<?xml version="1.0" encoding="utf-8"?>
<resources>

    <style name="Theme.Application" parent="@style/Theme.AppCompat.Light.DarkActionBar" />

    <style name="Theme.Settings" parent="@style/Theme.Application">
        <item name="android:windowActionBar">false</item>
        <item name="android:windowNoTitle">true</item>

        <item name="toolbarStyle">@style/Widget.Toolbar</item>
    </style>

    <style name="Widget.Toolbar" parent="@style/Widget.AppCompat.Toolbar">
        <item name="android:background">?attr/colorPrimary</item>
        <item name="navigationIcon">?attr/homeAsUpIndicator</item>
        <item name="popupTheme">@style/ThemeOverlay.AppCompat.Light</item>
        <item name="theme">@style/ThemeOverlay.AppCompat.Dark.ActionBar</item>
    </style>

</resources>

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <style name="Theme.Application" parent="@style/Theme.AppCompat.Light.DarkActionBar">
        <item name="android:colorBackground">@android:color/white</item>
        <item name="colorPrimary">@color/material_blue_grey_900</item>
        <item name="colorPrimaryDark">@color/material_blue_grey_950</item>
        <item name="colorAccent">@color/material_deep_teal_500</item>
    </style>

    <style name="Theme.Settings" parent="@style/Theme.Application">
        <item name="android:windowActionBar">false</item>
        <item name="android:windowNoTitle">true</item>

        <item name="toolbarStyle">@style/Widget.Toolbar</item>
    </style>

    <style name="Widget.Toolbar" parent="@style/Widget.AppCompat.Toolbar">
        <item name="android:background">?attr/colorPrimary</item>
        <item name="navigationIcon">?attr/homeAsUpIndicator</item>
        <item name="popupTheme">@style/ThemeOverlay.AppCompat.Light</item>
        <item name="theme">@style/ThemeOverlay.AppCompat.Dark.ActionBar</item>
    </style>

</resources>

Make the application's theme more similar to Settings' one
Make the application's theme more similar to Settings' one
