res/values/styles.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <item name="colorPrimary">@color/theme_primary</item>
        <item name="colorPrimaryDark">@color/theme_primary_dark</item>
        <item name="colorAccent">@color/theme_accent</item>
        <item name="windowActionModeOverlay">true</item>
    </style>

    <style name="AppTheme.NoActionBar">
        <item name="windowActionBar">false</item>
        <item name="windowNoTitle">true</item>
        <item name="android:windowDrawsSystemBarBackgrounds">true</item>
        <item name="android:statusBarColor">@android:color/transparent</item>
    </style>

    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />

    <style name="TextAppearanceWhite" parent="TextAppearance.AppCompat.Widget.ActionBar.Title">
        <item name="android:textColor">@color/white</item>
    </style>
    <style name="TextAppearanceTransparent" parent="TextAppearance.AppCompat.Widget.ActionBar.Title">
        <item name="android:textColor">@android:color/transparent</item>
    </style>
</resources>