Can I create a screen to ask users to enter 'gmail' & 'phone number' only for the first time when they open the app. After that the same screen will not be visible to users. How do I achieve this?

MIT App Inventor Help
1

I wish to ask details like gmail & phone no. for the first time when they are using my app. If they enter once, the app should not ask the same details again. How can i do this?

2

On app start (Screen1.Initialize) retrieve the TinyDB values for tags GMAIL and PHONENO, default blank.

If they come back blank, ask for them and store them.

3

There is a lot of "trust" going on in your app, from users. gmail account address AND mobile number ?

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