Show Preference Value In Preference Summary (Android PreferenceFragment)

// find preference by keyval passwordHintPreference = findPreference(getString(R.string.pref_key_change_password_hint)) as EditTextPreference// show preference value as summarypasswordHintPreference.summary = passwordHintPreference.text// listen to value changes and update summary passwordHintPreference.setOnPreferenceChangeListener { preference, value ->    passwordHintPreference.summary = value as String    true}