<style name="ToolbarTheme" parent="@style/ThemeOverlay.AppCompat.ActionBar">
<!-- Customize color of navigation drawer icon and back arrow -->
<item name="colorControlNormal">@color/toolbar_color_control_normal</item>
</style>
android.getSupportActionBar().setDisplayHomeAsUpEnabled(true);
android.getSupportActionBar().setHomeAsUpIndicator(R.drawable.back);
//here back is your drawable image
<style name="MyThemeOverlay_Toolbar" parent="ThemeOverlay.MaterialComponents.Toolbar.Primary">
<!-- color used by navigation icon and overflow icon -->
<item name="colorOnPrimary">@color/...</item>
</style>
<style name="MyThemeOverlay_Toolbar2" parent="ThemeOverlay.MaterialComponents.Toolbar.Primary">
<!-- This attributes is used by title -->
<item name="android:textColorPrimary">@color/white</item>
<!-- This attributes is used by navigation icon and overflow icon -->
<item name="colorOnPrimary">@color/secondaryColor</item>
</style>