An example to how implements a button Onclick in Kotlin - Android Fragment

KOTLINExampleFragmentOnClickFragment.kt

class ExmpleFragment : Fragment(), View.OnClickListener {

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

        val view: View = inflater!!.inflate(R.layout.fragment, container, false)
        val btn: Button = view.find(R.id.button2)
        btn.setOnClickListener(this)
        return view
    }

    companion object {
        fun newInstance(): ExampleFragment {
            return ExampleFragment()
        }
    }

    override fun onClick(v: View?) {
        when (v?.id) {
            R.id.button2 -> {
                toast("alpjasjdkasndknaskdnkasndkasndkjnaskjdnaskjdnkasjndkas")
            }

            else -> {
            }
        }
    }

}

Thank you so much !