public class FloatArrayEvaluator
extends Object
implements TypeEvaluator<float[]>
java.lang.Object  
↳  android.animation.FloatArrayEvaluator 
This evaluator can be used to perform type interpolation between float[]
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.
Public constructors 


FloatArrayEvaluator() Create a FloatArrayEvaluator that does not reuse the animated value. 

FloatArrayEvaluator(float[] reuseArray) Create a FloatArrayEvaluator that reuses 
Public methods 


float[] 
evaluate(float fraction, float[] startValue, float[] endValue) Interpolates the value at each index by the fraction. 
Inherited methods 


From class java.lang.Object


From interface android.animation.TypeEvaluator

FloatArrayEvaluator ()
Create a FloatArrayEvaluator that does not reuse the animated value. Care must be taken when using this option because on every evaluation a new float[]
will be allocated.
See also:
FloatArrayEvaluator (float[] reuseArray)
Create a FloatArrayEvaluator that reuses reuseArray
for every evaluate() call. Caution must be taken to ensure that the value returned from getAnimatedValue()
is not cached, modified, or used across threads. The value will be modified on each evaluate()
call.
Parameters  

reuseArray 
float : The array to modify and return from evaluate . 
float[] evaluate (float fraction, float[] startValue, float[] endValue)
Interpolates the value at each index by the fraction. If FloatArrayEvaluator(float[])
was used to construct this object, reuseArray
will be returned, otherwise a new float[]
will be returned.
Parameters  

fraction 
float : The fraction from the starting to the ending values 
startValue 
float : The start value. 
endValue 
float : The end value. 
Returns  

float[] 
A float[] where each element is an interpolation between the same index in startValue and endValue. 