This tutorial will teach you how to use Background Fetch, a multitasking API provided with the iOS 7 SDK. To do so, we'll create a simple list of delicious dishes that are automatically fetched in the background. Read on!
Background Fetch is an awesome feature released with iOS 7. Today, we live in a social world, and most of our users have several social network apps on their mobile devices. However, every time the user opens each app, they typically must wait until the app updates to view more recent content. This can be painful if several apps and profiles are used. Now, with background fetch, all content can be automatically fetched and updated before the user loads the app.
The default Traffic application is a simple example of how Background Fetch works in action. If you check it every morning, let’s say at 8:20 AM, your iOS app must get that information at that time. Now, if the operating system knows you will access the app around 8:20 AM, it can fetch the data beforehand and have it ready when desired.
For a more comprehensive overview of the new multitasking features, be sure to read our introduction to this topic. The rest of this tutorial will be dedicated to a practical project that demonstrates how to implement Background Fetch.
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