OnBackPressedDispatcher ⚠️ activity.onBackPressed 는 Deprecated 되었다. OnBackPressedDispatcher OnBackPressedDispatcher | Android Developers androidx.constraintlayout.core.motion.parse developer.android.com // 필요한 시점에 해당 코드를 추가하면 된다. val callback = object: OnBackPressedCallback(true) { override fun handleOnBackPressed() { Toast.makeText(this@MainActivity, "뒤로가기 터치", Toast.LENGTH_SHORT).show() finish..