섹션 3 - Navigation 구현 - 1 에서 발생한 에러

Question

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dk.mylivealonelife/com.dk.mylivealonelife.MainActivity}: android.view.InflateException: Binary XML file line #50 in com.dk.mylivealonelife:layout/actvity_main: Binary XML file line #50 in com.dk.mylivealonelife:layout/actvity_main: Error inflating class androidx.fragment.app .FragmentContainerView Caused by: android.view.InflateException: Binary XML file line #50 in com.dk.mylivealonelife:layout/actvity_main: Binary XML file line #50 in com.dk.mylivealonelife:layout/actvity_main: Error inflating class androidx.fragment.app .FragmentContainerView Caused by: android.view.InflateException: Binary XML file line #50 in com.dk.mylivealonelife:layout/actvity_main: Error inflating class androidx.fragment.app .FragmentContainerView 2024-03-19 09:56:32.052 27206-27206 AndroidRuntime com.dk.mylivealonelife E Caused by: java.lang.UnsupportedOperationException: FragmentContainerView must be within a FragmentActivity to use android:name="androidx.navigation.fragment.NavHostFragment"   Navigation 의존성추가한뒤로 mainActivity 접속시 튕기면서 이런 오류가 나옵니다. 열심히 구글링 해봤는데 에러 핸들링이 안되네요 ㅠㅠ 구글 드라이브 링크 입니다. https://drive.google.com/file/d/133chRQy9tldO-_9C9t4SCg8IB79J8kvw/view?usp=sharing

개복치개발자 · Answer

해당 부분을 주석처리하면 정상동작하는데 혹시 강의 어느부분을 수강하고 계신가요? 몇번째 강의인지 알려주시겠어요?