Ios cllocationmanager startupdatinglocation
The API is extremely simple for both one-time location requests and recurring subscriptions to location updates.We’re working on a location product right now and one of the little challenges along the way has been how to report background location updates back to our servers. We’re going to be using the Significant Location Changes feature introduced with i OS 4 as this is the recommended way of tracking the approximate device location in a low power way.CLLocation Manager requires you to manually detect and handle things like permissions, stale/inaccurate locations, errors, and more.CLLocation Manager uses a more traditional delegate pattern instead of the modern block-based callback pattern.
Many mobile apps can greatly improve their users’ experience by making use of information on users’ whereabouts.
As always, the Apple documentation is excellent and is worth reading so you are aware of the detail.
Note the really key features here; a) If the application is suspended when an update occurs, the system wakes it up in the background to handle the update.
Think of how handy a turn-by-turn navigation system is, and you get a sense of the value of accessing a user’s location.
Knowing a user’s location also can raise privacy concerns, a discussion that is largely beyond the scope of this article.
The standard This parameter is set to filter out location updates older than the specified value in seconds.