Join Justin Schwartzenberger for an in-depth discussion in this video Services in Angular, part of Angular 2 Essential Training.
- [Instructor] Services are not an Angular construct,…but rather, a pattern.…They are nothing more than a class…to encapsulate some logic that you want to share…across places in your application.…With Angular's Dependency Injection,…you can inject services around your application.…To create a service class,…you do not need to do anything Angular specific.…There is no metadata needed.…There's not some naming convention requirement,…or some functional interface that needs to be implemented.…They are just plain old classes that you create…to modularize reusable code.…
There are several reasons why you would want…to create and use services in your Angular applications.…One of the most common is a data service.…A class that will handle getting and setting data…from your data store.…In the case of the Media Watch List application,…it displays a list of media items,…and allows the user to delete and add items,…all done from different components.…A data service that gets injected…into each of those components…allows you to not have to…
Justin Schwartzenberger steps through the framework one feature at a time, focusing on the component-based architecture of Angular. Learn what Angular is and what it can do, as Justin builds a full-featured web app from start to finish. After mastering the essentials, you can tackle the other project-based courses in our library and create your own Angular app.
- What is Angular?
- Setting up an Angular template
- Creating a component
- Binding events and properties
- Getting data to components
- Using directives and pipes
- Creating Angular forms
- Validating form data
- Understanding dependency injection
- Providing services
- Making HTTP calls
Skill Level Intermediate
Q: This course was updated on 03/01/2018. What changed?
A: The following topics were updated: directives and pipes, forms, dependency injection and services, HTTP, and routing.
1. Architecture Overview
3. Directives and Pipes
5. Dependency Injection and Services
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