Compose BasicTextField fontSize 字体大小 AutoSize超过一定高度后自动变小

Posted 2022-11-29 安果移不动

              var textStyle by remember  mutableStateOf(textStyleBody1) 
                var readyToDraw by remember  mutableStateOf(false) 
                BasicTextField(
                    value = input,
                    onValueChange =  value ->
                        //内容发生变化 就说明还没发送
                        showClear = false
                        onInput(value);
                    ,
                    modifier = Modifier
                        
                        .fillMaxWidth()
                        .padding(18.dp)
                        .drawWithContent  if (readyToDraw) drawContent() ,

                    cursorBrush = SolidColor(if (showClear) Color.Transparent else Color.White),
                    textStyle = textStyle,
                    //自动变小
                    onTextLayout =  textLayoutResult ->

                        if (textLayoutResult.size.height > ScreenUtil.getScreenWidth(context)) 
                            textStyle = textStyle.copy(fontSize = textStyle.fontSize * 0.9)
                         else 
                            readyToDraw = true
                        
                    ,

                    



                )