fixed shadow image that was looking quite large.

Author: AndroidDeveloperLB

MaterialStuffLibrary/res/drawable/msl__action_bar_shadow.xml

@@ -1,12 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle" >
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
 
-    <gradient
-        android:angle="90"
-        android:endColor="#00000000"
-        android:startColor="#43000000" />
+    <item android:bottom="8dp">
+        <shape android:shape="rectangle" >
+            <size android:height="1dp" />
 
-    <size android:height="9dp" />
+            <solid android:color="#43000000"  />
 
-</shape>
+        </shape>
+    </item>
+    <item android:top="1dp">
+        <shape android:shape="rectangle" android:dither="true">
+            <gradient
+                android:angle="270"
+                android:endColor="#00000000"
+                android:startColor="#10000000" />
+
+            <size android:height="8dp" />
+        </shape>
+    </item>
+
+</layer-list>

MaterialStuffLibrary/res/layout/msl__activity_preference.xml

@@ -23,12 +23,14 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent" />
 
-        <View
+        <ImageView
             android:id="@+id/msl__shadowView"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:background="@drawable/msl__action_bar_shadow"
-            android:visibility="gone" />
+            android:src="@drawable/msl__action_bar_shadow"
+            android:visibility="gone"
+            tools:ignore="ContentDescription" />
+
     </FrameLayout>
 
 </LinearLayout>