android.view.animation
Class AccelerateDecelerateInterpolator

java.lang.Object
  android.view.animation.AccelerateDecelerateInterpolator

All Implemented Interfaces:

Interpolator

public class AccelerateDecelerateInterpolator
extends Object
implements Interpolator

An interpolator where the rate of change starts and ends slowly but accelerates through the middle.

Constructor Summary

AccelerateDecelerateInterpolator()

AccelerateDecelerateInterpolator(Context context, AttributeSet attrs)

Method Summary

float

getInterpolation(float input) Maps a point on the timeline to a multiplier to be applied to the transformations of an animation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AccelerateDecelerateInterpolator

public AccelerateDecelerateInterpolator()

AccelerateDecelerateInterpolator

public AccelerateDecelerateInterpolator(Context context,
                                        AttributeSet attrs)

Method Detail

getInterpolation

public float getInterpolation(float input)

Description copied from interface: Interpolator

Maps a point on the timeline to a multiplier to be applied to the transformations of an animation.

Specified by:

getInterpolation in interface Interpolator

Parameters:

input - A value between 0 and 1.0 indicating our current point in the animation where 0 represents the start and 1.0 represents the end

Returns:

The interpolation value. This value can be more than 1.0 for Interpolators which overshoot their targets, or less than 0 for Interpolators that undershoot their targets.