package Ġcom . example . android _ study . other . utils Ċ Ċ import Ġandroid . os . Bundle Ċ import Ġandroidx . appcompat . app . AppCompatActivity Ċ import Ġandroidx . databinding . Data Binding Util Ċ import Ġcom . example . android _ study . R Ċ import Ġcom . example . android _ study . databinding . Activity Utils Binding Ċ Ċ class ĠUtils Activity Ġ: ĠAppCompatActivity () Ġ{ ĊĠĠĠ Ġprivate Ġlateinit Ġvar Ġdata Binding : ĠActivity Utils Binding ĊĠĠĠ Ġoverride Ġfun ĠonCreate ( savedInstanceState : ĠBundle ?) Ġ{ ĊĠĠĠĠĠĠĠ Ġsuper . onCreate ( savedInstanceState ) ĊĠĠĠĠĠĠĠ Ġdata Binding Ġ= ĠData Binding Util . set ContentView ( this , ĠR . layout . activity _ utils ) ĊĠĠĠĠĠĠĠ Ġdata Binding . str =" è¯· æŁ¥ éĺħ ${ this . java Class .` package `} åĮħ ä¸ĭ çĽ¸åħ³ çļĦ å·¥åħ· ç±» " ĊĠĠĠ Ġ} Ċ }