https://developer.android.google.cn/reference/androidx/leanback/app/DetailsFragment?authuser=7
DetailsFragment | API reference | Android Developers
api referenceandroiddevelopers
https://developer.android.com/reference/android/support/v17/leanback/app/DetailsFragment?authuser=002
DetailsFragment | API reference | Android Developers
api referenceandroiddevelopers