<?xml version="1.0" encoding="utf-8"?>
<resources>
    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="colorPrimary">@color/primary</item>
        <!--   darker variant for the status bar and contextual app bars -->
        <!--   theme UI controls like checkboxes and text fields -->
        <item name="colorPrimaryDark">@color/primaryDark</item>
        <item name="colorAccent">@color/accent</item>
    </style>
</resources>
<?xml version="1.0" encoding="utf-8"?>
<resources>
    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="colorPrimary">@color/primary</item>
        <item name="colorControlNormal">@android:color/white</item>
        <!--   darker variant for the status bar and contextual app bars -->
        <!--   theme UI controls like checkboxes and text fields -->
        <item name="colorPrimaryDark">@color/primaryDark</item>
        <item name="colorAccent">@color/accent</item>
    </style>

</resources>
Update so that toolbar back arrow is white
Update so that toolbar back arrow is white
