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MIT App Inventor Help
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元件標籤超級難找 建議創立尋找元件功能謝謝

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Welcome,

That already exists.

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Are you referring to the Elements of a List Picker, ListView, or Spinner?

To create new Elements, it is better to keep the data for your Elements elsewhere, like in TinyDB, for update purposes, then copy it out to fill your Elements all at once.

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