VectorizedInfiniteRepeatableSpec

This animation takes another VectorizedDurationBasedAnimationSpec and plays it infinite times.

initialStartOffset can be used to either delay the start of the animation or to fast forward the animation to a given play time. This start offset will not be repeated, whereas the delay in the animation (if any) will be repeated. By default, the amount of offset is 0.

Summary

Public constructors
<V : AnimationVector> VectorizedInfiniteRepeatableSpec(
    animation: VectorizedDurationBasedAnimationSpec<V>,
    repeatMode: RepeatMode,
    initialStartOffset: StartOffset
)
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Public functions
open Long
getDurationNanos(initialValue: V, targetValue: V, initialVelocity: V)

Calculates the duration of an animation.
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open V
getValueFromNanos(
    playTimeNanos: Long,
    initialValue: V,
    targetValue: V,
    initialVelocity: V
)

Calculates the value of the animation at given the playtime, with the provided start/end values, and start velocity.
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open V
getVelocityFromNanos(
    playTimeNanos: Long,
    initialValue: V,
    targetValue: V,
    initialVelocity: V
)

Calculates the velocity of the animation at given the playtime, with the provided start/end values, and start velocity.
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Public properties
open Boolean

Whether or not the VectorizedAnimationSpec specifies an infinite animation.
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Inherited functions
From androidx.compose.animation.core.VectorizedAnimationSpec
open V
getEndVelocity(initialValue: V, targetValue: V, initialVelocity: V)

Calculates the end velocity of the animation with the provided start/end values, and start velocity.
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Public constructors

VectorizedInfiniteRepeatableSpec

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<V : AnimationVector> VectorizedInfiniteRepeatableSpec(
    animation: VectorizedDurationBasedAnimationSpec<V>,
    repeatMode: RepeatMode = RepeatMode.Restart,
    initialStartOffset: StartOffset = StartOffset(0)
)
Parameters
animation: VectorizedDurationBasedAnimationSpec<V>

the VectorizedAnimationSpec describing each repetition iteration.
repeatMode: RepeatMode = RepeatMode.Restart

whether animation should repeat by starting from the beginning (i.e. RepeatMode.Restart) or from the end (i.e. RepeatMode.Reverse)
initialStartOffset: StartOffset = StartOffset(0)

offsets the start of the animation

Public functions

getDurationNanos

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Added in 1.8.0-alpha07
open fun getDurationNanos(initialValue: V, targetValue: V, initialVelocity: V): Long

Calculates the duration of an animation. For duration-based animations, this will return the pre-defined duration. For physics-based animations, the duration will be estimated based on the physics configuration (such as spring stiffness, damping ratio, visibility threshold) as well as the initialValue, targetValue values, and initialVelocity.

Parameters
initialValue: V

start value of the animation
targetValue: V

end value of the animation
initialVelocity: V

start velocity of the animation

getValueFromNanos

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Added in 1.8.0-alpha07
open fun getValueFromNanos(
    playTimeNanos: Long,
    initialValue: V,
    targetValue: V,
    initialVelocity: V
): V

Calculates the value of the animation at given the playtime, with the provided start/end values, and start velocity.

Parameters
playTimeNanos: Long

time since the start of the animation
initialValue: V

start value of the animation
targetValue: V

end value of the animation
initialVelocity: V

start velocity of the animation

getVelocityFromNanos

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Added in 1.8.0-alpha07
open fun getVelocityFromNanos(
    playTimeNanos: Long,
    initialValue: V,
    targetValue: V,
    initialVelocity: V
): V

Calculates the velocity of the animation at given the playtime, with the provided start/end values, and start velocity.

Parameters
playTimeNanos: Long

time since the start of the animation
initialValue: V

start value of the animation
targetValue: V

end value of the animation
initialVelocity: V

start velocity of the animation

Public properties

isInfinite

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Added in 1.8.0-alpha07
open val isInfinite: Boolean

Whether or not the VectorizedAnimationSpec specifies an infinite animation. That is, one that will not finish by itself, one that needs an external action to stop. For examples, an indeterminate progress bar, which will only stop when it is removed from the composition.