Flutter

This Flutter training course provides skills needed to successfully build basic and robust Flutter applications. You will start out by learning how to use the Dart programming language, debug Flutter, create custom widgets, layout a screen, and respond to gestures.

Then you will take a deeper dive into more advanced skills including how to implement responsive design, style widgets, manage state, make RESTful API calls with HTTP/HTTPS, and more.

Objectives:

• Write a cross-platform app that will run on any of the 5 billion iOS/Android cell phones in the world, as well as in browser and desktop environments
• Develop and debug Flutter apps
• Leverage the elegance of the Dart programming language in Flutter apps
• Apply themes and styles
• Write custom widgets
• Respond to gestures like taps, swipes, and pinches
• Precisely control the layout of apps in a responsive way
• Handle form data entry from users
• Make multiscreen apps with navigation, menus, and tabs
• Use Flutter to read and write data from an online RESTful API
• Find and include 3rd party libraries

Course Agenda:

• Overview
• What is Flutter?
• Why Flutter?
• The other options
• Native solutions
• Dart Language Overview
• What is Dart?
• Expected features – Dart Cheatsheet
• Data types, Arrays/lists
• Classes
• Conditionals and loops
• Unexpected things about Dart
• Type inference
• final and const
• String interpolation with $
• Spread operator
• Map(foo, bar)
• Functions are objects
• Big arrow/Fat arrow
• Named function parameters
• Omitting “new” and “this.”
• Class constructor parameter shorthand
• Private class members
• Mixins
• The cascade operator (..)
• No overloading
• Named constructors
• Developing in Flutter
• The Flutter toolchain
• The Flutter SDK
• IDEs
• IDE DevTools
• Emulators
• Keeping the tools up to date
• The Flutter development process
• Scaffolding the app and files
• Running your app
• Everything Is Widgets
• UI as code
• Built-in Flutter widgets
• Value widgets
• Layout widgets
• Navigation widgets
• Other widgets
• How to create stateless widgets
• Widgets have keys
• Passing a value into your widget
• Stateless and Stateful widgets
• So which one should I create?
• Value Widgets
• The Text widget
• The Icon widget
• The Image widget
• Embedded images
• Network images
• Sizing an image
• Input widgets
• Text fields
• Putting the form widgets together
• Form widget
• FormField widget
• One big Form example
• Responding to Gestures
• Meet the button family
• RaisedButton
• FlatButton and IconButton
• FloatingActionButton
• CupertinoButton
• Dismissible
• Custom gestures for your custom widgets
• Reacting to a long press
• Pinching to add a new item
• Swiping left or right
• The gesture arena
• Laying Out Your Widgets
• Laying out the whole scene
• MaterialApp widget
• The Scaffold widget
• The AppBar widget
• SafeArea widget
• SnackBar widget
• How Flutter decides on a widget’s size
• The dreaded “unbounded height” error
• Flutter’s layout algorithm
• Putting widgets next to or below others
• Your widgets will never fit!
• What if there’s extra space left over?
• mainAxisAlignment
• crossAxisAlignment
• Expanded widget
• What if there’s not enough space?
• The ListView widget
• Container widget and the box model
• Alignment and positioning within a Container
• So how do you determine the size of a Container?
• Special layout widgets
• Stack widget
• GridView widget
• The Table widget
• Navigation and Routing
• Stack navigation
• Navigating forward and back
• Get result after a scene is closed
• Drawer navigation
• The Drawer widget
• Filling the drawer
• Tab Navigation
• TabController
• TabBar and Tabs
• The Dialog widget
• showDialog( ) and AlertDialog
• Responses with a Dialog
• Navigation methods can be combined
• Styling Your Widgets
• Thinking in Flutter Styles
• A word about colors
• Styling Text
• TextStyle
• Custom fonts
• Container decorations
• Border
• BorderRadius
• BoxShape
• Stacking widgets
• Positioned widget
• Card widget
• Themes
• Applying theme properties