SpanStyle

SpanStyleSample

@Sampled
@Composable
fun SpanStyleSample() {
    Text(
        fontSize = 16.sp,
        text =
            buildAnnotatedString {
                withStyle(style = SpanStyle(color = Color.Red)) { append("Hello") }
                withStyle(SpanStyle(color = Color.Blue)) { append(" World") }
            },
    )
}

SpanStyleBrushSample

@Sampled
@Composable
fun SpanStyleBrushSample() {
    val brushColors = listOf(Color.Red, Color.Blue, Color.Green, Color.Yellow)
    Text(
        fontSize = 16.sp,
        text =
            buildAnnotatedString {
                withStyle(SpanStyle(brush = Brush.radialGradient(brushColors))) { append("Hello") }
                withStyle(SpanStyle(brush = Brush.radialGradient(brushColors.asReversed()))) {
                    append(" World")
                }
            },
    )
}

AnnotatedStringBuilderSample

@Sampled
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()
    }
}