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Button

Contained buttons are high-emphasis, distinguished by their use of elevation and fill. They contain actions that are primary to your app.

Contained button image

Last updated:

Installation

dependencies {
   implementation("androidx.compose.material:material:1.7.0-beta03")
}

Overloads

@Composable
@OptIn(ExperimentalMaterialApi::class
fun Button(
    onClick: () -> Unit,
    modifier: Modifier = Modifier,
    enabled: Boolean = true,
    interactionSource: MutableInteractionSource? = null,
    elevation: ButtonElevation? = ButtonDefaults.elevation(),
    shape: Shape = MaterialTheme.shapes.small,
    border: BorderStroke? = null,
    colors: ButtonColors = ButtonDefaults.buttonColors(),
    contentPadding: PaddingValues = ButtonDefaults.ContentPadding,
    content: @Composable RowScope.() -> Unit
)

Parameters

namedescription
onClickWill be called when the user clicks the button
modifierModifier to be applied to the button
enabledControls the enabled state of the button. When false, this button will not be clickable
interactionSourcean optional hoisted [MutableInteractionSource] for observing and emitting [Interaction]s for this button. You can use this to change the button's appearance or preview the button in different states. Note that if null is provided, interactions will still happen internally.
elevation[ButtonElevation] used to resolve the elevation for this button in different states. This controls the size of the shadow below the button. Pass null here to disable elevation for this button. See [ButtonDefaults.elevation].
shapeDefines the button's shape as well as its shadow
borderBorder to draw around the button
colors[ButtonColors] that will be used to resolve the background and content color for this button in different states. See [ButtonDefaults.buttonColors].
contentPaddingThe spacing values to apply internally between the container and the content

Code Examples

ButtonSample

@Composable
@Sampled
fun ButtonSample() {
    Button(onClick = { /* Do something! */ }) {
        Text("Button")
    }
}

ButtonWithIconSample

@Composable
@Sampled
fun ButtonWithIconSample() {
    Button(onClick = { /* Do something! */ }) {
        Icon(
            Icons.Filled.Favorite,
            contentDescription = null,
            modifier = Modifier.size(ButtonDefaults.IconSize)
        )
        Spacer(Modifier.size(ButtonDefaults.IconSpacing))
        Text("Like")
    }
}