How to set visibility in Kotlin?

if you want to visible icon

 ic_back.visibility = View.VISIBLE

and if you want to visibility GONE so please try it :

ic_back.visibility = View.GONE

In response to this answer, I believe a Kotlin-styled way to accomplish this can also be written as:

fun showHide(view:View) {
    view.visibility = if (view.visibility == View.VISIBLE){
        View.INVISIBLE
    } else{
        View.VISIBLE
    }
}

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