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App Inventor 2 PopupMenu与列表选择器自定义教程 · App Inventor 2 中文网
...颜色？
Q2: 如何实现右键菜单（长按弹出）？
Q3: Spinner选中后颜色不变？
总结
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概述
App Inventor没有内置PopupMenu组件。但可以通过ListPicker、Spinner和自定义方案实现类似效果。
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