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@Composable
private fun AnimatedText() {
    val text = "This text animates as though it is being typed \uD83E\uDDDE\u200D♀\uFE0F \uD83D\uDD10  \uD83D\uDC69\u200D❤\uFE0F\u200D\uD83D\uDC68 \uD83D\uDC74\uD83C\uDFFD"

    // Use BreakIterator as it correctly iterates over characters regardless of how they are
    // stored, for example, some emojis are made up of multiple characters.
    // You don't want to break up an emoji as it animates, so using BreakIterator will ensure
    // this is correctly handled!
    val breakIterator = remember(text) { BreakIterator.getCharacterInstance() }

    // Define how many milliseconds between each character should pause for. This will create the
    // illusion of an animation, as we delay the job after each character is iterated on.
    val typingDelayInMs = 50L

    var substringText by remember {
        mutableStateOf("")
    }
    LaunchedEffect(text) {
        // Initial start delay of the typing animation
        delay(1000)
        breakIterator.text = StringCharacterIterator(text)

        var nextIndex = breakIterator.next()
        // Iterate over the string, by index boundary
        while (nextIndex != BreakIterator.DONE) {
            substringText = text.subSequence(0, nextIndex).toString()
            // Go to the next logical character boundary
            nextIndex = breakIterator.next()
            delay(typingDelayInMs)
        }
    }
    Text(substringText)
AnimationSnippets.kt