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BounceInterpolator.javaAPI DocAndroid 5.1 API2080Thu Mar 12 22:22:10 GMT 2015android.view.animation

BounceInterpolator

public class BounceInterpolator extends BaseInterpolator implements com.android.internal.view.animation.NativeInterpolatorFactory
An interpolator where the change bounces at the end.

Fields Summary
Constructors Summary
public BounceInterpolator()
public BounceInterpolator(android.content.Context context, android.util.AttributeSet attrs)
Methods Summary
private static floatbounce(float t)

        return t * t * 8.0f;
public longcreateNativeInterpolator()

hide

        return NativeInterpolatorFactoryHelper.createBounceInterpolator();
public floatgetInterpolation(float t)

        // _b(t) = t * t * 8
        // bs(t) = _b(t) for t < 0.3535
        // bs(t) = _b(t - 0.54719) + 0.7 for t < 0.7408
        // bs(t) = _b(t - 0.8526) + 0.9 for t < 0.9644
        // bs(t) = _b(t - 1.0435) + 0.95 for t <= 1.0
        // b(t) = bs(t * 1.1226)
        t *= 1.1226f;
        if (t < 0.3535f) return bounce(t);
        else if (t < 0.7408f) return bounce(t - 0.54719f) + 0.7f;
        else if (t < 0.9644f) return bounce(t - 0.8526f) + 0.9f;
        else return bounce(t - 1.0435f) + 0.95f;