Ultimate Flutter for Cross-Platform App Development : Build Seamless Cross-Platform Flutter UIs with Dart, Dynamic Widgets, Unified Codebases, and Expert Testing Techniques (English Edition) / Temidayo Adefioye.

Format:

Book

Author/Creator:

Adefioye, Temidayo, author.

Language:

English

Subjects (All):

Dart (Computer program language).

Mobile apps.

Physical Description:

1 online resource (470 pages)

Edition:

First edition.

Place of Publication:

Delhi : Orange Education Pvt Ltd, [2024]

Summary:

Unlock the full potential of Flutter with this practical and indispensable resource, catering to both beginners and seasoned developers seeking to enhance their skills. This book will provide you foundational insights into Flutter and Dart programming to master the dynamic widget system and empower you to create visually stunning and responsive UI designs. The book begins with exploring Dart language and then moves on to Flutter's dynamic widgets and UI elements, the art of styling, theming, and creating interactive designs. Next, from handling images, media, and effects to delving into advanced techniques like typography and slivers, this book equips you to build adaptive UIs for diverse platforms. You will navigate seamlessly through topics such as navigation, device feature utilization, and API integration. Learn effective unit testing strategies for robust UI components. The book culminates with a focus on unit testing UI components, ensuring a robust and error-free development process. By the end, you'll be adept at leveraging Flutter's capabilities, poised to craft captivating and responsive designs that elevate the user experience.

Contents:

Intro

Cover Page

Title Page

Copyright Page

Dedication Page

About the Author

About the Technical Reviewer

Acknowledgements

Preface

Errata

Table of Contents

SECTION 1 Getting Started with Flutter

1. Introduction to Flutter and its Environment

Structure

Overview of Flutter and its advantages

Flutter Under the Hood

Architectural Layers

Reactive User Interfaces

Introducing Widgets

The Rendering Process

The Platform Embedders

Flutter and Third-Party Code

Flutter for the Web

Reasons to Choose Flutter

Fast Development and Time-to-Market

Single Codebase, Multiple Platforms

Beautiful and Customizable UI

High Performance

Strong Community and Ecosystem

Setting up the Development Environment

Systems Requirements

Operating System

Hardware Specifications

Installing Flutter SDK

Configuring Visual Studio Code

Installing Flutter Dependencies

Troubleshooting

Flutter SDK Installation Error

Flutter Command Not Found

Android Emulator Issues

iOS Simulator Issues (macOS)

Dependency Management Errors

Connection Errors

Community Resources

Exploring Flutter Project Structure

Directory Structure

Configuration Files

Important Files

main.dart

pubspec.yaml

build.gradle (Android) and Podfile (iOS)

AppDelegate.swift (iOS) and MainActivity.kt (Android)

Conclusion

Points to Remember

Multiple Choice Questions

Answers

Questions

Key Terms

2. Introduction to Dart Programming

Introduction to Dart

The Genesis

Overview of the Dart Language

Dart Under the Hood

Dart Syntax Basics

Dart's Most Commonly Used Keywords

Dart Comments

The Entry Point

DartPad Playground

Understanding Variables and Data Types in Dart

Variables

Data Types

Understanding Dart Operators.

Arithmetic Operators

Assignment Operators

Comparison Operators

Dart Statements

Control Statements

Loop Statements

Functions

Object-Oriented Programming

Exception Handling

Throw

Catch

Finally

Dart Null Safety

Dart Best Practices

Naming Conventions

Code Formatting

Assessment

Key terms

Further Reading

3. Exploring Flutter Widgets and UI Elements

Introducing Flutter Widgets

Exploring the Widget Catalog

Basic Widgets

Scaffold

AppBar

Container

Column

Row

Image

Text

ElevatedButton

SizedBox

Input Widgets

Autocomplete Widget

Form

Accessibility Widgets

Semantics

ExcludeSemantics

MergeSemantics

Reconciliation and Hot Reload

Working with Containers: Building Your Layouts

Working with Row Widgets

Scenario: Creating a Row of Colored Boxes

Explanation

Working with Column Widget

Understanding the `Column` Widget

Scenario: Using `Column` with `Container`

Experiment and Customize

Creating a Stunning UI with Text and Image Widgets

Building the UI

Customization and Beyond

Exploring TextField and Button Widgets

Scenario: Creating a Login Screen

Stateless and Stateful Widgets

Understanding the `StatelessWidget`

Format of a `StatelessWidget`

When to Use `StatelessWidget`

Understanding the `StatefulWidget`

The `setState` Function in a `StatefulWidget`

Using `const` for Improved Performance

Defining Immutable Classes

The Power of 'const'

Performance Boost

Flutter Recommendation

Solution

SECTION 2 Building Modern UI Designs

4. Styling, Theming, and Interactive UI Designs in Flutter

Colors and Themes: Adding Life to your App

The Color class.

Color representation

Using predefined colors

Creating custom colors

Using colors in widgets

Creating a gradient

Color opacity (Alpha)

Themes: A unified color scheme

Creating a consistent app theme with ThemeData

Defining an app-wide theme

Custom themes for specific parts

Applying a theme

A simple login screen

Flutter Theme best practices

Create a Theme Class for consistency

Utilize `ThemeData` for global styling

Embrace material design widgets

Leverage InheritedWidget for theme access

Modularize Theme elements

Define default values for consistency

Group-related elements

Limit the number of colors

Avoid hardcoded values

Test across devices

Customizing widget appearance

Project requirements

Full source code

theme.dart

Using widgets for user interaction

GestureDetector

InkWell

Animations and motion widgets

AnimatedContainer

AnimatedCrossFade

AnimatedOpacity

Flare: Adding stunning 2D animations to flutter

AnimatedPositioned

5. Working with Images, Media, and Effects in Flutter

Loading and Displaying Images

Introducing the `http` Package

Adding the `http` Package to Your Project

Making HTTP Requests

Security Considerations

Understanding `ListView.builder` and `FutureBuilder` Widget

Defining `FutureBuilder`

Example Usage

Using FutureBuilder in the Challenge

Challenge: Creating a News List Page

OpenSource NewsApi Data

Step-by-Step Instructions

Working with Icons and Fonts

Icons for Visual Communication

Custom Fonts for Unique Typography

Customizing the News App

Incorporating Media Elements

Audio Player

Video Player

Applying Visual Effects to UI Elements.

Implementing the BackdropFilter Effect

Implementing the Opacity Effect in Flutter

Implementing the RotatedBox Widget in Flutter

Implementing Custom Painting and Shaders

6. Typography, Slivers, and Advanced UI Techniques in Flutter

Introduction

Exploring advanced typography and text styling options

Mastering the Art of Typography

Choosing the Right Typeface

The Hierarchy of Text

Spacing and Line Height

Spacing between Letters (Letter Spacing)

Line Height (Leading)

Whitespace and Padding

Text Shadows and Effects

Custom Fonts

Font Integration

Applying Custom Fonts

Font Packages

Custom Font Best Practices

Creating scrollable and responsive UIs with slivers

Understanding CustomScrollView

Working of CustomScrollView

Slivers

AppBar and SliverAppBar

Creating Dynamic App Bars with AppBar and SliverAppBar

SliverList and SliverGrid

SliverPadding and SliverToBoxAdapter

Custom Slivers

Challenge: Create a Clothing E-commerce UI using Slivers

Implementing complex UI layouts

Stack and Positioned Widgets

Understanding Advanced UI Techniques: Hero Animations and ClipRRect

Hero Animations: Elevating Transitions

ClipRRect: Crafting Rounded Corners and Clipping

Optimizing Performance in UI Design

SECTION 3 Creating Cross-Platform UIs

7. Building Adaptive UIs for Different Platforms

Understanding the Importance of Adaptive UI Design

Reach Across Devices

Changing Screen Orientations

Future-Proofing

Competitive Advantage

Building UI Layouts for Various Screen Sizes

Adaptive versus Responsive App

Responsive App

Adaptive App

Adapting UI Elements for Different Platforms.

LayoutBuilder Approach

The Builder Function

Using Constraints

Dynamic Adaptation

Automatic Rebuilding

Building a Responsive AppBar

Project: Flutter Music App

MediaQuery Approach

The MediaQuery Class

AspectRatio

OrientationBuilder

Using ScreenUtil Package for Responsive UI

Installation and Setup of ScreenUtil Package

Flutter ScreenUtil Package Usage

Building a Responsive Music Playlist Screen

8. Handling Navigation and Routing

Implementing Navigation between Screens in Flutter

Types of Navigation

Understanding Stack Navigation in Flutter

Music Player Project

Understanding Tab navigation in Flutter

Music Playlist Project with Tab Navigation

Understanding Drawer Navigation in Flutter

Building a Gmail-like app

Understanding Named Routes and Route Arguments

Dynamic Routes in Flutter

Flutter Route Arguments

Handling the Unknown

Guiding Users Through Authentication Flows

Handling Navigation Stack and Back Button Behavior

Deep linking and handling external app links

Handle Incoming Deep Links in Dart Code

Navigation Patterns and Best Practices

9. Utilizing Device Features and APIs

Utilizing Device Permissions and User Authentication

Permissions for Photo Upload

Secure User Authentication Using Fingerprint or Face

Exploring Phone Contacts

Accessing Device Hardware and Sensors

Using the Image Picker Plugin in Flutter

Step-by-Step Guide to Using sensor_plus in a Flutter App

Working with Platform-Specific Plugins

SECTION 4 Testing and Debugging Flutter UIs.

10. Widget Testing UI Components.

Notes:

Description based on publisher supplied metadata and other sources.

Description based on print version record.

Includes index.

Other Format:

Print version: Adefioye, Temidayo Ultimate Flutter for Cross-Platform App Development

ISBN:

9788196994709

8196994702

OCLC:

1422232986