Adaptive letterSpacing in Text Jetpack Compose

Question

How can I make letterSpacing adaptive to fill max width?

When I'm trying to set textAlign to Justify I get this: As you see, text is not filling max width.

When I'm adding non-zero letterSpacing argument to Text , I'm getting this result:

For longer text I'm getting weird result with letter stacking on each other. So, how can I make letterSpacing adaptive for each width?

Code:

Text(text = "07:30", 
     textAlign = TextAlign.Justify, 
     modifier = Modifier.fillMaxWidth(),
     //letterSpacing = 20.sp
)

Answer 1

@Pylyp Dukhov mentioned question that indirectly answers my question. So, we need to small down letterSpacing when text overflows it's parent and grow up when not overflows. Seems to be not the best solution, but better than nothing. Code:

var readyToDraw by remember { mutableStateOf(false) }
var letterSpacing by remember { mutableStateOf(50.sp) }
Text(
    text = "07:30",
    modifier = Modifier
        .drawWithContent {
            if (readyToDraw) drawContent()
        }
        .fillMaxWidth(),
    textAlign = TextAlign.Center,
    softWrap = false,
    letterSpacing = letterSpacing,
    onTextLayout = { result ->
        if (!readyToDraw) {
            if (!result.didOverflowWidth && letterSpacing < 80.sp) {
                letterSpacing *= 1.1f
                readyToDraw = true
            } else if (result.didOverflowWidth && letterSpacing > 5.sp) {
                letterSpacing *= 0.9f
            } else {
                readyToDraw = true
            }
        }
    }
)