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当我到达 GridView 的最后一个元素时,我想动态更改一些布局参数。我的 gridView 包含 50 个元素,所以当用户从 1 行开始滚动时,当用户到达最后一个元素时,我想更改一些布局参数。并且当用户向上滚动将更改的参数恢复为原始值时。