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qianyb
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Dec 22, 2018
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67 changes: 67 additions & 0 deletions
67
Project 06 - FindMyLocation/Where/CLLocationDelegate.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| // | ||
| // CLLocationDelegate.swift | ||
| // Where | ||
| // | ||
| // Created by qianyb on 2018/12/22. | ||
| // Copyright © 2018 Allen. All rights reserved. | ||
| // | ||
|
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| import Foundation | ||
| import CoreLocation | ||
|
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| extension ViewController : CLLocationManagerDelegate { | ||
| func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) { | ||
|
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| self.locationLabel.text = "Error while updating location " + error.localizedDescription | ||
|
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| } | ||
|
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| func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) { | ||
| CLGeocoder().reverseGeocodeLocation(locations.first!) { (placemarks, error) in | ||
| guard error == nil else { | ||
| self.locationLabel.text = "Reverse geocoder failed with error" + error!.localizedDescription | ||
| return | ||
| } | ||
| if placemarks!.count > 0 { | ||
| let pm = placemarks!.first | ||
| self.displayLocationInfo(pm) | ||
| } else { | ||
| self.locationLabel.text = "Problem with the data received from geocoder" | ||
| } | ||
| } | ||
| } | ||
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| // func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) { | ||
| // CLGeocoder().reverseGeocodeLocation(manager.location!, completionHandler: {(placemarks, error)->Void in | ||
| // | ||
| // if (error != nil) { | ||
| // self.locationLabel.text = "Reverse geocoder failed with error" + error!.localizedDescription | ||
| // return | ||
| // } | ||
| // | ||
| // if placemarks!.count > 0 { | ||
| // let pm = placemarks![0] | ||
| // self.displayLocationInfo(pm) | ||
| // } else { | ||
| // self.locationLabel.text = "Problem with the data received from geocoder" | ||
| // } | ||
| // }) | ||
| // } | ||
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| func displayLocationInfo(_ placemark: CLPlacemark?) { | ||
| if let containsPlacemark = placemark { | ||
| //stop updating location to save battery life | ||
| locationManager.stopUpdatingLocation() | ||
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| let locality = (containsPlacemark.locality != nil) ? containsPlacemark.locality : "" | ||
| let postalCode = (containsPlacemark.postalCode != nil) ? containsPlacemark.postalCode : "" | ||
| let administrativeArea = (containsPlacemark.administrativeArea != nil) ? containsPlacemark.administrativeArea : "" | ||
| let country = (containsPlacemark.country != nil) ? containsPlacemark.country : "" | ||
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| self.locationLabel.text = postalCode! + " " + locality! | ||
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| self.locationLabel.text?.append("\n" + administrativeArea! + ", " + country!) | ||
| } | ||
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| } | ||
| } |
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