Example usage for android.animation TimeInterpolator getInterpolation

Introduction

In this page you can find the example usage for android.animation TimeInterpolator getInterpolation.

Prototype

float getInterpolation(float input);

Source Link

Document

Maps a value representing the elapsed fraction of an animation to a value that represents the interpolated fraction.

Usage

From source file:com.taobao.weex.ui.animation.DimensionUpdateListener.java

@Override
public void onAnimationUpdate(ValueAnimator animation) {
    if (view.getLayoutParams() != null) {
        ViewGroup.LayoutParams layoutParams = view.getLayoutParams();
        TimeInterpolator interpolator = animation.getInterpolator();
        float fraction = animation.getAnimatedFraction();
        int preWidth = layoutParams.width;
        int preHeight = layoutParams.height;
        if (width != null) {
            layoutParams.width = intEvaluator.evaluate(interpolator.getInterpolation(fraction), width.first,
                    width.second);//from   w  w w  .j a  v  a  2s .co  m
        }
        if (height != null) {
            layoutParams.height = intEvaluator.evaluate(interpolator.getInterpolation(fraction), height.first,
                    height.second);
        }
        if (preHeight != layoutParams.height || preWidth != layoutParams.width) {
            view.requestLayout();
        }
    }
}

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