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canPullDown这个实现的方法有问题 #19

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bailibaili opened this issue May 3, 2016 · 0 comments

bailibaili commented May 3, 2016 •

edited

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@Override
public boolean canPullDown()
{
    if (getCount() == 0)
    {
        // 没有item的时候也可以下拉刷新
        return true;
    } else if (“--————-getFirstVisiblePosition() == 0
            && getChildAt(0).getTop() >= 0---——————”)
    {
        // 滑到ListView的顶部了
        return true;
    } else
        return false;
}

else if中，横线之间的部分没有做非空处理，有空指针异常！！！！

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