question: public int show ( FragmentTransaction transaction , @ IdRes int bottomSheetLayoutId ) { dismissed = false ; shownByMe = true ; this . bottomSheetLayoutId = bottomSheetLayoutId ; transaction . add ( fragment , String . valueOf ( bottomSheetLayoutId ) ) ; viewDestroyed = false ; backStackId = transaction . commit ( ) ; return backStackId ; }
target:  DialogFragment-like show() method for displaying this the associated sheet fragment