DecelerateAnimator

class DecelerateAnimator @JvmOverloads() constructor(context: Context, mBounceCoeff: Float, isBouncing: Boolean) : ValueAnimator

减速动画，默认启用回弹效果。

Author

Simon Lee

Constructors

DecelerateAnimator

fun DecelerateAnimator(context: Context, bouncing: Boolean)

DecelerateAnimator

@JvmOverloads()

fun DecelerateAnimator(context: Context, mBounceCoeff: Float = 10f, isBouncing: Boolean = true)

Functions

getDistanceByDuration

@JvmOverloads()

fun getDistanceByDuration(duration: Long, frictionCoeff: Float = 1f): Float

根据时间计算位移距离，无方向性

getDistanceByVelocity

@JvmOverloads()

fun getDistanceByVelocity(velocity: Float, frictionCoeff: Float = 1f): Float

根据初速度计算位移

getDurationByDistance

@JvmOverloads()

fun getDurationByDistance(distance: Float, frictionCoeff: Float = 1f): Long

根据位移距离计算持续时间

getDurationByVelocity

@JvmOverloads()

fun getDurationByVelocity(velocity: Float, frictionCoeff: Float = 1f): Long

根据初速度计算持续时间

getVelocityByDistance

@JvmOverloads()

fun getVelocityByDistance(distance: Float, frictionCoeff: Float = 1f): Float

根据位移计算初速度

reviseDistance

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

fun setFlingFrictionRatio(ratio: Float)

设置动摩擦系数倍率

startAnimator

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。

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

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

指定位移距离，开始减速动画。无边界

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

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

指定初始速度，开始减速动画。无边界

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