Themes: Expose hard coded background in java

Change-Id: I30bade7c82f29767c6659c8a75bb402d245e49f1
diff --git a/res/values/projekt_colors.xml b/res/values/projekt_colors.xml
new file mode 100644
index 0000000..9e15ffc
--- /dev/null
+++ b/res/values/projekt_colors.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 Projekt Substratum
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<resources>
+    <color name="pad_view_pager_background">#ff000000</color>
+</resources>
diff --git a/src/com/android/calculator2/CalculatorPadViewPager.java b/src/com/android/calculator2/CalculatorPadViewPager.java
index d4520c5..5b02e4b 100644
--- a/src/com/android/calculator2/CalculatorPadViewPager.java
+++ b/src/com/android/calculator2/CalculatorPadViewPager.java
@@ -92,7 +92,7 @@
         super(context, attrs);
 
         setAdapter(mStaticPagerAdapter);
-        setBackgroundColor(Color.BLACK);
+        setBackgroundColor(context.getColor(R.color.pad_view_pager_background));
         setPageMargin(getResources().getDimensionPixelSize(R.dimen.pad_page_margin));
         setPageTransformer(false, mPageTransformer);
         addOnPageChangeListener(mOnPageChangeListener);