Back arrow on toolbar

Back arrow on toolbar.kt

setSupportActionBar(toolbar)
supportActionBar?.setDisplayHomeAsUpEnabled(true)
supportActionBar?.setDisplayShowHomeEnabled(true)
supportActionBar?.setDisplayShowTitleEnabled(false)

//To change the color

    <style name="MyToolbarStyle">
        <item name="android:minHeight">?actionBarSize</item>
        <item name="popupTheme">@style/ThemeOverlay.AppCompat.Light</item>
        <item name="theme">@style/MyToolbarTheme</item>
    </style>

    <style name="MyToolbarTheme">
        <!-- Used to tint the back arrow, menu and spinner arrow -->
        <item name="colorControlNormal">@color/textColorNomal</item>
    </style>