Introducing Ionic 2 (Video 11)

This video tutorial covers making API calls in Angular using the built-in HTTP service. It introduces dependency injection, setting up HTTP providers, and making GET requests. The tutorial also explains handling responses with observables, highlighting the differences from Angular 1. The video demonstrates how to inject services and make API calls, providing a proxy for iTunes API to bypass cross-origin restrictions.

Explain how dependency injection has changed in Angular 2 compared to Angular 1.

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What is the purpose of using the HTTP service in Angular 2?

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Describe the process of making an API call in Angular 2.

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What are observables and how do they differ from promises in Angular 2?

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How does the application handle cross-origin issues when making API calls?

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