appendInlineContent

InlineTextContentSample

@Composable
fun InlineTextContentSample() {
    val myId = "inlineContent"
    val text = buildAnnotatedString {
        append("Hello")
        // Append a placeholder string "[myBox]" and attach an annotation "inlineContent" on it.
        appendInlineContent(myId, "[myBox]")
    }
    val inlineContent =
        mapOf(
            Pair(
                // This tells the [BasicText] to replace the placeholder string "[myBox]" by
                // the composable given in the [InlineTextContent] object.
                myId,
                InlineTextContent(
                    // Placeholder tells text layout the expected size and vertical alignment of
                    // children composable.
                    Placeholder(
                        width = 0.5.em,
                        height = 0.5.em,
                        placeholderVerticalAlign = PlaceholderVerticalAlign.AboveBaseline,
                    )
                ) {
                    // This [Box] will fill maximum size, which is specified by the [Placeholder]
                    // above. Notice the width and height in [Placeholder] are specified in
                    // TextUnit,
                    // and are converted into pixel by text layout.
                    Box(modifier = Modifier.fillMaxSize().background(color = Color.Red))
                },
            )
        )
    BasicText(text = text, inlineContent = inlineContent)
}