August 2022
Beginner
912 pages
19h 57m
English
Content preview from Coding All-in-One For Dummies, 2nd Edition
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Chapter 5
Making Things Happen
IN THIS CHAPTER
What happens when you press buttons on a device's screen
The truth about widget states
How to remain anonymous
How to move variables from one place to another
Until now, you've only used Flutter to build static apps. A static app always does the same thing. Through building these static apps, you've learned about Flutter's programming strategies, constructors, functions, and other good stuff. But here in Chapter 5, you're going to learn to make more interesting apps. An app that always displays the same text is boring, and users will rate the app with zero stars. An interesting app interacts with the user. The app's screen changes when the user enters text, taps a button, moves a slider, or does something else to get a useful response from the app. Making things happen is essential for any kind of mobile app development. So, in this chapter, you begin learning how to make things happen.
Let's All Press a Floating Action Button
When you create a new Flutter project, Android Studio makes a main.dart file for you. The main.dart file ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.