ZhihuUserProfileLayout.java 文件源码

@Override
public void scrollBy(@Px int x, @Px int y) {
    int targetY = getScrollY() + y;
    if (targetY >= mMaxScrollY) {
        targetY = mMaxScrollY;
    } else if (targetY <= 0) {
        targetY = 0;
    }
    super.scrollBy(x, targetY - getScrollY());
}