<resources>

    <!--
        Base application theme for API 21+. This theme completely replaces
        AppBaseTheme from BOTH res/values/styles.xml and
        res/values-v11/styles.xml and res/values-v14/styles.xml on API 21+ devices.
    -->
    <style name="AppBaseTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <!-- API 21 theme customizations can go here. -->
    </style>

</resources>

<resources>

    <!--
        Base application theme for API 21+. This theme completely replaces
        AppBaseTheme from BOTH res/values/styles.xml and
        res/values-v11/styles.xml and res/values-v14/styles.xml on API 21+ devices.
    -->
    <style name="AppBaseTheme" parent="android:Theme.Material.Light">
        <!-- API 21 theme customizations can go here. -->
        <!-- Main theme colors -->
        <!--   your app branding color for the app bar -->
        <item name="android:colorPrimary">@color/primary</item>
        <!--   darker variant for the status bar and contextual app bars -->
        <item name="android:colorPrimaryDark">@color/primary_dark</item>
        <!--   theme UI controls like checkboxes and text fields -->
        <item name="android:colorAccent">@color/accent</item>
        <!--   main text color of the menu bar (keep black for now) -->
        <!-- <item name="android:textColorPrimary">@color/text_primary</item> -->
    </style>

</resources>

Change to Material theme and add colors
Change to Material theme and add colors
