https://developer.android.com/reference/android/support/v14/preference/PreferenceDialogFragment?authuser=3
PreferenceDialogFragment | API reference | Android Developers
api referenceandroiddevelopers
https://developer.android.com/reference/androidx/preference/PreferenceDialogFragment?authuser=5
PreferenceDialogFragment | API reference | Android Developers
api referenceandroiddevelopers