if (parentFragment is Listener) { (parentFragment as Listener).onUpdate(title) } Kotlin (Auto Convert) if (parentFragment is Listener) { parentFragment.onUpdate(title) } Kotlin
} Kotlin (Auto Convert) val title = args.getString(ARGS_TITLE) if (!title.isNullOrEmpty()) { … } Kotlin String title = args.getString(ARGS_TITLE); if (!TextUtils.isEmpty(title)) { … } Java