replace android_tint with app:tint

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

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

@@ -75,8 +75,8 @@
         android:background="@color/transparent"
         android:contentDescription="@string/nc_add_emojis"
         android:src="@drawable/ic_insert_emoticon_black_24dp"
-        android:tint="@color/emoji_icons"
         android:visibility="gone"
+        app:tint="@color/emoji_icons"
         tools:visibility="visible" />
 
 </RelativeLayout>

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

@@ -79,10 +79,10 @@
                 android:layout_height="30dp"
                 android:layout_marginLeft="@dimen/standard_half_margin"
                 android:layout_marginRight="@dimen/standard_half_margin"
-                android:tint="@color/black"
-                android:src="@drawable/upload"
                 android:background="@drawable/round_corner"
-                android:contentDescription="@string/upload_new_avatar_from_device" />
+                android:contentDescription="@string/upload_new_avatar_from_device"
+                android:src="@drawable/upload"
+                app:tint="@color/black" />
 
             <ImageButton
                 android:id="@+id/avatar_choose"
@@ -90,10 +90,10 @@
                 android:layout_height="30dp"
                 android:layout_marginLeft="@dimen/standard_half_margin"
                 android:layout_marginRight="@dimen/standard_half_margin"
-                android:src="@drawable/ic_mimetype_folder"
                 android:background="@drawable/round_corner"
-                android:tint="@color/colorPrimary"
-                android:contentDescription="@string/choose_avatar_from_cloud" />
+                android:contentDescription="@string/choose_avatar_from_cloud"
+                android:src="@drawable/ic_mimetype_folder"
+                app:tint="@color/colorPrimary" />
 
             <ImageButton
                 android:id="@+id/avatar_delete"
@@ -101,10 +101,10 @@
                 android:layout_height="30dp"
                 android:layout_marginLeft="@dimen/standard_half_margin"
                 android:layout_marginRight="@dimen/standard_half_margin"
-                android:src="@drawable/trashbin"
-                android:tint="@color/black"
                 android:background="@drawable/round_corner"
-                android:contentDescription="@string/delete_avatar" />
+                android:contentDescription="@string/delete_avatar"
+                android:src="@drawable/trashbin"
+                app:tint="@color/black" />
         </LinearLayout>
 
     </RelativeLayout>

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

@@ -19,6 +19,7 @@
   -->
 
 <merge xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content">
 
@@ -57,7 +58,7 @@
             android:layout_toStartOf="@id/messageSendButton"
             android:background="@color/transparent"
             android:src="@drawable/ic_insert_emoticon_black_24dp"
-            android:tint="@color/emoji_icons"
+            app:tint="@color/emoji_icons"
             android:contentDescription="@string/nc_add_emojis" />
 
         <ImageButton
@@ -86,5 +87,4 @@
             android:layout_toStartOf="@id/smileyButton" />
     </RelativeLayout>
 
-
 </merge>