LinearProgressIndicator

Component in Material Compose

Progress indicators express an unspecified wait time or display the length of a process.

Last updated: 2024-10-22 13:47

Installation

dependencies {
   implementation("androidx.compose.material:material:1.8.0-alpha04")
}

Overloads

@Composable
fun LinearProgressIndicator(
    @FloatRange(from = 0.0, to = 1.0) progress: Float,
    modifier: Modifier = Modifier,
    color: Color = MaterialTheme.colors.primary,
    backgroundColor: Color = color.copy(alpha = IndicatorBackgroundOpacity),
    strokeCap: StrokeCap = StrokeCap.Butt,
)

Parameters

name	description
progress	The progress of this progress indicator, where 0.0 represents no progress and 1.0 represents full progress. Values outside of this range are coerced into the range.
modifier	the [Modifier] to be applied to this progress indicator
color	The color of the progress indicator.
backgroundColor	The color of the background behind the indicator, visible when the progress has not reached that area of the overall indicator yet.
strokeCap	stroke cap to use for the ends of this progress indicator

@Composable
fun LinearProgressIndicator(
    modifier: Modifier = Modifier,
    color: Color = MaterialTheme.colors.primary,
    backgroundColor: Color = color.copy(alpha = IndicatorBackgroundOpacity),
    strokeCap: StrokeCap = StrokeCap.Butt,
)

Parameters

name	description
modifier	the [Modifier] to be applied to this progress indicator
color	The color of the progress indicator.
backgroundColor	The color of the background behind the indicator, visible when the progress has not reached that area of the overall indicator yet.
strokeCap	stroke cap to use for the ends of this progress indicator

@Deprecated("Maintained for binary compatibility", level = DeprecationLevel.HIDDEN)
@Composable
fun LinearProgressIndicator(
    progress: Float,
    modifier: Modifier = Modifier,
    color: Color = MaterialTheme.colors.primary,
    backgroundColor: Color = color.copy(alpha = IndicatorBackgroundOpacity)
)

@Deprecated("Maintained for binary compatibility", level = DeprecationLevel.HIDDEN)
@Composable
fun LinearProgressIndicator(
    modifier: Modifier = Modifier,
    color: Color = MaterialTheme.colors.primary,
    backgroundColor: Color = color.copy(alpha = IndicatorBackgroundOpacity)
)

Code Example

LinearProgressIndicatorSample

@Composable
fun LinearProgressIndicatorSample() {
    var progress by remember { mutableStateOf(0.1f) }
    val animatedProgress by
        animateFloatAsState(
            targetValue = progress,
            animationSpec = ProgressIndicatorDefaults.ProgressAnimationSpec
        )

    Column(horizontalAlignment = Alignment.CenterHorizontally) {
        LinearProgressIndicator(progress = animatedProgress)
        Spacer(Modifier.requiredHeight(30.dp))
        OutlinedButton(onClick = { if (progress < 1f) progress += 0.1f }) { Text("Increase") }
    }
}