Image src compat

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

@@ -24,10 +24,10 @@
             android:layout_height="48dp"
             android:background="?android:attr/selectableItemBackgroundBorderless"
             android:scaleType="fitCenter"
-            android:src="@drawable/farbkreis_itten_1961"
             android:visibility="gone"
             app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
+            app:layout_constraintTop_toTopOf="parent"
+            app:srcCompat="@drawable/farbkreis_itten_1961" />
         <!-- source: https://commons.wikimedia.org/wiki/File:Farbkreis_Itten_1961.svg -->
 
         <RadioGroup

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

@@ -377,30 +377,30 @@
             android:layout_width="36dp"
             android:layout_height="36dp"
             android:layout_marginTop="12dp"
-            android:src="@drawable/baseline_person_24"
             app:layout_constraintEnd_toStartOf="@+id/ivGreen"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/swCircular" />
+            app:layout_constraintTop_toBottomOf="@id/swCircular"
+            app:srcCompat="@drawable/baseline_person_24" />
 
         <ImageView
             android:id="@+id/ivGreen"
             android:layout_width="36dp"
             android:layout_height="36dp"
             android:layout_marginTop="12dp"
-            android:src="@drawable/baseline_person_24"
             app:layout_constraintEnd_toStartOf="@+id/ivBlue"
             app:layout_constraintStart_toEndOf="@id/ivRed"
-            app:layout_constraintTop_toBottomOf="@id/swCircular" />
+            app:layout_constraintTop_toBottomOf="@id/swCircular"
+            app:srcCompat="@drawable/baseline_person_24" />
 
         <ImageView
             android:id="@+id/ivBlue"
             android:layout_width="36dp"
             android:layout_height="36dp"
             android:layout_marginTop="12dp"
-            android:src="@drawable/baseline_person_24"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toEndOf="@id/ivGreen"
-            app:layout_constraintTop_toBottomOf="@id/swCircular" />
+            app:layout_constraintTop_toBottomOf="@id/swCircular"
+            app:srcCompat="@drawable/baseline_person_24" />
 
         <eu.faircode.email.FixedTextView
             android:id="@+id/tvSaturation"