How can my app generate a unique code every time and open a unique virtual/real screen?

MIT App Inventor Help
1

Hi,
The virtual screen can only seen by the person who has that unique code.

2

you can use (random integer) Lets see this :

3

I don't think so this is solution.

4

yes, of course

5

Please help me in solving this problem.

6

how can that person get that unique code when it is generated every time?
you might want to elaborate so someone might be able to give a better advice...
Taifun

Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by Taifun.