AndroidKotlin_vAsExtension.kt

//inline fun <reified TV : View> v(context: Context, init: TV.() -> Unit) : TV {
inline fun <reified TV : View> Context.v(init: TV.() -> Unit) : TV {
    val constr = TV::class.java.getConstructor(Context::class.java)
 
 // val view = constr.newInstance(context)
    val view = constr.newInstance(this)

    view.init()
    return view
}

//inline fun <reified TV : View> v(parent: ViewGroup, init: TV.() -> Unit) : TV {
inline fun <reified TV : View> ViewGroup.v(init: TV.() -> Unit) : TV {

    val constr = TV::class.java.getConstructor(Context::class.java)
 
 // val view = constr.newInstance(parent.context)
    val view = constr.newInstance(context)

    parent.addView(view)
    view.init()
    return view
}