Simplifying Android activities with Kotlin - 2

HomeActivity.kt

class HomeActivity : AppCompatActivity() {
    val layoutFile = R.layout.activity_home

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        val binding: ActivityHomeBinding = DataBindingUtil.setContentView(this, layoutFile)

        binding?.btnSend?.setOnClickListener {  btnSendActions(binding) }
    }
}