Tint navigation bar on Lollipop and higher

app/src/main/res/values-v21/styles.xml

@@ -1,4 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+    
+    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+        <item name="alertDialogTheme">@style/AlertDialogStyle</item>
+        <item name="android:textColor">@color/primary_text</item>
+        <item name="windowActionModeOverlay">true</item>
+        <item name="android:navigationBarColor">@color/colorPrimaryDark</item>
+    </style>
 
 </resources>