Beginning Flutter

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 InheritedWidget as 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 LoginBloc class to the Login page
• How to apply the AuthenticationBloc class to manage user credentials for app‐wide state management
• How to apply the HomeBloc class to the home page to list, add, and delete journal entries
• How to apply the JournalEditBloc to the journal edit page to add or modify an existing entry
• How to build reactive widgets by implementing the StreamBuilder widget
• How to use the ListView.separated constructor to build a list of journal entries with a divider line by using the Divider() widget
• How to use the Dismissible widget to swipe and delete an entry
• How to use the Dismissible widget confirmDismiss property 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 MoodIcons class 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 the MoodIcons class
• How to apply the FormatDates class to format dates

In this chapter, you'll continue to edit and complete ...