set margin programmatically android kotlin
fun View.margin(left: Float? = null, top: Float? = null, right: Float? = null, bottom: Float? = null) { layoutParams<ViewGroup.MarginLayoutParams> { left?.run { leftMargin = dpToPx(this) } top?.run { topMargin = dpToPx(this) } right?.run { rightMargin = dpToPx(this) } bottom?.run { bottomMargin = dpToPx(this) } } } inline fun <reified T : ViewGroup.LayoutParams> View.layoutParams(block: T.() -> Unit) { if (layoutParams is T) block(layoutParams as T) } fun View.dpToPx(dp: Float): Int = context.dpToPx(dp) fun Context.dpToPx(dp: Float): Int = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, resources.displayMetrics).toInt()
