Fragment LiveData에 LifecycleOwner 조정

[fornewid]

Fragment 내에서 LiveData를 Fragment LifecycleOwner에 연결하고 있다.
이 Lifecycle은 다음 화면으로 이동할 때 해제되지 않아, 화면을 되돌아올 때 LiveData가 중첩 호출되고 있음.
Fragment의 ViewLifecycleOwner로 교체 필요함.

• 비교:
  LifecycleOwner - onDestroy()에서 해제
  ViewLifecycleOwner - onDestroyView()에서 해제

Links

• https://medium.com/androiddevelopers/android-data-binding-library-from-observable-fields-to-livedata-in-two-steps-690a384218f2?linkId=65262155
  Step 2 — Set the lifecycle owner for the LiveData 부분
• https://developer.android.com/jetpack/docs/guide#recommended-app-arch
  UserProfileFragment 부분
• https://proandroiddev.com/5-common-mistakes-when-using-architecture-components-403e9899f4cb
  1. Leaking LiveData observers in Fragments 부분

Android Architecture Components Sample Issues:

• Fragments create new instances of Observers after onActivityCreated android/architecture-components-samples#47
• onChanged called more than twice android/architecture-components-samples#179
• android/architecture-components-samples@fedc771