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大家好!我想为 SliverAppBar 添加两个不同的图像。一个用于应用栏折叠时,一个用于扩展应用栏。在上图中折叠的应用栏。下图为扩展的应用栏。
我怎样才能做到这一点?以及如何制作动画图像以平滑地从展开到折叠并反向传输?请帮忙!