package Ġcom . d mobile apps . barcode scanner . feature Ċ Ċ import Ġandroid . os . Bundle Ċ import Ġandroid . os . Handler Ċ import Ġandroid . os . Looper Ċ import Ġandroid . view . View Ċ import Ġandroidx . appcompat . app . AppCompatActivity Ċ import Ġcom . d mobile apps . barcode scanner . App Open Manager Ċ import Ġcom . d mobile apps . barcode scanner . di . rotation Helper Ċ import Ġkotlinx . android . synt hetic . main . activity _ bottom _ tabs .* Ċ Ċ abstract Ġclass ĠBase Activity Ġ: ĠAppCompatActivity () Ġ{ ĊĊĊĠĠĠ Ġoverride Ġfun ĠonCreate ( savedInstanceState : ĠBundle ?) Ġ{ ĊĠĠĠĠĠĠĠ Ġsuper . onCreate ( savedInstanceState ) ĊĠĠĠĠĠĠĠ Ġwindow . decor View . system Ui Visibility Ġ= Ġwindow . decor View . system Ui Visibility Ġor ĠView . SYSTEM _ UI _ FLAG _ LAYOUT _ ST ABLE Ġor ĠView . SYSTEM _ UI _ FLAG _ LAYOUT _ HIDE _ NAV IG ATION ĊĠĠĠĠĠĠĠ Ġrotation Helper . lock Current Orientation IfNeeded ( this ) ĊĊĊĊĠĠĠ Ġ} Ċ }