// Suppose id = 1111 and name = neil (just what you want). 

val s = SpannableStringBuilder()

          .bold { append(id) } 

          .append(name)

txtResult.setText(s)

val myCustomizedString = SpannableStringBuilder()

    .color(blueColor, { append("A blue text ") })

    .append("showing that ")

    .italic{ append("it is painless") }