Jetpack编写如何删除编辑文本/文本字段下划线并保留光标？ [英] Jetpack Compose how to remove EditText/TextField underline and keep cursor?

问题描述

您好，我需要删除TextField中的下划线，因为当TextField为圆形时，它看起来很难看。我已将active颜色设置为透明，但光标不会显示(因为它是透明的)。如何删除下划线/active颜色而保留光标？

以下是我的循环文本字段代码：

@Composable
fun SearchBar(value: String) {
    // we are creating a variable for
    // getting a value of our text field.
    val inputvalue = remember { mutableStateOf(TextFieldValue()) }

    TextField(
            // below line is used to get
            // value of text field,
            value = inputvalue.value,

            // below line is used to get value in text field
            // on value change in text field.
            onValueChange = { inputvalue.value = it },

            // below line is used to add placeholder
            // for our text field.
            placeholder = { Text(text = "Firmanavn") },

            // modifier is use to add padding
            // to our text field, and a circular border
            modifier = Modifier.padding(all = 16.dp).fillMaxWidth().border(1.dp, Color.LightGray, CircleShape),

            shape = CircleShape,


            // keyboard options is used to modify
            // the keyboard for text field.
            keyboardOptions = KeyboardOptions(
                    // below line is use for capitalization
                    // inside our text field.
                    capitalization = KeyboardCapitalization.None,

                    // below line is to enable auto
                    // correct in our keyboard.
                    autoCorrect = true,

                    // below line is used to specify our
                    // type of keyboard such as text, number, phone.
                    keyboardType = KeyboardType.Text,
            ),

            // below line is use to specify
            // styling for our text field value.
            textStyle = TextStyle(color = Color.Black,
                    // below line is used to add font
                    // size for our text field
                    fontSize = TextUnit.Companion.Sp(value = 15),

                    // below line is use to change font family.
                    fontFamily = FontFamily.SansSerif),

            // below line is use to give
            // max lines for our text field.
            maxLines = 1,

            // active color is use to change
            // color when text field is focused.
            activeColor = Color.Gray,

            // single line boolean is use to avoid
            // textfield entering in multiple lines.
            singleLine = true,

            // inactive color is use to change
            // color when text field is not focused.
            inactiveColor = Color.Transparent,

            backgroundColor = colorResource(id = R.color.white_light),

                    // trailing icons is use to add
                    // icon to the end of tet field.
            trailingIcon = {
                Icon(Icons.Filled.Search, tint = colorResource(id = R.color.purple_700))
            },
    )

推荐答案

您可以定义以下属性：

• focusedIndicatorColor
• unfocusedIndicatorColor
• disabledIndicatorColor

类似：

   TextField(
       //..
       colors = TextFieldDefaults.textFieldColors(
            textColor = Color.Gray,
            disabledTextColor = Color.Transparent,
            backgroundColor = Color.White,
            focusedIndicatorColor = Color.Transparent,
            unfocusedIndicatorColor = Color.Transparent,
            disabledIndicatorColor = Color.Transparent
        )
    )

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