SwipeRefreshLayout.java 文件源码

private void animateOffsetToCorrectPosition(int from, AnimationListener listener) {
    mFrom = from;
    mAnimateToCorrectPosition.reset();
    mAnimateToCorrectPosition.setDuration(ANIMATE_TO_TRIGGER_DURATION);
    mAnimateToCorrectPosition.setInterpolator(mDecelerateInterpolator);
    if (listener != null) {
        mCircleView.setAnimationListener(listener);
    }
    mCircleView.clearAnimation();
    mCircleView.startAnimation(mAnimateToCorrectPosition);
}