Dart and Flutter: The Complete Developer's Guide

Description

In this course, you will :

• Build beautiful multi-screen apps with Flutter.
• Understand the different approaches for loading and maintaining data in Flutter apps.
• Create and publish open source projects using Dart.
• Learn how to build offline-enabled apps with incredibly efficient data loading.
• Comprehend the best method for reading the incredible amount of Flutter documentation.
• Store long-term data on a user's physical device using SQLite.
• Master streams and understand reactive programming to create Flutter apps.

Syllabus :

1. A Dart Introduction

• The Dartpad Editor
• Our First Program
• Pulling the Pieces Apart
• Functions in Dart
• Introduction to Types
• Why Use Types?
• String Interpolation
• Object Oriented Programming in Dart
• Creating Classes
• Creating Class Instances
• Constructor Functions
• Review on Constructors

 

2. Staying on Target with Dart

• OOP Design Flow
• Adding Fields to Classes
• Associated Methods
• More Initialization with Constructors
• For Loops
• Adding Elements to Lists
• More on Variable Initialization
• Customizing Print Statements
• ToString on Cards
• Shuffling a List
• Annotating Argument Types
• Filtering Lists
• Annotating Argument Types
• Filtering Lists
• Shorthand Function Syntax
• Removing Individual Records
• RemoveCard Implementation
• Named Parameters

 

3. Flutter Environment Setup - MacOS

• Flutter Setup on MacOS
• SDK Extraction
• Editing the PATH Variable
• XCode License
• Generating Flutter Projects

 

4. MacOS Setup - Android

• Android Setup on MacOS
• Android Dependencies
• Android Project Setup
• More Android Dependencies!
• Android Emulator Creation
• Flutter Startup
• Finished Android Setup

 

5. MacOS Setup - iOS

• iOS on Mac Setup
• XCode Setup
• iOS Simulator Startup
• App Startup

 

6. Flutter Setup on PC

• Flutter Install
• More Flutter Installation
• Android Install
• Additional Dependencies
• Generating a Project
• Selecting an Image
• Starting the Emulator

 

7. App Building Time!

• Code Editor Setup
• What's Flutter About, Anyways?
• The Four Step Design Process
• Import Statements
• Creating Widgets
• Displaying Content on Screen
• Showing a Scaffold
• Customizing the App Bar
• Named Parameter Clarification
• Required Parameters
• Child Parameters
• Displaying Icons
• Adding Custom Widgets

 

8. State Design with Flutter Apps

• Stateless vs Stateful Widgets
• The Build Method
• Local Import Statements
• Quick Breather and Review
• Refactoring Stateless to Stateful
• More Refactoring to Stateful Widgets

 

9. High-Level Dart

• Generics in Dart
• Why Two Classes?

 

10. HTTP Requests with Flutter

• Photos API
• Working with JSON
• Casting JSON to Model Instances
• Named Constructors
• Adding an Image Model
• Function References
• The HTTP Package
• Issuing HTTP Requests
• Handling Dart Futures
• Parsing Future Responses into a Model
• Updating the AppState Widget
• Building Lists of Widgets
• Sending Images to the ImageList
• The Final Keyword
• Building Lists with ListView
• Listing URL's
• Text to Images
• Containers for Positioning
• Adding Border Style
• Column Widgets for Layout
• Selective Padding

 

11. Forms and Validation with Flutter

• Boilerplate App Code
• Creating the Login Screen
• More Container Styling
• Labels and Hint Text
• Customizing Keyboard Type
• Handling Password Inputs
• Displaying Buttons with RaisedButton
• Changing Widget Colors
• Layout Control
• Form Validation
• Referencing Widgets with Global Keys
• The Form Widget and FormState
• Creating a Global Key
• Referencing FormState with Global Keys
• Validating via FormState
• Triggering Validation
• Retrieving Form Values
• Final Form Submittal
• Code Reuse with Mixins
• Mixin Validator Implementation

 

12. Reactive Programming with Dart

• A Quick Detour
• Streams by Analogy
• Characteristics of Streams
• StreamControllers and Sinks
• Mapping a Stream
• Adding a StreamTransformer
• Implementing the Listener
• Stream Review
• Let's Build a Game
• Why Streams?
• Word Guessing
• Stream's 'Take' and 'Where' Functions
• Validation with Streams
• Email Validation
• Wiring up the Error

 

13. Advanced Flutter Architecture - The Bloc Pattern

• BLOC's vs Stateful Widgets
• The Purpose of Streams with Blocs
• Generating a New Project
• App Boilerplate
• Second Time on LoginScreen
• TextFields with RaisedButtons
• How to Use TextFields
• BLOC Design for TextFields
• Annotating Stream Types
• Issues with Bloc Access
• Shortcut Access with Getters
• Public vs Private Fields
• Improving the BLOC Api
• Validation Transformers
• A Technicality Around Mixins
• Cleaning Up Controllers
• Bloc Application

 

14. Consuming BLOC Data

• The StreamBuilder Widget
• Streambuilder for Password Fields
• Scoped Bloc Approach
• Provider Implementation
• The Provider's 'of' Function
• The Provider's Constructor
• The Provider in Action
• Accessing the Bloc
• Breather and Review
• Enabling Form Submission
• Stream Merging Possibilities

 

15. RxDart for Reactive Programming

• Introducing RxDart
• More on RxDart
• The CombineLatest Function
• CombineLatest in Action
• More on StreamBuilder
• Interpreting Stream Values
• Broadcast Streams
• Disabled by Default
• Replacing Controllers with Subjects
• Review of BLOCs

 

16. Building Delightful Animations

• Animation Library Classes
• App Boilerplate
• StatefulWidgets for Animations
• Widget Structure
• Displaying a Cat
• The InitState Method
• Declaring the TickerProvider
• Tweens with Curves
• Performance Savings with AnimatedBuilder
• Nature of Animation
• Starting the Animation
• Watching for Taps with GestureDetector
• Reversing Animation States
• Building the Box
• Layouts with the Stack Widget
• Order of Drawing Widgets
• Add Center Widget
• Positioned Widgets
• Expanding Stack Dimensions
• Three Reasons for Strange Layouts
• Positioned Constraints
• Negative Offsets
• Stack Clip Settings
• Adjusting Tween Ranges
• Adding Box Flaps
• Rotating Widgets
• Rotation by Radians
• Changing Rotation Point
• A Touch of Positioning
• BoxAnimation Controller
• Adding Animated Builders
• Resetting Animations
• Constraining Animation Range
• Adding the Right Flap
• Negative Rotation Values
• Toggling Animation State
• Animation Wrapup

 

17. Performant Data Fetching

• App Overview
• Hacker News API
• More API Challenges
• API Performance Strategy
• Creating the ItemModel Class
• A Few More ItemModel Properties
• API Provider Implementation
• Fetching Individual Items

 

18. Testing with Flutter and Dart

• Testing with Dart
• A Few Imports
• Writing Expectations
• Mocking HTTP Requests
• Returning JSON
• Testing FetchItem

 

19. Offline Data Storage

• SQLite DB Provider
• Database Imports
• Async Constructors
• Creating a DB Connection
• Creating Tables with SQLite
• Adding Table Columns
• Issuing Queries
• Multiple Named Constructors
• Massaging DB Return Maps
• Turning Class Instances to Maps
• Implementing the Repository
• More on the Repository
• Type Annotations
• Casting Lists

 

20. Type Design

• More on the Repository
• Abstract Classes
• The Need for Abstract Classes
• Why Abstract Classes?
• More on Abstract Classes
• Repository Interface Design
• Defining the Source
• Cache Definitions
• Lists of Sources and Caches
• Ultimate Reusability
• Quick Gotcha
• Another Quick Gotcha!
• FetchTopIds Implementation

 

21. On Demand Widget Rendering

• App Setup
• A Touch of Boilerplate
• Data Fetching Concerns
• Solution Outline
• FutureBuilder in Action
• The Stories Provider
• Bloc Design
• Exposing Bloc Getters
• Wiring up the Stories Provider
• Bloc Testing
• Type Annotations Solve Problems
• Circular Progress Indicator
• Item Fetching Architecture
• Giant Gotcha with StreamBuilder
• Giant Gotcha Solution
• Implementing ScanStreamTransformer
• Finishing the ScanStreamTransformer
• Adding the Items Controller
• A Gotcha Around Streams? Impossible!
• Single Transformer Application
• The ListView Tile
• StreamBuilder Setup
• Wrapping Up the FutureBuilder
• Double Gotcha!
• Stream Subscriptions
• Stream Subscription Fix
• Additional Streams
• A Laborious Refactor
• Result of Refactor
• Quick Debug Session
• Resolving Database Conflicts
• Building Story Tiles
• Comments Icon
• Applying Dividers with Height
• Loading Container Stand-in
• Building the Loading Container
• Showing the Loading Container
• Long-Lived Cache Values
• Swipe to Refresh Indicator
• Implementing a Refresh Widget
• Clearing Database Tables
• Communicating a Future to onRefresh

 

22. Navigation with Flutter

• Navigation in Flutter
• Map Based Routing
• OnGenerateRoute-Based Navigation
• OnGenerateRoute Implementation
• Navigating in Style!
• A PageRoute for NewsDetail
• A Scaffold in NewsDetail
• Parsing Route Settings
• The Comments Bloc Provider
• Comments Bloc Design
• More on Comments Bloc
• Recursive Data Fetching
• Quick Fix
• Connecting the Comments Provider
• Testing Recursive Fetching
• Consuming the Item Map
• Displaying the Story Title
• Text Styling
• Container Alignment
• Building the Comments List
• More Logic Extraction
• The Comment Widget
• Comment's FutureBuilder
• Showing Individual COmments
• Recursive Rendering
• Styling the Comment List
• Defaulting Null Values
• Handling Deleted Comments
• Nested Comments
• ListTile's ContentPadding Property
• Replacing Placeholder Characters
• Loading Containers for Comments
• App Wrapup
• Last Fix!

 

23. Appendix One: Building Open Source with Dart

• Dart Local Installation
• Dart Install on Mac
• Editor Setup for Dart
• App Overview
• Folder and File Structure
• The PubSpec File
• Running Dart Files
• Program Design Methodology
• Class Creation
• Terminal Design
• Terminal Implementation
• Stdout and Stdin
• Import Statements
• Stdout Instance
• More on Import Statements
• Testing the Import Class
• Checking Operating System
• Clearing Windows Terminal
• Clearing Other Terminals
• Testing ClearScreen
• Collecting Input Over Stdin
• Option Class FIelds
• Adding Dynamic Fields
• Printing Individual Options
• Testing Option Printing
• List Shortcomings
• Maps in Dart
• Refactor to Maps
• The Prompter Class
• Testing the Prompter
• Extracting the Terminal
• Var vs Final for Variables
• Final's Affect on Values
• Const's Dual Nature
• Const's Behavior by Type
• Marking Terminal as Const
• Private Variables
• Finishing Prompter
• Error Handling
• Asking Binary Questions
• Testing Binary Inputs
• Code Similarities
• Refactor for Code Reuse
• More on Private
• Central Lib File
• A Single Export Point
• A Relevant Example File
• Outstanding Project Config
• Uploading the Prompter Lib

 

24. Appendix Two: Building a Dart CLI

• App Overview
• Project Setup
• Importing Library Code
• Forcibly Exiting a Program
• Prompting for File Type
• Implementation Flow
• Working with the Current Directory
• Filtering Non-Files
• Filtering Non-Images
• Building Options from Images
• Testing Image Selection
• Converting Images
• The ConvertImage Function
• Reading File Contents
• Encoding to JPG or PNG
• Writing Files to the Hard Drive
• Returning the Image Name
• Testing Image Conversion
• Opening the Image

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