1 files changed, 4 insertions, 3 deletions
diff --git a/android/WALT/app/src/main/res/layout/fragment_drag_latency.xml b/android/WALT/app/src/main/res/layout/fragment_drag_latency.xml
index f9b65d0..9e77ff9 100644
--- a/android/WALT/app/src/main/res/layout/fragment_drag_latency.xml
+++ b/android/WALT/app/src/main/res/layout/fragment_drag_latency.xml
@@ -1,4 +1,5 @@
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -19,21 +20,21 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:tint="@color/button_tint"
-                android:src="@drawable/ic_refresh_black_24dp" />
+                app:srcCompat="@drawable/ic_refresh_black_24dp" />
 
             <ImageButton
                 android:id="@+id/button_start_drag"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:tint="@color/button_tint"
-                android:src="@drawable/ic_play_arrow_black_24dp" />
+                app:srcCompat="@drawable/ic_play_arrow_black_24dp" />
 
             <ImageButton
                 android:id="@+id/button_finish_drag"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:tint="@color/button_tint"
-                android:src="@drawable/ic_check_black_24dp" />
+                app:srcCompat="@drawable/ic_check_black_24dp" />
         </LinearLayout>
 
         <FrameLayout