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  • Book Overview & Buying Mastering DART
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Mastering DART

Mastering DART

By : Sergey Akopkokhyants
4.6 (5)
Buy this Book
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Mastering DART

Mastering DART

4.6 (5)
By: Sergey Akopkokhyants
Buy this Book

Overview of this book

If you are an application developer who has experience with Dart and want to develop reusable and robust code in Dart, then this book is for you. You are expected to have a basic knowledge of core elements and applications.
Table of Contents (14 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Beyond Dart's Basics
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1. Beyond Dart's Basics
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Modularity and a namespace
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Functions and closures in different scopes
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Classes and mixins
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Methods and operators
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Summary
2
2. Advanced Techniques and Reflection
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2. Advanced Techniques and Reflection
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Generics
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Errors versus exceptions
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Annotations
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Reflection
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Summary
3
3. Object Creation
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3. Object Creation
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Creating an object
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Summary
4
4. Asynchronous Programming
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4. Asynchronous Programming
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Call-stack architectures versus event-driven architectures
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Future
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Zones
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Isolates
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Summary
5
5. The Stream Framework
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5. The Stream Framework
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Why you should use streams
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Single-subscription streams versus broadcast streams
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An overview of the stream framework API
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Summary
6
6. The Collection Framework
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6. The Collection Framework
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A Dart collection framework
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Ordering of elements
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Collections and generics
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The collection class hierarchy
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The Iterable interface
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The Iterable interface
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BidirectionalIterator
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The collection classes
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Unmodifiable collections
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Choosing the right collection
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Summary
7
7. Dart and JavaScript Interoperation
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7. Dart and JavaScript Interoperation
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Interoperation at a glance
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The dart:js library
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Type conversion
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JsObject and instantiation
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JsFunction and the this keyword
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Dart with jQuery
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Summary
8
8. Internalization and Localization
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8. Internalization and Localization
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The key principles
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The Intl library
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Internationalizing your web application
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Extracting messages
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Using Google Translator Toolkit
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Using translated messages
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Summary
9
9. Client-to-server Communication
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9. Client-to-server Communication
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Communication at a glance
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Hypertext Transfer Protocol
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AJAX polling request
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AJAX long polling request
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WebSocket
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Summary
10
10. Advanced Storage
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10. Advanced Storage
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Cookies
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Web Storage
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Web SQL
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IndexedDB
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Summary
11
11. Supporting Other HTML5 Features
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11. Supporting Other HTML5 Features
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The notification APIs
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The native drag-and-drop APIs
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The geolocation APIs
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Canvas
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Summary
12
12. Security Aspects
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12. Security Aspects
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Web security
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Securing a server
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Securing a client
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Security best practices
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Summary
13
Index
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Index

Using translated messages

Now, it's time to generate a set of Dart libraries that contain translated versions of our messages—one per locale from the ARB files prepared before. We use the generate_from_arb program from the intl package:

pub run intl:generate_from_arb --output-dir=web web/registration_form.dart web/translate_en.arb web/translate_de.arb

The program generates the message_de.dart, message_en.dart, and messages_all.dart files in the specified web directory. Each message_<locale_tag>.dart file contains the MessageLookup class that implements MessageLookupByLibrary. The MessageLookup class has a getter method localeName, a set of static functions that are returned translated on the specific locale text messages, and final constant messages that contain the name of all the static methods. The messages_all.dart file combines all the lookups in one place to make them available for the localization code from the Intl library. The single available public method of the message_all...

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Tech Concepts
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Programming languages
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Mastering DART
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