showM3FormDialog
fun Activity.showM3FormDialog(titleId: Int = 0, customView: View, positiveTextId: Int = R.string.ok, negativeTextId: Int = 0, neutralTextId: Int = 0, titleText: String = "", canceledOnTouchOutside: Boolean = true, cancelable: Boolean = true, onCancel: () -> Unit? = null, callback: AlertDialog.(primaryButton: View, negativeButton: View, neutralButton: View) -> Unit? = null): AlertDialog