The document discusses key concepts for developing with Angular 2 including modules, components, templates, data binding, directives, services, routing and dependency injection. It provides examples of setting up an Angular 2 application module, defining a main component with templates, creating a movie service for dependency injection, and building a movies component that retrieves data from the movie service. The document is intended as a guide for productive Angular 2 development.

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The productive
developer guide to
Angular 2

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Who am I?
Maurice de Beijer
The Problem Solver
Microsoft Azure MVP
Freelance developer/instructor
Twitter: @mauricedb
Web: http://www.TheProblemSolver.nl
E-mail: maurice.de.beijer@gmail.com

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Looking back

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Angular 2 !== Angular 1

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Angular is opinionated

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Building blocks
Modules
Components
Templates
Data binding
Directives
Services
Routing
Dependency injection

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Modules

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Angular 2 main module
NgModule from
BrowserModule from
FormsModule from
HttpModule from
AppComponent from
MoviesComponent from
1. import { } '@angular/core';
2. import { } '@angular/platform‐
browser';
3. import { } '@angular/forms';
4. import { } '@angular/http';
5.
6. import { } './app.component';
7. import { }
'./movies/movies.component';

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Components

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The main component
Component from
@
moduleId id
selector
templateUrl
styleUrls
1. import { } '@angular/core';
2.
3. Component({
4. : module. ,
5. : 'app‐root',
6. : 'app.component.html',
7. : ['app.component.css'],
8. })
9. export class AppComponent {

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Templates

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Templates
{{title}}
1. h1< >
2.
3. h1</ >
4.
5. app‐movies< > app‐movies</ >
6.
7.
8.
9.

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10. ul

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Dependency injection

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Movie service
Injectable from
@
1. import { } '@angular/core';
2.
3. Injectable()
4. export class MovieService {
5.
6. constructor() {
7. }
8.
9. getMovies() {

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10. return

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HTTP Requests
Injectable from
Http from
@
http Http
1. import { } '@angular/core';
2. import { } '@angular/http';
3.
4. import 'rxjs/add/operator/map';
5.
6. Injectable()
7. export class MovieService {
8.
9. constructor(private : ) {

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10.
Movies component
Component OnInit from
MovieService from
@
moduleId id
selector
templateUrl
styleUrls
providers MovieService
1. import { , } '@angular/core';
2. import { } '../movie.service';
3.
4. Component({
5. : module. ,
6. : 'app‐movies',
7. : 'movies.component.html',
8. : ['movies.component.css'],
9. : [ ]

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10. })
Maurice de Beijer - @mauricedb

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