arjava

override fun convertToGmt() {
        val sdfTime = SimpleDateFormat("HH:mm:ss")
        sdfTime.timeZone = TimeZone.getTimeZone("UTC")
        val dateTime = scheduleMatch.timeMatch
        val gmtTime = sdfTime.parse(dateTime).toString()
        println(gmtTime)
}

arjava

override fun onOptionsItemSelected(item: MenuItem?) = when (item?.itemId) {
        android.R.id.home -> consume { finish() }
        else -> super.onOptionsItemSelected(item)
    }

    private inline fun consume(f: () -> Unit): Boolean {
        f()
        return true
    }