Old Fashioned toggle buttons.

PowerOutageMapFragment.kt

 override fun onCreateView(layoutInflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {

        val toggle1 = view.toggle_button_1
        val toggle2 = view.toggle_button_2
        toggle1.setOnClickListener { onToggle(it) }
        toggle2.setOnClickListener { onToggle(it) }

        toggleGroup = view.toggle_group
        toggleGroup.setOnCheckedChangeListener { group, checkedId ->
            for (i in 0 until group.childCount) {
                val button = group.getChildAt(i) as ToggleButton
                button.isChecked = button.id == checkedId
            }

        }

       
    }

    private fun onToggle(view: View){
        (view.parent as RadioGroup).check(view.id)

    }