AnnotatedString.Builder

AnnotatedStringBuilderAppendableSample

fun AnnotatedStringBuilderAppendableSample() {
    val words = listOf("Hello", "World")
    buildAnnotatedString {
        // joinTo is a Kotlin stdlib function that takes an Appendable
        words.joinTo(this, separator = " ", postfix = "!")
        toAnnotatedString()
    }
}

AnnotatedStringBuilderSample

fun AnnotatedStringBuilderSample() {
    buildAnnotatedString {
        append("Hello")
        // push green text style so that any appended text will be green
        pushStyle(SpanStyle(color = Color.Green))
        // append new text, this text will be rendered as green
        append(" World")
        // pop the green style
        pop()
        // append a string without style
        append("!")
        // then style the last added word as red, exclamation mark will be red
        addStyle(SpanStyle(color = Color.Red), "Hello World".length, this.length)
        toAnnotatedString()
    }
}