Dynamically apply margin to view. Useful in RecyclerView items when composing complex views

ViewExtensions.kt

/**
 * Dynamically applies margin
 */
fun View?.applyMargin(
    marginStart: Int? = null,
    marginEnd: Int? = null,
    marginTop: Int? = null,
    marginBottom: Int? = null,
) {
    if (this !is ViewGroup) {
        return
    }
    val lp = this.layoutParams
    if (lp is ViewGroup.MarginLayoutParams) {
        lp.marginStart = marginStart ?: lp.marginStart
        lp.marginEnd = marginEnd ?: lp.marginEnd
        lp.topMargin = marginTop ?: lp.topMargin
        lp.bottomMargin = marginBottom ?: lp.bottomMargin
    }
}