light theme will now use light navigation bar (#722)

Author: malmstein

app/src/main/res/values-v23/themes.xml

@@ -20,10 +20,12 @@
 
     <style name="AppTheme.Dark" parent="AppTheme.BaseDark">
         <item name="android:windowLightStatusBar">false</item>
+        <item name="android:navigationBarColor">@color/black</item>
     </style>
 
     <style name="AppTheme.Light" parent="AppTheme.BaseLight">
         <item name="android:windowLightStatusBar">true</item>
+        <item name="android:navigationBarColor">@color/white</item>
     </style>
 
 </resources>

app/src/main/res/values-v27/themes.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+  ~ Copyright (c) 2020 DuckDuckGo
+  ~
+  ~ 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>
+
+    <style name="AppTheme.Dark" parent="AppTheme.BaseDark">
+        <item name="android:windowLightStatusBar">false</item>
+        <item name="android:windowLightNavigationBar">false</item>
+        <item name="android:navigationBarColor">@color/black</item>
+    </style>
+
+    <style name="AppTheme.Light" parent="AppTheme.BaseLight">
+        <item name="android:windowLightStatusBar">true</item>
+        <item name="android:windowLightNavigationBar">true</item>
+        <item name="android:navigationBarColor">@color/white</item>
+    </style>
+
+</resources>

app/src/main/res/values/colors.xml

@@ -41,6 +41,7 @@
     <color name="midnight">#161616</color>
     <color name="almostBlackDark">#222222</color>
     <color name="almostBlack">#333333</color>
+    <color name="black">#000000</color>
 
     <color name="charcoalGrey">#383838</color>
     <color name="charcoalGreyTwoSemiTransparent">#d6333339</color>