DecelerateAnimator

open class DecelerateAnimator : ValueAnimator

减速动画，默认启用回弹效果。

Author

Simon Lee

Constructors

DecelerateAnimator

open fun DecelerateAnimator(context: Context)

DecelerateAnimator

open fun DecelerateAnimator(context: Context, bounceCoeff: Float)

DecelerateAnimator

open fun DecelerateAnimator(context: Context, bouncing: Boolean)

DecelerateAnimator

open fun DecelerateAnimator(context: Context, bounceCoeff: Float, bouncing: Boolean)

减速动画

Functions

getDistanceByDuration

open fun getDistanceByDuration(duration: Long): Float

根据时间计算位移距离，无方向性

open fun getDistanceByDuration(duration: Long, frictionCoeff: Float): Float

根据时间计算位移距离，无方向性

getDistanceByVelocity

open fun getDistanceByVelocity(velocity: Float): Float

根据初速度计算位移

open fun getDistanceByVelocity(velocity: Float, frictionCoeff: Float): Float

根据初速度计算位移

getDurationByDistance

open fun getDurationByDistance(distance: Float): Long

根据位移距离计算持续时间

open fun getDurationByDistance(distance: Float, frictionCoeff: Float): Long

根据位移距离计算持续时间

getDurationByVelocity

open fun getDurationByVelocity(velocity: Float): Long

根据初速度计算持续时间

open fun getDurationByVelocity(velocity: Float, frictionCoeff: Float): Long

根据初速度计算持续时间

getVelocityByDistance

open fun getVelocityByDistance(distance: Float): Float

根据位移计算初速度

open fun getVelocityByDistance(distance: Float, frictionCoeff: Float): Float

根据位移计算初速度

reviseDistance

open fun reviseDistance(distance: Float, startValue: Float, modulus: Float): Float

校正位移，确保终点值是模的整数倍

setFlingFrictionRatio

open fun setFlingFrictionRatio(ratio: Float)

设置动摩擦系数倍率

startAnimator

open fun startAnimator(startValue: Float, finalValue: Float, maxDuration: Long)

指定位移距离和最大动画时间，开始减速动画。

open fun startAnimator(startValue: Float, minFinalValue: Float, maxFinalValue: Float, velocity: Float)

指定起止值和初始速度，开始减速动画终点值一定是极小值或者极大值

startAnimator_Distance

open fun startAnimator_Distance(startValue: Float, distance: Float, modulus: Float)

指定位移距离，开始减速动画。无边界

open fun startAnimator_Distance(startValue: Float, minValue: Float, maxValue: Float, distance: Float, modulus: Float)

指定位移距离，开始减速动画。当极大值大于极小值时有边界

startAnimator_Velocity

open fun startAnimator_Velocity(startValue: Float, velocity: Float, modulus: Float)

指定初始速度，开始减速动画。无边界

open fun startAnimator_Velocity(startValue: Float, minValue: Float, maxValue: Float, velocity: Float, modulus: Float)

指定初始速度，开始减速动画。当极大值大于极小值时有边界