AlertDialogs with Extn funcs blog_4

SomeActivity.kt

class SomeActivity : AppCompatActivity() {

    private var timeChooserDialog: AlertDialog? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        showDialog()
    }

    private fun showDialog() {
        if (timeChooserDialog == null)
            ////////////////////////////////////////////////////////////////
            //  making Alert dialog - admire beauty of kotlin
            ////////////////////////////////////////////////////////////////
            timeChooserDialog = showTimeChooserAlertDialog {

                title.text = "Jack and jill"

                hrPicker.minValue = 0
                hrPicker.maxValue = 23
                hrPicker.setFormatter { number ->
                    String.format("%02d", number)
                }

                minPicker.minValue = 0
                minPicker.maxValue = 59
                minPicker.setFormatter { number ->
                    String.format("%02d", number)
                }

                hrPickerFocusChangeListener { view, isFocused ->
                    showVLog("hrPickerFocusChangeListener numberPicker : onFocusChanged : isFocused : " + isFocused)
                }

                hrPickerValueChangeListener { numberPicker, oldValue, newValue ->
                    showVLog("hrPickerValueChangeListener : newValue : $newValue")
                }

                minPickerFocusChangeListener { view, isFocused ->
                    showVLog("minPickerFocusChangeListener numberPicker : onFocusChanged : isFocused : " + isFocused)
                }

                minPickerValueChangeListener { numberPicker, oldValue, newValue ->
                    showVLog("minPickerValueChangeListener : newValue : $newValue")
                }

                okButtonClickListener {
                    showVLog("okButtonClickListener : okButton clicked")
                }

                cancelButtonClickListener {
                    showVLog("cancelButtonClickListener : cancelButton clicked")
                }

                onCancelListener {
                    "Dialog got canceled!".showToast()
                }
            }
        //  showing
        timeChooserDialog?.show()
    }
}