RayLayout.java 文件源码

private static Animation createExpandAnimation(float fromXDelta, float toXDelta, float fromYDelta, float toYDelta,
        long startOffset, long duration, Interpolator interpolator) {
    Animation animation = new RotateAndTranslateAnimation(0, toXDelta, 0, toYDelta, 0, 720);
    animation.setStartOffset(startOffset);
    animation.setDuration(duration);
    animation.setInterpolator(interpolator);
    animation.setFillAfter(true);

    return animation;
}