Dart and Flutter: The Complete Developer’s Guide

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Everything you need to know for building mobile apps with Flutter and Dart, including RxDart and Animations!

01 - Lets Dive In!

001 How to Get Help

002 Course Resources.html

002 diagrams.zip

003 Join Our Community!.html

004 Course Organization

02 - A Dart Introduction

001 Dart Overview

002 The Dartpad Editor

003 Our First Program

004 Pulling the Pieces Apart

005 Functions in Dart

006 Introduction to Types

007 Why Use Types

008 String Interpolation

009 Object Oriented Programming in Dart

010 Creating Classes

011 Creating Class Instances

012 Constructor Functions

013 Review on Constructors

03 - Staying on Target with Dart

001 App Overview

002 OOP Design Flow

003 Adding Fields to Classes

004 Associated Methods

005 More Initialization with Constructors

006 For Loops

007 Adding Elements to Lists

008 More on Variable Initialization

009 Customizing Print Statements

010 ToString on Cards

011 Shuffling a List

012 Annotating Argument Types

013 Filtering Lists

014 Annotating Argument Types

015 Filtering Lists

016 Shorthand Function Syntax

017 Removing Individual Records

018 RemoveCard Implementation

019 Named Parameters

04 - Flutter Environment Setup - MacOS

001 Flutter Setup on MacOS

002 SDK Extraction

003 Editing the PATH Variable

004 XCode License

005 Generating Flutter Projects

05 - MacOS Setup - Android

001 Android Setup on MacOS

002 Android Dependencies

003 Android Project Setup

004 More Android Dependencies!

005 Android Emulator Creation

006 Flutter Startup

007 Finished Android Setup

06 - MacOS Setup - iOS

001 iOS on Mac Setup

002 XCode Setup

003 iOS Simulator Startup

004 App Startup

07 - Flutter Setup on PC

001 Flutter Install

002 More Flutter Installation

003 Android Install

004 Additional Dependencies

005 Generating a Project

006 Selecting an Image

007 Starting the Emulator

008 Finishing Android Setup

08 - App Building Time!

001 Code Editor Setup.html

002 Whats Flutter About, Anyways

003 App Overview

004 The Four Step Design Process

005 Import Statements

006 Creating Widgets

007 Displaying Content on Screen

008 Showing a Scaffold

009 Customizing the App Bar

010 Named Parameter Clarification

011 Required Parameters

012 Child Parameters

013 Displaying Icons

014 Adding Custom Widgets

09 - State Design with Flutter Apps

001 Stateless vs Stateful Widgets

002 The Build Method

003 Local Import Statements

004 Quick Breather and Review

005 Refactoring Stateless to Stateful

006 More Refactoring to Stateful Widgets

10 - High-Level Dart

001 Generics in Dart

002 Why Two Classes

11 - HTTP Requests with Flutter

001 Photos API

002 Working with JSON

003 Casting JSON to Model Instances

004 Named Constructors

005 Adding an Image Model

006 Function References

007 The HTTP Package

008 Issuing HTTP Requests

009 Handling Dart Futures

010 Parsing Future Responses into a Model

011 Updating the AppState Widget

012 Building Lists of Widgets

013 Sending Images to the ImageList

014 The Final Keyword

015 Building Lists with ListView

016 Listing URLs

017 Text to Images

018 Containers for Positioning

019 Adding Border Style

020 Column Widgets for Layout

021 Selective Padding

022 App Review

12 - Forms and Validation with Flutter

001 App Overview

002 Boilerplate App Code

003 Creating the Login Screen

004 More Container Styling

005 Labels and Hint Text

006 Customizing Keyboard Type

007 Handling Password Inputs

008 Displaying Buttons with RaisedButton

009 Changing Widget Colors

010 Layout Control

011 Form Validation

012 Referencing Widgets with Global Keys

013 The Form Widget and FormState

014 Creating a Global Key

015 Referencing FormState with Global Keys

016 Validating via FormState

017 Triggering Validation

018 Retrieving Form Values

019 Final Form Submittal

020 Code Reuse with Mixins

021 Mixin Validator Implementation

13 - Reactive Programming with Dart

001 A Quick Detour

002 Streams by Analogy

003 Characteristics of Streams

004 StreamControllers and Sinks

005 Mapping a Stream

006 Adding a StreamTransformer

007 Implementing the Listener

008 Stream Review

009 Lets Build a Game

010 Why Streams

011 Word Guessing

012 Streams Take and Where Functions

013 Validation with Streams

014 Email Validation

015 Wiring up the Error

14 - Advanced Flutter Architecture - The Bloc Pattern

001 BLOCs vs Stateful Widgets

002 The Purpose of Streams with Blocs

003 Generating a New Project

004 App Boilerplate

005 Second Time on LoginScreen

006 TextFields with RaisedButtons

007 How to Use TextFields

008 BLOC Design for TextFields

009 Annotating Stream Types

010 Issues with Bloc Access

011 Shortcut Access with Getters

012 Public vs Private Fields

013 Improving the BLOC Api

014 Validation Transformers

015 A Technicality Around Mixins

016 Cleaning Up Controllers

017 Bloc Application

15 - Consuming BLOC Data

001 The StreamBuilder Widget

002 Streambuilder for Password Fields

003 Scoped Bloc Approach

004 Provider Implementation

005 The Providers of Function

006 The Providers Constructor

007 The Provider in Action

008 Accessing the Bloc

009 Breather and Review

010 Enabling Form Submission

011 Stream Merging Possibilities

16 - RxDart for Reactive Programming

001 Introducing RxDart

002 More on RxDart

003 The CombineLatest Function

004 CombineLatest in Action

005 More on StreamBuilder

006 Interpreting Stream Values

007 Broadcast Streams

008 Disabled by Default

009 Replacing Controllers with Subjects

010 Review of BLOCs

17 - Building Delightful Animations

001 App Overview

002 Animation Library Classes

003 App Boilerplate

004 StatefulWidgets for Animations

005 Widget Structure

006 Displaying a Cat

007 The InitState Method

008 Declaring the TickerProvider

009 Tweens with Curves

010 Performance Savings with AnimatedBuilder

011 Nature of Animation

012 Starting the Animation

013 Watching for Taps with GestureDetector

014 Reversing Animation States

015 Building the Box

016 Layouts with the Stack Widget

017 Order of Drawing Widgets

018 Add Center Widget

019 Positioned Widgets

020 Expanding Stack Dimensions

021 Three Reasons for Strange Layouts

022 Positioned Constraints

023 Negative Offsets

024 Stack Clip Settings

025 Adjusting Tween Ranges

026 Adding Box Flaps

027 Rotating Widgets

028 Rotation by Radians

029 Changing Rotation Point

030 A Touch of Positioning

031 BoxAnimation Controller

032 Adding Animated Builders

033 Resetting Animations

034 Constraining Animation Range

035 Adding the Right Flap

036 Negative Rotation Values

037 Toggling Animation State

038 Animation Wrapup

18 - Performant Data Fetching

001 App Overview

002 Hacker News API

003 More API Challenges

004 API Performance Strategy

005 Creating the ItemModel Class

006 A Few More ItemModel Properties

007 API Provider Implementation

008 Fetching Individual Items

19 - Testing with Flutter and Dart

001 Testing with Dart

002 A Few Imports

003 Writing Expectations

004 Mocking HTTP Requests

005 Returning JSON

006 Testing FetchItem

20 - Offline Data Storage

001 SQLite DB Provider

002 Database Imports

003 Async Constructors

004 Creating a DB Connection

005 Creating Tables with SQLite

006 Adding Table Columns

007 Issuing Queries

008 Multiple Named Constructors

009 Massaging DB Return Maps

010 Turning Class Instances to Maps

011 Implementing the Repository

012 More on the Repository

013 Type Annotations

014 Casting Lists

21 - Type Design

001 More on the Repository

002 Abstract Classes

003 The Need for Abstract Classes

004 Why Abstract Classes

005 More on Abstract Classes

006 Repository Interface Design

007 Defining the Source

008 Cache Definitions

009 Lists of Sources and Caches

010 Ultimate Reusability

011 Quick Gotcha

012 Another Quick Gotcha!

013 FetchTopIds Implementation

22 - On Demand Widget Rendering

001 App Setup

002 A Touch of Boilerplate

003 Data Fetching Concerns

004 Solution Outline

005 FutureBuilder in Action

006 The Stories Provider

007 Bloc Design

008 Exposing Bloc Getters

009 Wiring up the Stories Provider

010 Bloc Testing

011 Type Annotations Solve Problems

012 Circular Progress Indicator

013 Item Fetching Architecture

014 Giant Gotcha with StreamBuilder

015 Giant Gotcha Solution

016 Implementing ScanStreamTransformer

017 Finishing the ScanStreamTransformer

018 Adding the Items Controller

019 A Gotcha Around Streams Impossible!

020 Single Transformer Application

021 The ListView Tile

022 StreamBuilder Setup

023 Wrapping Up the FutureBuilder

024 Double Gotcha!

025 Stream Subscriptions

026 Stream Subscription Fix

027 Additional Streams

028 A Laborious Refactor

029 Result of Refactor

030 Quick Debug Session

031 Resolving Database Conflicts

032 Building Story Tiles

033 Comments Icon

034 Applying Dividers with Height

035 Loading Container Stand-in

036 Building the Loading Container

037 Showing the Loading Container

038 Long-Lived Cache Values

039 Swipe to Refresh Indicator

040 Implementing a Refresh Widget

041 Clearing Database Tables

042 Communicating a Future to onRefresh

23 - Navigation with Flutter

001 Navigation in Flutter

002 Map Based Routing

003 OnGenerateRoute-Based Navigation

004 OnGenerateRoute Implementation

005 Navigating in Style!

006 A PageRoute for NewsDetail

007 A Scaffold in NewsDetail

008 Parsing Route Settings

009 The Comments Bloc Provider

010 Comments Bloc Design

011 More on Comments Bloc

012 Recursive Data Fetching

013 Quick Fix.html

014 Connecting the Comments Provider

015 Testing Recursive Fetching

016 Consuming the Item Map

017 Displaying the Story Title

018 Text Styling

019 Container Alignment

020 Building the Comments List

021 More Logic Extraction

022 The Comment Widget

023 Comments FutureBuilder

024 Showing Individual COmments

025 Recursive Rendering

026 Styling the Comment List

027 Defaulting Null Values

028 Handling Deleted Comments

029 Nested Comments

030 ListTiles ContentPadding Property

031 Replacing Placeholder Characters

032 Loading Containers for Comments

033 App Wrapup

034 Last Fix!

24 - Appendix One Building Open Source with Dart

001 Dart Local Installation

002 Dart Install on Mac

003 Editor Setup for Dart

004 App Overview

005 Folder and File Structure

006 The PubSpec File

007 Running Dart Files

008 Program Design Methodology

009 Class Creation

010 Terminal Design

011 Terminal Implementation

012 Stdout and Stdin

013 Import Statements

014 Stdout Instance

015 More on Import Statements

016 Testing the Import Class

017 Checking Operating System

018 Clearing Windows Terminal

019 Clearing Other Terminals

020 Testing ClearScreen

021 Collecting Input Over Stdin

022 Option Class FIelds

023 Adding Dynamic Fields

024 Printing Individual Options

025 Testing Option Printing

026 List Shortcomings

027 Maps in Dart

028 Refactor to Maps

029 The Prompter Class

030 Testing the Prompter

031 Extracting the Terminal

032 Var vs Final for Variables

033 Finals Affect on Values

034 Consts Dual Nature

035 Consts Behavior by Type

036 Marking Terminal as Const

037 Private Variables

038 Finishing Prompter

039 Error Handling

040 Asking Binary Questions

041 Testing Binary Inputs

042 Code Similarities

043 Refactor for Code Reuse

044 More on Private

045 Central Lib File

046 A Single Export Point

047 A Relevant Example File

048 Outstanding Project Config

049 Uploading the Prompter Lib

25 - Appendix Two Building a Dart CLI

001 App Overview

002 Project Setup

003 Importing Library Code

004 Forcibly Exiting a Program

005 Prompting for File Type

006 Implementation Flow

007 Working with the Current Directory

008 Filtering Non-Files

009 Filtering Non-Images

010 Building Options from Images

011 Testing Image Selection

012 Converting Images

013 The ConvertImage Function

014 Reading File Contents

015 Encoding to JPG or PNG

016 Writing Files to the Hard Drive

017 Returning the Image Name

018 Testing Image Conversion

019 Opening the Image

26 - Extras

001 Bonus!.html

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