Obtaining User Location
To use Core Location to obtain the current location, several steps need to take place. The app must obtain permission from the user to access the current location. In addition, the app needs to ensure that location services are enabled for the device before attempting to acquire a location. Once those requirements have been met, the app can start a location request and parse the result for usage once it is provided by Core Location. This section will describe all these steps in detail.
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