package Ġ ere vac ation . com . user list _ navigation . ui . home screen Ċ Ċ import Ġandroidx . navigation . find Nav Controller Ċ import Ġ ere vac ation . com . user list _ navigation . R Ċ import Ġ ere vac ation . com . user list _ navigation . basic . Basic Activity Ċ import Ġ ere vac ation . com . user list _ navigation . databinding . Activity Home Binding ĊĊ Ċ class ĠHome Activity Ġ: ĠBasic Activity < Home Contract . Home Presenter , ĠActivity Home Binding >(), ĠHome Contract . Home View Ġ{ ĊĠĠĠ Ġprivate Ġval ĠTAG : ĠString Ġ= ĠHome Activity :: class . java . simple Name ĊĊĠĠĠ Ġoverride Ġfun Ġget Layout Id (): ĠInt Ġ= ĠR . layout . activity _ home ĊĊĠĠĠ Ġoverride Ġfun Ġon Support Navigate Up () ĊĠĠĠĠĠĠĠĠĠĠĠ Ġ= Ġfind Nav Controller ( R . id . my _ nav _ host _ fragment ). navigate Up () Ċ Ċ }