Removed double ripple effect on Android 6, using custom ripple for list items. But still click event to corner of any list item occurs on the center of item sometimes.

Author: jemshit

material_preferences_library/src/main/res/drawable/mpl__custom_ripple_effect_background.xml

@@ -0,0 +1,12 @@
+<ripple
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:color="#a5a5a5"
+    tools:targetApi="lollipop">
+    <item>
+        <shape
+            android:shape="rectangle">
+            <solid android:color="@android:color/transparent" />
+        </shape>
+    </item>
+</ripple>

material_preferences_library/src/main/res/layout/mpl__preference_activity.xml

@@ -25,7 +25,8 @@
     <ListView
       android:id="@android:id/list"
       android:layout_width="match_parent"
-      android:layout_height="match_parent"/>
+      android:layout_height="match_parent"
+      android:listSelector="@drawable/mpl__custom_ripple_effect_background"/>
 
     <ImageView
       android:id="@+id/abp__shadowView"