class InitView @JvmOverloads constructor( context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0 ) : LinearLayout(context, attrs, defStyleAttr){ init { val inflater: LayoutInflater = getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater val view = inflater.inflate(R.layout.view_main, this, false) addView(view) // 로직 } }