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SecureTextField

Common

Component in Material 3 Compose

Text fields allow users to enter text into a UI. [SecureTextField] is specifically designed for password entry fields. It only supports a single line of content and comes with default settings that are appropriate for entering secure content. Additionally, some context menu actions like cut, copy, and drag are disabled for added security.

Filled text fields have more visual emphasis than outlined text fields, making them stand out when surrounded by other content and components. For an outlined version, see [OutlinedSecureTextField].

Last updated:

Installation

dependencies {
   implementation("androidx.compose.material3:material3:1.4.0-alpha02")
}

Overloads

@OptIn(ExperimentalMaterial3Api::class)
@Composable
fun SecureTextField(
    state: TextFieldState,
    modifier: Modifier = Modifier,
    enabled: Boolean = true,
    textStyle: TextStyle = LocalTextStyle.current,
    labelPosition: TextFieldLabelPosition = TextFieldLabelPosition.Default(),
    label: @Composable (TextFieldLabelScope.() -> Unit)? = null,
    placeholder: @Composable (() -> Unit)? = null,
    leadingIcon: @Composable (() -> Unit)? = null,
    trailingIcon: @Composable (() -> Unit)? = null,
    prefix: @Composable (() -> Unit)? = null,
    suffix: @Composable (() -> Unit)? = null,
    supportingText: @Composable (() -> Unit)? = null,
    isError: Boolean = false,
    inputTransformation: InputTransformation? = null,
    textObfuscationMode: TextObfuscationMode = TextObfuscationMode.RevealLastTyped,
    textObfuscationCharacter: Char = DefaultObfuscationCharacter,
    keyboardOptions: KeyboardOptions = SecureTextFieldKeyboardOptions,
    onKeyboardAction: KeyboardActionHandler? = null,
    onTextLayout: (Density.(getResult: () -> TextLayoutResult?) -> Unit)? = null,
    shape: Shape = TextFieldDefaults.shape,
    colors: TextFieldColors = TextFieldDefaults.colors(),
    contentPadding: PaddingValues =
        if (label == null || labelPosition is TextFieldLabelPosition.Above) {
            TextFieldDefaults.contentPaddingWithoutLabel()
        } else {
            TextFieldDefaults.contentPaddingWithLabel()
        },
    interactionSource: MutableInteractionSource? = null,
)

Parameters

namedescription
state[TextFieldState] object that holds the internal editing state of the text field.
modifierthe [Modifier] to be applied to this text field.
enabledcontrols 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.
textStylethe style to be applied to the input text. Defaults to [LocalTextStyle].
labelPositionthe position of the label. See [TextFieldLabelPosition].
labelthe optional label to be displayed with this text field. The default text style uses [Typography.bodySmall] when minimized and [Typography.bodyLarge] when expanded.
placeholderthe optional placeholder to be displayed when the input text is empty. The default text style uses [Typography.bodyLarge].
leadingIconthe optional leading icon to be displayed at the beginning of the text field container.
trailingIconthe optional trailing icon to be displayed at the end of the text field container.
prefixthe optional prefix to be displayed before the input text in the text field.
suffixthe optional suffix to be displayed after the input text in the text field.
supportingTextthe optional supporting text to be displayed below the text field.
isErrorindicates if the text field's current value is in error. When true, the components of the text field will be displayed in an error color, and an error will be announced to accessibility services.
inputTransformationoptional [InputTransformation] that will be used to transform changes to the [TextFieldState] made by the user. The transformation will be applied to changes made by hardware and software keyboard events, pasting or dropping text, accessibility services, and tests. The transformation will not be applied when changing the [state] programmatically, or when the transformation is changed. If the transformation is changed on an existing text field, it will be applied to the next user edit. The transformation will not immediately affect the current [state].
textObfuscationModethe method used to obscure the input text.
textObfuscationCharacterthe character to use while obfuscating the text. It doesn't have an effect when [textObfuscationMode] is set to [TextObfuscationMode.Visible].
keyboardOptionssoftware keyboard options that contains configuration such as [KeyboardType] and [ImeAction]. This component by default configures [KeyboardOptions] for a secure text field by disabling auto correct and setting [KeyboardType] to [KeyboardType.Password].
onKeyboardActioncalled when the user presses the action button in the input method editor (IME), or by pressing the enter key on a hardware keyboard. By default this parameter is null, and would execute the default behavior for a received IME Action e.g., [ImeAction.Done] would close the keyboard, [ImeAction.Next] would switch the focus to the next focusable item on the screen.
onTextLayoutCallback that is executed when the text layout becomes queryable. The callback receives a function that returns a [TextLayoutResult] if the layout can be calculated, or null if it cannot. The function reads the layout result from a snapshot state object, and will invalidate its caller when the layout result changes. A [TextLayoutResult] object contains paragraph information, size of the text, baselines and other details. [Density] scope is the one that was used while creating the given text layout.
shapedefines the shape of this text field's container.
colors[TextFieldColors] that will be used to resolve the colors used for this text field in different states. See [TextFieldDefaults.colors].
contentPaddingthe padding applied to the inner text field that separates it from the surrounding elements of the text field. Note that the padding values may not be respected if they are incompatible with the text field's size constraints or layout. See [TextFieldDefaults.contentPaddingWithLabel] and [TextFieldDefaults.contentPaddingWithoutLabel].
interactionSourcean optional hoisted [MutableInteractionSource] for observing and emitting [Interaction]s for this text field. You can use this to change the text field's appearance or preview the text field in different states. Note that if null is provided, interactions will still happen internally.

Code Example

PasswordTextField

@Preview
@Composable
fun PasswordTextField() {
    var passwordHidden by rememberSaveable { mutableStateOf(true) }
    SecureTextField(
        state = rememberTextFieldState(),
        label = { Text("Enter password") },
        textObfuscationMode =
            if (passwordHidden) TextObfuscationMode.RevealLastTyped
            else TextObfuscationMode.Visible,
        trailingIcon = {
            IconButton(onClick = { passwordHidden = !passwordHidden }) {
                val visibilityIcon =
                    if (passwordHidden) Icons.Filled.Visibility else Icons.Filled.VisibilityOff
                // Provide localized description for accessibility services
                val description = if (passwordHidden) "Show password" else "Hide password"
                Icon(imageVector = visibilityIcon, contentDescription = description)
            }
        }
    )
}
by @alexstyl