package Ġcom . ray w ender lich . list maker Ċ Ċ import Ġandroid . content . Intent Ċ import Ġandroid . os . Bundle Ċ import Ġandroid . text . InputType Ċ import Ġandroid . view . Menu Ċ import Ġandroid . view . MenuItem Ċ import Ġandroid . widget . EditText Ċ import Ġandroidx . appcompat . app . AlertDialog Ċ import Ġandroidx . appcompat . app . AppCompatActivity Ċ import Ġandroidx . navigation . Navigation Ċ import Ġandroidx . recyclerview . widget . Linear LayoutManager Ċ import Ġandroidx . recyclerview . widget . RecyclerView Ċ import Ġkotlinx . android . synt hetic . main . activity _ main .* Ċ Ċ class ĠMainActivity Ġ: ĠAppCompatActivity () Ġ{ ĊĊĠĠĠ Ġoverride Ġfun ĠonCreate ( savedInstanceState : ĠBundle ?) Ġ{ ĊĠĠĠĠĠĠĠ Ġsuper . onCreate ( savedInstanceState ) ĊĠĠĠĠĠĠĠ ĠsetContentView ( R . layout . activity _ main ) ĊĠĠĠĠĠĠĠ Ġset Support ActionBar ( toolbar ) ĊĠĠĠĠĠĠĠ ĠNavigation . find Nav Controller ( this , ĠR . id . nav _ host _ fragment ) ĊĊĠĠĠ Ġ} ĊĊĊĊ Ċ } Ċ