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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
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Index
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Index

Extracting messages

Now, we have all the messages separated from the UI and we are ready for translation. We need to extract them from the source code into the external file with a special program called extract_to_arb.dart from the intl package, as shown in the following code:

pub run intl:extract_to_arb --output-dir=web web/registration_form.dart

The preceding program generates the intl_messages.arb file inside the specified web directory. This file contains all the messages in the ARB format. ARB is a localization resource format based on JSON. This format provides the following benefits:

  • Simplicity: This format is simple and human-readable because it is based on JSON

  • Extensibility: In this format, vocabulary can be added without affecting the existing tools and usage

  • Direct usability: Applications can access the resource directly from this format without converting them to another form

You can find more about the ARB format in the specification available at https://code.google.com/p/arb...

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Programming languages
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Mastering DART
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