Chapter 4. I/O laboratory
Now we’re going to learn how to make your users and your apps communicate with each other.
This chapter covers
- Input: how your users communicate with your apps
- Output: how your app communicates with your users
- How to get input from a text field and show it as output
- What to do when things go wrong
You’ve learned how to set up an app. Now that you know the basics, you can create apps that produce output ...
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