fix splashscreen navigationbar color on Android 27+

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

@@ -1,5 +1,14 @@
 <resources>
 
+    <style name="SplashTheme" parent="Theme.AppCompat.NoActionBar">
+        <item name="android:windowBackground">@drawable/background_splash</item>
+        <item name="colorPrimaryDark">@color/color_primary_dark_dark</item>
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowLightNavigationBar">false</item>
+        <item name="android:navigationBarColor">@color/window_background_dark</item>
+        <item name="android:navigationBarDividerColor">@color/status_divider_dark</item>
+    </style>
+
     <!--Light Application Theme Styles-->
     <style name="TuskyTheme" parent="TuskyBaseTheme">
         <item name="android:windowLightNavigationBar">true</item>