Dart Essentials by Martin Sikora

By Martin Sikora

Design and construct full-featured internet and CLI apps utilizing the robust Dart language and its libraries and tools

About This Book

  • Build refined, strong apps utilizing Dart 1.9; find out about the most recent libraries and asynchronous APIs
  • Write encapsulated parts and apps with internet elements, polymer.dart, and AngularDart
  • Explore Standalone Dart VM with CLI apps, unit trying out, and server-side scripting and detect Dart's complete strength with C/C++ local extensions
  • Practical, tutorial-based consultant with examples within the context of contemporary internet improvement for cellular and computing device with HTML5 features

Who This e-book Is For

This e-book is focused at specialist programmers in JavaScript who are looking to examine Dart quick. a few past adventure with OOP programming in different languages and an exceptional wisdom of JavaScript are assumed.

What you are going to Learn

  • Learn in regards to the Dart language syntax, libraries, and package deal manager
  • Use present JavaScript libraries in Dart and phone Dart code from JavaScript
  • Handle asynchronous calls with Future-Based API and use HTML5 gains in Dart
  • Write instance apps with net parts and polymer.dart
  • Develop internet apps utilizing AngularDart
  • Test apps with unit assessments and examine them with Observatory
  • Explore CLI apps, WebSocket servers, and server-side scripting in Dart
  • Extend the Standalone Dart VM with C/C++ local extensions

In Detail

The Dart programming language can be utilized for either customer- and server-side improvement. It combines the simplest from lots of cutting-edge languages. Dart's cohesive, scalable, and strong net programming beneficial properties may help contributors and businesses remedy demanding situations in a complete new way.

You'll commence with an interactive journey of Dart and detect its strength. you are going to step as much as know about the DOM tree and its implementation, whereas growing internet apps. you'll the best way to use a variety of APIs for asynchronous calls, GeoLocation, Audio, dossier Drag and Drop, contact occasions, and extra. afterward, you'll construct customized parts with internet elements and construct on best of the former components with polymer.dart. additionally, you will find out about information bindings and the way to take advantage of AngularDart. you will get to grips with writing CLI scripts, MySQL queries, Apache and nginx configuration, WebSockets, and a lot more. ultimately, you are going to research the unit checking out and profiling, and writing local extensions in C/C++.

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Extra info for Dart Essentials

Sample text

Null means zero or an undefined pointer, which is a valid value, while void means nothing in this context. Collections such as lists are defined in Dart's API as List. This means that the List class is generic and you can tell it what type of objects it may contain. In our example, we defined List, which tells the type checker that all items in this collection will be instances of String. This notation of generics is very common in Java and C++, but as Dart types are optional, it actually doesn't restrict you from adding instances of other classes to the list, as you might expect.

We're going to use async and await a lot here, but it's good to know how to use the "original" Future-Based API with the Future and Complete classes, because it will take some time for developers of third-party libraries to update their code with async and await. 9 actually introduced even more keywords such as await-for, yield, async*, and a few more (also called generators), but these aren't very common and we're not going to discuss them here. org/articles/beyond-async/. Creating Ajax requests in Dart Nearly every app these days uses Ajax.

0, and is still in active development. 0. At the end of April 2015, Google held the first Dart Summit revealing plans to use Dart as a language for cross-platform mobile development with their new runtime called Fletch. Why choose Dart? There are five main environments where you can run Dart: Dart compiled to JavaScript in practically any modern browser. The Dart SDK is shipped with Dart to a JavaScript compiler called dart2js, which takes your Dart code and compiles it into vanilla JavaScript.

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