I m making a simple TextField `VisualTransformation` to igno

Question

I m making a simple TextField `VisualTransformation` to ignore blank spaces but when I tap the space bar multiple times and then I try to undo the typing it s counting all the blank spaces that were ignored as seen in the video Also when I type two blank spaces it transforms them into a character Any idea what I might be doing wrong ```val ignoreBlanksVisualTransformation = VisualTransformation text gt val blanksCount = text text count it toString isBlank val transformedText = text text filterNot it toString isBlank TransformedText AnnotatedString transformedText object OffsetMapping override fun originalToTransformed offset Int = offset blanksCount override fun transformedToOriginal offset Int = offset + blanksCount ```

ephemient · Answer

` ` insertion is the behavior of many keyboards Gboard settings Text correction Double space period for example

ephemient · Answer

what is your goal here if it s to keep but hide all spaces then the most straightforward thing to do would be to replace them with WJ or ZWS e g ```val visualTransformation = VisualTransform text gt TransformedText AnnotatedString text text replace s toRegex u200B OffsetMapping Identity ``` if it s to prevent the user for inserting spaces you can do that directly ``` private fun TextFieldValue filtered predicate Char gt Boolean TextFieldValue = copy text = text filter predicate selection = selection adjustForFilter text predicate composition = composition adjustForFilter text predicate private fun TextRange adjustForFilter text String predicate Char gt Boolean TextRange = TextRange start = text subSequence 0 start count predicate end = text subSequence 0 end count predicate var textValue by remember mutableStateOf TextFieldValue TextField value = textValue onValueChange = text gt textValue = text filtered it isWhitespace ```

Jorge Domínguez · Answer

That s so much simpler I haven t used the `TextFieldValue` override so it didn t cross my mind Yeah I just want the user to not be able to type spaces