diff --git a/lib/src/main/res/values/styles.xml b/lib/src/main/res/values/styles.xml
index 4849ae0..d7e102b 100644
--- a/lib/src/main/res/values/styles.xml
+++ b/lib/src/main/res/values/styles.xml
@@ -1,12 +1,12 @@
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools">
 
     <style name="DoneCancelBar">
         <item name="android:layout_width">match_parent</item>
         <item name="android:layout_height">@dimen/bar_height</item>
         <item name="android:orientation">horizontal</item>
         <item name="android:divider">@drawable/divider</item>
-        <item name="android:showDividers">middle</item>
-        <item name="android:dividerPadding">12dp</item>
+        <item name="android:showDividers" tools:ignore="NewApi">middle</item>
+        <item name="android:dividerPadding" tools:ignore="NewApi">12dp</item>
         <item name="android:background">@color/button_bar</item>
     </style>