HELP | How to create a username

[Bimbim Hatmaja]

hi, can you help my work ..

like this

I have an application must register before going to the main page ..

and its points, how do users create a username by not using the username that has been used.

I use the google app engine database

please help me

[TimAI2]

This might help

or this

or this

For more just google "appinventor login system"  (or similar)

If you haven't done it already....

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