October 2019
Beginner
528 pages
12h 37m
English
Content preview from Beginning Flutter
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16Adding BLoCs to Firestore Client App Pages
WHAT YOU WILL LEARN IN THIS CHAPTER
- How to pass app‐wide state management between pages
- How to apply local‐state management in the widget tree
- How to apply the
InheritedWidgetas a provider to pass state between widgets and pages - How to use dependency injection to inject service classes to the BLoC classes to achieve platform independence
- How to apply the
LoginBlocclass to the Login page - How to apply the
AuthenticationBlocclass to manage user credentials for app‐wide state management - How to apply the
HomeBlocclass to the home page to list, add, and delete journal entries - How to apply the
JournalEditBlocto the journal edit page to add or modify an existing entry - How to build reactive widgets by implementing the
StreamBuilderwidget - How to use the
ListView.separatedconstructor to build a list of journal entries with a divider line by using theDivider()widget - How to use the
Dismissiblewidget to swipe and delete an entry - How to use the
DismissiblewidgetconfirmDismissproperty to prompt a delete confirmation dialog - How to use the
DropdownButton()widget to present a list of moods with the title, color, and icon rotation - How to apply the
MoodIconsclass to retrieve the mood title, color, rotation, and icon - How to apply the
Matrix4 rotateZ()method to rotate icons according to the mood in conjunction with theMoodIconsclass - How to apply the
FormatDatesclass to format dates
In this chapter, you'll continue to edit and complete ...
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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.