout_height="match_parent"
       android:layout_marginEnd="@dimen/message_horizontal"
       android:layout_marginRight="@dimen/message_horizontal"
diff --git a/app/src/main/res/layout/widget_chatmessage_info.xml b/app/src/main/res/layout/widget_chatmessage_info.xml
index ea23ac62093252f18017a89c7d37bd5ad85be230..9deb77d4d08ca91c52f634205335acd7931fc330 100644
--- a/app/src/main/res/layout/widget_chatmessage_info.xml
+++ b/app/src/main/res/layout/widget_chatmessage_info.xml
@@ -30,7 +30,7 @@
 
     <Space
       android:id="@+id/avatar_placeholder"
-      android:layout_width="40dp"
+      android:layout_width="@dimen/avatar_size"
       android:layout_height="match_parent"
       android:layout_marginEnd="@dimen/message_horizontal"
       android:layout_marginRight="@dimen/message_horizontal"
diff --git a/app/src/main/res/layout/widget_chatmessage_notice.xml b/app/src/main/res/layout/widget_chatmessage_notice.xml
index 799351f070a070ac5af710d806cefd6b49a75b34..a03184b1c8ae87c8bb9e1b70d85016e57428ea29 100644
--- a/app/src/main/res/layout/widget_chatmessage_notice.xml
+++ b/app/src/main/res/layout/widget_chatmessage_notice.xml
@@ -30,7 +30,7 @@
 
     <Space
       android:id="@+id/avatar_placeholder"
-      android:layout_width="40dp"
+      android:layout_width="@dimen/avatar_size"
       android:layout_height="match_parent"
       android:layout_marginEnd="@dimen/message_horizontal"
       android:layout_marginRight="@dimen/message_horizontal"
diff --git a/app/src/main/res/layout/widget_chatmessage_server.xml b/app/src/main/res/layout/widget_chatmessage_server.xml
index 1dc66be33140f82dbde5476b1005f0d3badb9243..4b27c76ed259b6a4726686d221f5cb9affb98441 100644
--- a/app/src/main/res/layout/widget_chatmessage_server.xml
+++ b/app/src/main/res/layout/widget_chatmessage_server.xml
@@ -30,7 +30,7 @@
 
     <Space
       android:id="@+id/avatar_placeholder"
-      android:layout_width="40dp"
+      android:layout_width="@dimen/avatar_size"
       android:layout_height="match_parent"
       android:layout_marginEnd="@dimen/message_horizontal"
       android:layout_marginRight="@dimen/message_horizontal"
diff --git a/app/src/main/res/mipmap-hdpi/ic_logo.png b/app/src/main/res/mipmap-hdpi/ic_logo.png
new file mode 100644
index 0000000000000000000000000000000000000000..0804110bfef5d9db1f711b3e7da021f061508bbe
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_logo.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_logo.png b/app/src/main/res/mipmap-mdpi/ic_logo.png
new file mode 100644
index 0000000000000000000000000000000000000000..9c1150ee74015b8bc0c73bd10dce7ab729878933
Binary files /dev/null and b/app/src/main/res/mipmap-mdpi/ic_logo.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_logo.png b/app/src/main/res/mipmap-xhdpi/ic_logo.png
new file mode 100644
index 0000000000000000000000000000000000000000..1009ed2db17c4b8092048dca461aab1c38c44913
Binary files /dev/null and b/app/src/main/res/mipmap-xhdpi/ic_logo.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_logo.png b/app/src/main/res/mipmap-xxhdpi/ic_logo.png
new file mode 100644
index 0000000000000000000000000000000000000000..c19d713c35f9f1ed05c8a6cdf7765374f5db7fc3
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/ic_logo.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_logo.png b/app/src/main/res/mipmap-xxxhdpi/ic_logo.png
new file mode 100644
index 0000000000000000000000000000000000000000..bb3dd1d3a0afb3bebae8076a7f58d1cb39baf2de
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_logo.png differ