PositionIndicator

Creates an `PositionIndicator` based on the values in a `ScrollState` object. e.g. a `Column`

PositionIndicator

Composable Component

Creates an PositionIndicator based on the values in a ScrollState object. e.g. a Column implementing androidx.compose.foundation.verticalScroll provides a ScrollState.

Android

@Composable
public fun PositionIndicator(
    scrollState: ScrollState,
    modifier: Modifier = Modifier,
    reverseDirection: Boolean = false,
    fadeInAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.visibilityAnimationSpec,
    fadeOutAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.visibilityAnimationSpec,
    positionAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.positionAnimationSpec,
): Unit

Parameters


scrollState	The scrollState to use as the basis for the PositionIndicatorState.
modifier	The modifier to be applied to the component
reverseDirection	Reverses direction of PositionIndicator if true
fadeInAnimationSpec	`AnimationSpec` for fade-in animation. Fade-in animation is triggered when the `PositionIndicator` becomes visible - either when state.visibility changes to Show, or state.visibility is AutoHide and state.positionFraction/state.sizeFraction are changed. To disable this animation `snap` AnimationSpec should be passed instead.
fadeOutAnimationSpec	`AnimationSpec` for fade-out animation. The Fade-out animation is used for hiding the `PositionIndicator` and making it invisible. `PositionIndicator` will be hidden after a specified delay if no changes in state.positionFraction or state.sizeFraction were detected. If `fadeOutAnimationSpec` is `snap`, then after a delay it will be instantly hidden.
positionAnimationSpec	`AnimationSpec` for position animation. The Position animation is used for animating changes between state.positionFraction and state.sizeFraction of `PositionIndicatorState`. To disable this animation `snap` AnimationSpec should be passed instead.

Android

Deprecated This overload is provided for backwards compatibility with Compose for Wear OS 1.2.A newer overload is available with additional fadeInAnimationSpec, fadeOutAnimationSpec and positionAnimationSpec parameters.

@Composable
public fun PositionIndicator(
    scrollState: ScrollState,
    modifier: Modifier = Modifier,
    reverseDirection: Boolean = false,
): Unit

Parameters


scrollState	The scrollState to use as the basis for the PositionIndicatorState.
modifier	The modifier to be applied to the component
reverseDirection	Reverses direction of PositionIndicator if true

Android

@Composable
public fun PositionIndicator(
    scalingLazyListState: ScalingLazyListState,
    modifier: Modifier = Modifier,
    reverseDirection: Boolean = false,
    fadeInAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.visibilityAnimationSpec,
    fadeOutAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.visibilityAnimationSpec,
    positionAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.positionAnimationSpec,
): Unit

Parameters


scalingLazyListState	the `ScalingLazyListState` to use as the basis for the PositionIndicatorState.
modifier	The modifier to be applied to the component
reverseDirection	Reverses direction of PositionIndicator if true
fadeInAnimationSpec	`AnimationSpec` for fade-in animation. Fade-in animation is triggered when the `PositionIndicator` becomes visible - either when state.visibility changes to Show, or state.visibility is AutoHide and state.positionFraction/state.sizeFraction are changed. To disable this animation `snap` AnimationSpec should be passed instead.
fadeOutAnimationSpec	`AnimationSpec` for fade-out animation. The Fade-out animation is used for hiding the `PositionIndicator` and making it invisible. `PositionIndicator` will be hidden after a specified delay if no changes in state.positionFraction or state.sizeFraction were detected. If `fadeOutAnimationSpec` is `snap`, then after a delay it will be instantly hidden.
positionAnimationSpec	`AnimationSpec` for position animation. The Position animation is used for animating changes between state.positionFraction and state.sizeFraction of `PositionIndicatorState`. To disable this animation `snap` AnimationSpec should be passed instead.

Android

Deprecated This overload is provided for backwards compatibility with Compose for Wear OS 1.2.A newer overload is available with additional fadeInAnimationSpec, fadeOutAnimationSpec and positionAnimationSpec parameters.

@Composable
public fun PositionIndicator(
    scalingLazyListState: ScalingLazyListState,
    modifier: Modifier = Modifier,
    reverseDirection: Boolean = false,
): Unit

Parameters


scalingLazyListState	the `ScalingLazyListState` to use as the basis for the PositionIndicatorState.
modifier	The modifier to be applied to the component
reverseDirection	Reverses direction of PositionIndicator if true

Android

Deprecated This overload is provided for backwards compatibility with Compose for Wear OS 1.1.A newer overload is available which uses ScalingLazyListState from androidx.wear.compose.foundation.lazy package

@Composable
public fun PositionIndicator(
    scalingLazyListState: androidx.wear.compose.material.ScalingLazyListState,
    modifier: Modifier = Modifier,
    reverseDirection: Boolean = false,
): Unit

Parameters


scalingLazyListState	the `ScalingLazyListState` to use as the basis for the PositionIndicatorState.
modifier	The modifier to be applied to the component
reverseDirection	Reverses direction of PositionIndicator if true

Android

@Composable
public fun PositionIndicator(
    lazyListState: LazyListState,
    modifier: Modifier = Modifier,
    reverseDirection: Boolean = false,
    fadeInAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.visibilityAnimationSpec,
    fadeOutAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.visibilityAnimationSpec,
    positionAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.positionAnimationSpec,
): Unit

Parameters


lazyListState	the `LazyListState` to use as the basis for the PositionIndicatorState.
modifier	The modifier to be applied to the component
reverseDirection	Reverses direction of PositionIndicator if true
fadeInAnimationSpec	`AnimationSpec` for fade-in animation. Fade-in animation is triggered when the `PositionIndicator` becomes visible - either when state.visibility changes to Show, or state.visibility is AutoHide and state.positionFraction/state.sizeFraction are changed. To disable this animation `snap` AnimationSpec should be passed instead.
fadeOutAnimationSpec	`AnimationSpec` for fade-out animation. The Fade-out animation is used for hiding the `PositionIndicator` and making it invisible. `PositionIndicator` will be hidden after a specified delay if no changes in state.positionFraction or state.sizeFraction were detected. If `fadeOutAnimationSpec` is `snap`, then after a delay it will be instantly hidden.
positionAnimationSpec	`AnimationSpec` for position animation. The Position animation is used for animating changes between state.positionFraction and state.sizeFraction of `PositionIndicatorState`. To disable this animation `snap` AnimationSpec should be passed instead.

Android

Deprecated This overload is provided for backwards compatibility with Compose for Wear OS 1.2.A newer overload is available with additional fadeInAnimationSpec, fadeOutAnimationSpec and positionAnimationSpec parameters.

@Composable
public fun PositionIndicator(
    lazyListState: LazyListState,
    modifier: Modifier = Modifier,
    reverseDirection: Boolean = false,
): Unit

Parameters


lazyListState	the `LazyListState` to use as the basis for the PositionIndicatorState.
modifier	The modifier to be applied to the component
reverseDirection	Reverses direction of PositionIndicator if true

Android

@Composable
public fun PositionIndicator(
    value: () -> Float,
    modifier: Modifier = Modifier,
    range: ClosedFloatingPointRange<Float> = 0f..1f,
    color: Color = MaterialTheme.colors.onBackground,
    reverseDirection: Boolean = false,
    position: PositionIndicatorAlignment = PositionIndicatorAlignment.OppositeRsb,
    fadeInAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.visibilityAnimationSpec,
    fadeOutAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.visibilityAnimationSpec,
    positionAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.positionAnimationSpec,
): Unit

Parameters


value	Value of the indicator in the `range` where 1 represents the maximum value. E.g. If displaying a volume value from 0..11 then the `value` will be volume/11.
range	range of values that `value` can take
modifier	Modifier to be applied to the component
color	Color to draw the indicator on.
reverseDirection	Reverses direction of PositionIndicator if true
position	indicates where to put the PositionIndicator in the screen, default is `PositionIndicatorPosition#OppositeRsb`
fadeInAnimationSpec	`AnimationSpec` for fade-in animation. Fade-in animation is triggered when the `PositionIndicator` becomes visible - either when state.visibility changes to Show, or state.visibility is AutoHide and state.positionFraction/state.sizeFraction are changed. To disable this animation `snap` AnimationSpec should be passed instead.
fadeOutAnimationSpec	`AnimationSpec` for fade-out animation. The Fade-out animation is used for hiding the `PositionIndicator` and making it invisible. `PositionIndicator` will be hidden after a specified delay if no changes in state.positionFraction or state.sizeFraction were detected. If `fadeOutAnimationSpec` is `snap`, then after a delay it will be instantly hidden.
positionAnimationSpec	`AnimationSpec` for position animation. The Position animation is used for animating changes between state.positionFraction and state.sizeFraction of `PositionIndicatorState`. To disable this animation `snap` AnimationSpec should be passed instead.

Android

Deprecated This overload is provided for backwards compatibility with Compose for Wear OS 1.2.A newer overload is available with additional fadeInAnimationSpec, fadeOutAnimationSpec and positionAnimationSpec parameters.

@Composable
public fun PositionIndicator(
    value: () -> Float,
    modifier: Modifier = Modifier,
    range: ClosedFloatingPointRange<Float> = 0f..1f,
    color: Color = MaterialTheme.colors.onBackground,
    reverseDirection: Boolean = false,
    position: PositionIndicatorAlignment = PositionIndicatorAlignment.OppositeRsb,
): Unit

Parameters


value	Value of the indicator in the `range` where 1 represents the maximum value. E.g. If displaying a volume value from 0..11 then the `value` will be volume/11.
range	range of values that `value` can take
modifier	Modifier to be applied to the component
color	Color to draw the indicator on.
reverseDirection	Reverses direction of PositionIndicator if true
position	indicates where to put the PositionIndicator in the screen, default is `PositionIndicatorPosition#OppositeRsb`

Android

@Composable
public fun PositionIndicator(
    state: PositionIndicatorState,
    indicatorHeight: Dp,
    indicatorWidth: Dp,
    paddingHorizontal: Dp,
    modifier: Modifier = Modifier,
    background: Color = MaterialTheme.colors.onBackground.copy(alpha = 0.3f),
    color: Color = MaterialTheme.colors.onBackground,
    reverseDirection: Boolean = false,
    position: PositionIndicatorAlignment = PositionIndicatorAlignment.End,
    fadeInAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.visibilityAnimationSpec,
    fadeOutAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.visibilityAnimationSpec,
    positionAnimationSpec: AnimationSpec<Float> = PositionIndicatorDefaults.positionAnimationSpec,
)

Parameters


state	the `PositionIndicatorState` of the state we are displaying.
indicatorHeight	the height of the position indicator in Dp.
indicatorWidth	the width of the position indicator in Dp.
paddingHorizontal	the padding to apply between the indicator and the border of the screen.
modifier	The modifier to be applied to the component.
background	the color to draw the non-active part of the position indicator.
color	the color to draw the active part of the indicator in.
reverseDirection	Reverses direction of PositionIndicator if true.
position	indicates where to put the PositionIndicator on the screen, default is `PositionIndicatorPosition#End`
fadeInAnimationSpec	`AnimationSpec` for fade-in animation. Fade-in animation is triggered when the `PositionIndicator` becomes visible - either when state.visibility changes to Show, or state.visibility is AutoHide and state.positionFraction/state.sizeFraction are changed. To disable this animation `snap` AnimationSpec should be passed instead.
fadeOutAnimationSpec	`AnimationSpec` for fade-out animation. The Fade-out animation is used for hiding the `PositionIndicator` and making it invisible. `PositionIndicator` will be hidden after a specified delay if no changes in state.positionFraction or state.sizeFraction were detected. If `fadeOutAnimationSpec` is `snap`, then after a delay it will be instantly hidden.
positionAnimationSpec	`AnimationSpec` for position animation. The Position animation is used for animating changes between state.positionFraction and state.sizeFraction of `PositionIndicatorState`. To disable animation `snap` should be passed.

Android

Deprecated This overload is provided for backwards compatibility with Compose for Wear OS 1.2.A newer overload is available with additional fadeInAnimationSpec, fadeOutAnimationSpec and positionAnimationSpec parameters.

@Composable
public fun PositionIndicator(
    state: PositionIndicatorState,
    indicatorHeight: Dp,
    indicatorWidth: Dp,
    paddingHorizontal: Dp,
    modifier: Modifier = Modifier,
    background: Color = MaterialTheme.colors.onBackground.copy(alpha = 0.3f),
    color: Color = MaterialTheme.colors.onBackground,
    reverseDirection: Boolean = false,
    position: PositionIndicatorAlignment = PositionIndicatorAlignment.End,
)

Parameters


state	the `PositionIndicatorState` of the state we are displaying.
indicatorHeight	the height of the position indicator in Dp.
indicatorWidth	the width of the position indicator in Dp.
paddingHorizontal	the padding to apply between the indicator and the border of the screen.
modifier	The modifier to be applied to the component.
background	the color to draw the non-active part of the position indicator.
color	the color to draw the active part of the indicator in.
reverseDirection	Reverses direction of PositionIndicator if true.
position	indicates where to put the PositionIndicator on the screen, default is `PositionIndicatorPosition#End`

PositionIndicator

PositionIndicator

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