Introduction to the

Dart lang

Jana Moudrá | @Janamou | +JanaMoudrá

Open-sourceFor better performance

Easy to learnObject oriented

Modular

Use the Dart language, libraries, and tools to write

anything from simple scripts to full-featured apps.

Source: www.dartlang.org

How?

How?Download Dart

Dart Editor DartiumDart SDK

Dart SDKDart VMLibraries

Command Line Tools

How?Learn the language

How?Learn the language

It is easy!

var x = 10;

var y = 20;

or

num x = 10;

num y = 20;

Optional Types

void main() {

print("Hello world Dart!");

}

main() function

void main() {

querySelector("#my-button")

..text = "Open Window"

..onClick.listen(openWindow);

}

Cascade operator

class Person {

String firstName;

String lastName;

int age;

Person(this.firstName, this.lastName);

}

void main() {

Person person = new Person("Jana", "Moudrá");

}

Syntactic sugar

class Person {

String firstName;

String lastName;

int age;

Person(this.firstName, this.lastName);

Person.withAge(this.lastName, this.age);

}

void main() {

Person person = new Person.withAge("Moudrá", 25);

}

Named constructors

class Person {

String _firstName;

String _lastName;

int _age;

Person(this._firstName, this._lastName);

Person.withAge(this._lastName, this._age);

int get age => _age;

set age(int age) => _age = age;

}

Getter and Setter

How?Develop awesome apps!

Code LabPart...

github.com/Janamou/dart-codelab