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Added in API level 11

IntEvaluator

public class IntEvaluator
extends Object implements TypeEvaluator<Integer>

java.lang.Object
   ↳ android.animation.IntEvaluator


该评估器可用于执行 int值之间的类型插值。

Summary

Public constructors

IntEvaluator()

Public methods

Integer evaluate(float fraction, Integer startValue, Integer endValue)

此函数返回开始值和结束值的线性内插结果, fraction表示开始值和结束值之间的比例。

Inherited methods

From class java.lang.Object
From interface android.animation.TypeEvaluator

Public constructors

IntEvaluator

Added in API level 11
IntEvaluator ()

Public methods

evaluate

Added in API level 14
Integer evaluate (float fraction, 
                Integer startValue, 
                Integer endValue)

该函数返回开始值和结束值的线性插值结果,其中fraction表示开始值和结束值之间的比例。 该计算是简单的参数的计算: result = x0 + t * (v1 - v0) ,其中x0startValuex1endValue ,和tfraction

Parameters
fraction float: The fraction from the starting to the ending values
startValue Integer: The start value; should be of type int or Integer
endValue Integer: The end value; should be of type int or Integer
Returns
Integer A linear interpolation between the start and end values, given the fraction parameter.

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