A CMPCountryCodePicker is country picker library for Compose Multiplatform for Android and iOS.

Installation

Add the dependency to your build.gradle.kts file:

commonMain.dependencies {
    implementation("network.chaintech:cmp-country-code-picker:1.0.0")
}

Usage

@Composable
fun CountryPickerBasicTextField(
    mobileNumber: String,
    defaultCountryCode: String,
    onMobileNumberChange: (String) -> Unit,
    onCountrySelected: (country: CountryDetails) -> Unit,
    modifier: Modifier = Modifier,
    defaultPaddingValues: PaddingValues = PaddingValues(4.dp, 6.dp),
    showCountryFlag: Boolean = true,
    showCountryPhoneCode: Boolean = true,
    showCountryName: Boolean = false,
    showCountryCode: Boolean = false,
    showArrowDropDown: Boolean = true,
    spaceAfterCountryFlag: Dp = 8.dp,
    spaceAfterCountryPhoneCode: Dp = 6.dp,
    spaceAfterCountryName: Dp = 6.dp,
    spaceAfterCountryCode: Dp = 6.dp,
    countryFlagSize: Dp = 26.dp,
    showVerticalDivider: Boolean = true,
    spaceAfterVerticalDivider: Dp = 4.dp,
    verticalDividerColor: Color = MaterialTheme.colorScheme.onSurface,
    verticalDividerHeight: Dp = 26.dp,
    countryPhoneCodeTextStyle: TextStyle = TextStyle(),
    countryNameTextStyle: TextStyle = TextStyle(),
    countryCodeTextStyle: TextStyle = TextStyle(),
    enabled: Boolean = true,
    readOnly: Boolean = false,
    textStyle: TextStyle = LocalTextStyle.current,
    label: @Composable() (() -> Unit)? = null,
    placeholder: @Composable() (() -> Unit)? = null,
    trailingIcon: @Composable() (() -> Unit)? = null,
    prefix: @Composable() (() -> Unit)? = null,
    suffix: @Composable() (() -> Unit)? = null,
    supportingText: @Composable() (() -> Unit)? = null,
    isError: Boolean = false,
    visualTransformation: VisualTransformation = VisualTransformation.None,
    singleLine: Boolean = false,
    maxLines: Int = if (singleLine) 1 else Int.MAX_VALUE,
    minLines: Int = 1,
    interactionSource: MutableInteractionSource = remember { MutableInteractionSource() },
    shape: Shape = RoundedCornerShape(12.dp),
    colors: TextFieldColors = OutlinedTextFieldDefaults.colors(),
    focusedBorderThickness: Dp = 2.dp,
    unfocusedBorderThickness: Dp = 1.dp,
    onDone: () -> Unit = {},
)

• mobileNumber: The mobile number to be shown in the text field.
• onMobileNumberChange: The callback that is triggered when the input service updates the mobile number. An updated mobile number comes as a parameter of the callback.
• onCountrySelected: The callback function is triggered each time a country is selected within the picker. Additionally, it is also invoked when the picker is first displayed on the screen with the default selected country.
• modifier: The Modifier to be applied to this text field.
• defaultPaddingValues: The spacing values to apply internally between the container and the content
• showCountryFlag: Determines whether to show the country flag within the picker.
• showCountryPhoneCode: Determines whether to show the country phone code within the picker.
• showCountryName: Determines whether to show the country name within the picker.
• showCountryCode: Determines whether to show the country code within the picker.
• showArrowDropDown: Determines whether to show the arrow drop-down icon within the picker.
• spaceAfterCountryFlag: The space to add after the country flag.
• spaceAfterCountryPhoneCode: The space to add after the country phone code.
• spaceAfterCountryName: The space to add after the country name.
• spaceAfterCountryCode: The space to add after the country code.
• countryFlagSize: The size of the country flag.
• showVerticalDivider: Determines whether to show the vertical divider within the picker.
• spaceAfterVerticalDivider: The space to add after the vertical divider.
• verticalDividerColor: The color of the vertical divider.
• verticalDividerHeight: The height of the vertical divider.
• countryPhoneCodeTextStyle: The text style for the country phone code.
• countryNameTextStyle: The text style for the country name.
• countryCodeTextStyle: The text style for the country code.
• enabled: Controls the enabled state of this text field. When false, this component will not respond to user input, and it will appear visually disabled and disabled to accessibility services.
• readOnly: Controls the editable state of the text field. When true, the text field cannot be modified. However, a user can focus it and copy text from it. Read-only text fields are usually used to display pre-filled forms that a user cannot edit.
• textStyle: The style to be applied to the input text. Defaults to LocalTextStyle.
• label: The optional label to be displayed inside the text field container.
• placeholder: The optional placeholder to be displayed when the text field is in focus and the input text is empty.
• trailingIcon: The optional trailing icon to be displayed at the end of the text field container.
• prefix: The optional prefix to be displayed before the input text in the text field.
• suffix: The optional suffix to be displayed after the input text in the text field.
• supportingText: The optional supporting text to be displayed below the text field.
• isError: Indicates if the text field’s current value is in error.
• visualTransformation: Transforms the visual representation of the input value.
• singleLine: When true, this text field becomes a single - horizontally scrolling text field instead of wrapping onto multiple lines.
• maxLines: The maximum height in terms of maximum number of visible lines.
• minLines: The minimum height in terms of minimum number of visible lines.
• interactionSource: The MutableInteractionSource representing the stream of Interactions for this text field.
• shape: Defines the shape of this text field’s border.
• colors: TextFieldColors that will be used to resolve the colors used for this text field in different
• focusedBorderThickness: Represents the border thickness for focused state.
• unfocusedBorderThickness: Represents the border thickness for unfocused state.
• onDone: The callback is triggered when the user clicks the Done button on the keyboard, as the default IME action is set to Done.

Example

@Composable
fun CountryPickerBasicText() {
    val selectedCountryState: MutableState<CountryDetails?> = remember {
        mutableStateOf(null)
    }
    var mobileNumber by remember {
        mutableStateOf("")
    }

    CountryPickerBasicTextField(
        mobileNumber = mobileNumber,
        defaultCountryCode = "ad",
        onMobileNumberChange = {
            mobileNumber = it
        },
        onCountrySelected = {
            selectedCountryState.value = it
        },
        modifier = Modifier.fillMaxWidth(),
        defaultPaddingValues = PaddingValues(6.dp),
        showCountryFlag = true,
        showCountryPhoneCode = true,
        showCountryName = false,
        showCountryCode = false,
        showArrowDropDown = true,
        spaceAfterCountryFlag = 8.dp,
        spaceAfterCountryPhoneCode = 6.dp,
        spaceAfterCountryName = 6.dp,
        spaceAfterCountryCode = 6.dp,
        label = {
            Text(text = "Mobile Number")
        },
        focusedBorderThickness = 2.dp,
        unfocusedBorderThickness = 1.dp,
        shape = RoundedCornerShape(10.dp),
        verticalDividerColor = Color(0XFFDDDDDD),
        colors = OutlinedTextFieldDefaults.colors(
            focusedBorderColor = Color(0XFFDDDDDD),
            unfocusedBorderColor = Color(0XFFDDDDDD)
        )
    )
}

Screenshot

Conclusion

CMPCountryCodePicker is a versatile and user-friendly tool designed to simplify the selection of country codes in Android and iOS applications. Its customizable options and robust performance make it an ideal solution for developers seeking to streamline their application’s country code selection process. Whether for a small project or a large-scale application, CMPCountryCodePicker stands out as a reliable and efficient choice.

https://github.com/ChainTechNetwork/CMPCountryCodePicker.git

Happy coding ❤

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