Can you develop a loaded component

[junmaqiang]

Checklist

• [X] I have searched the issue tracker for open issues that relate to the same feature, before opening a new one.
• [X] This issue only relates to a single feature. I will open new issues for any other features.

Is your feature request related to a problem?

There is an asynchronous interaction action in daily software, so it is necessary to load this component

Is it possible to construct a solution with the existing API?

No response

Describe the solution you'd like to see.

Similar to the following effect

https://media.tenor.com/qXzHf2tesO0AAAAM/loading-gif-steiness.gif

[andydotxyz]

widget.NewActivity()

https://docs.fyne.io/api/v2.5/widget/activity.html

[andydotxyz]

Please don't ask questions with feature requests.