IntArrayEvaluator
open class IntArrayEvaluator : TypeEvaluator<IntArray!>
kotlin.Any | |
↳ | androidx.core.animation.IntArrayEvaluator |
This evaluator can be used to perform type interpolation between int[]
values. Each index into the array is treated as a separate value to interpolate. For example, evaluating {100, 200}
and {300, 400}
will interpolate the value at the first index between 100 and 300 and the value at the second index value between 200 and 400.
Summary
Public constructors | |
---|---|
<init>() Create an IntArrayEvaluator that does not reuse the animated value. |
|
Create an IntArrayEvaluator that reuses |
Public methods | |
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open IntArray |
Interpolates the value at each index by the fraction. |
Public constructors
<init>
IntArrayEvaluator()
Create an IntArrayEvaluator that does not reuse the animated value. Care must be taken when using this option because on every evaluation a new int[]
will be allocated.
See Also
<init>
IntArrayEvaluator(@Nullable reuseArray: IntArray?)
Create an IntArrayEvaluator that reuses reuseArray
for every evaluate() call. Caution must be taken to ensure that the value returned from ValueAnimator#getAnimatedValue()
is not cached, modified, or used across threads. The value will be modified on each evaluate()
call.
Parameters | |
---|---|
reuseArray |
IntArray?: The array to modify and return from evaluate . |
Public methods
evaluate
@NonNull open fun evaluate(
fraction: Float,
@NonNull startValue: IntArray,
@NonNull endValue: IntArray
): IntArray
Interpolates the value at each index by the fraction. If IntArrayEvaluator(int[])
was used to construct this object, reuseArray
will be returned, otherwise a new int[]
will be returned.
Parameters | |
---|---|
fraction |
Float: The fraction from the starting to the ending values |
startValue |
IntArray: The start value. |
endValue |
IntArray: The end value. |
Return | |
---|---|
IntArray |
An int[] where each element is an interpolation between the same index in startValue and endValue. |