Old png offline shadow returned.

app/src/main/res/drawable/offline_shadow_repeat.xml

+<?xml version="1.0" encoding="utf-8"?>
+<bitmap
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:src="@drawable/contact_shadow"
+    android:tileMode="repeat"
+    android:dither="true" />
\ No newline at end of file

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

@@ -3,6 +3,5 @@
     android:id="@+id/offline_shadow"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:src="@color/black"
-    android:alpha="0.7"
+    android:background="@drawable/offline_shadow_repeat"
     android:visibility="gone" />
\ No newline at end of file