import android.view.View


var View.isVisible: Boolean
    get() = visibility == View.VISIBLE
    set(value) {
        visibility = if (value) {
            View.VISIBLE
        } else {
            View.GONE
        }
    }

fun View.invisible() {
    visibility = View.INVISIBLE
}

fun View.visible() {
    visibility = View.VISIBLE
}

fun View.gone() {
    visibility = View.GONE
}