tutorials/ios-swift-core-location.html at master · TopDownU/tutorials · GitHub

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<!DOCTYPE html>
<html lang="en">

  <head>

    <meta charset="utf-8">
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    <title>TopDownU Tutorials</title>

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  </head>

  <body>
      <div class="header">
          <h2 class="tutorialTitle">Getting User's Location</h2>
          <p class="tutorialDescription">in 5 simple steps</p>
          <p class="moreTutorials"><a class="moreTutorialsLink" href="http://topdownu.com/tutorials">MORE TUTORIALS</a></p>
      </div>

      <div class="row">
        <div class="row-white">
            <div class="padding-box">
              <h2 class="stepTitle">Pre-Requisites</h2>
              <p class="stepParagraph"></p>
            </div>
        </div>
      </div>

      <div class="row">
        <div class="row-gray">
            <div class="padding-box">
              <h2 class="stepTitle">Import CoreLocation framework</h2>
              <p class="stepParagraph"></p>
            </div>
            <div class="codeSnippet">
              <p class="code">
                  import CoreLocation
              </p>
            </div>
            <div class="padding-box">
              <h6 class="stepNumber">Step 1 of 5</h6>
            </div>
        </div>
      </div>

      <div class="row">
        <div class="row-white">
            <div class="padding-box">
              <h2 class="stepTitle">Inherit delegate class</h2>
              <p class="stepParagraph"></p>
            </div>
            <div class="codeSnippet">
              <p class="code">
                class ViewController: UIViewController, CLLocationManagerDelegate {
              </p>
            </div>
            <div class="padding-box">
              <h6 class="stepNumber">Step 2 of 5</h6>
            </div>
        </div>
      </div>

      <div class="row">
        <div class="row-gray">
            <div class="padding-box">
              <h2 class="stepTitle">Initialize location manager</h2>
              <p class="stepParagraph"></p>
            </div>
            <div class="codeSnippet">
              <p class="code">
                var locationManager : CLLocationManager!<br/><br/>

                override func viewDidLoad() {<br/>
                 &nbsp;&nbsp; super.viewDidLoad()<br/>
                 &nbsp;&nbsp; // Do any additional setup after loading the view, typically from a nib.<br/><br/>
                 &nbsp;&nbsp; locationManager = CLLocationManager()<br/>
                 &nbsp;&nbsp; locationManager.delegate = self<br/>
                 &nbsp;&nbsp; locationManager.desiredAccuracy = kCLLocationAccuracyBest<br/>
                 &nbsp;&nbsp; locationManager.requestAlwaysAuthorization()<br/><br/>
                 &nbsp;&nbsp; if(CLLocationManager.locationServicesEnabled()){<br/>
                 &nbsp;&nbsp;&nbsp;&nbsp;   locationManager.startUpdatingLocation()<br/>
                 &nbsp;&nbsp; }<br/>
                }<br/>
              </p>
            </div>
            <div class="padding-box">
              <h6 class="stepNumber">Step 3 of 5</h6>
            </div>
        </div>
      </div>

      <div class="row">
        <div class="row-white">
            <div class="padding-box">
              <h2 class="stepTitle">Implement delegate methods</h2>
              <p class="stepParagraph"></p>
            </div>
            <div class="codeSnippet">
              <p class="code">
              func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]){<br/>
              &nbsp;&nbsp;  let userLocation:CLLocation = locations[0] as CLLocation<br/>
              &nbsp;&nbsp;  manager.stopUpdatingLocation()<br/>
              &nbsp;&nbsp;  print("Latitude: \(userLocation.coordinate.latitude)")<br/>
              &nbsp;&nbsp;  print("Longtitude: \(userLocation.coordinate.longitude)")<br/>
              }<br/><br/>

              func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {<br/>
              &nbsp;&nbsp;print(error)<br/>
              }
              </p>
            </div>
            <div class="padding-box">
              <h6 class="stepNumber">Step 4 of 5</h6>
            </div>
        </div>
      </div>

      <div class="row">
        <div class="row-gray">
            <div class="padding-box">
              <h2 class="stepTitle">Run and test</h2>
              <p class="stepParagraph"></p>
            </div>
            <div class="padding-box">
              <h6 class="stepNumber">Step 5 of 5</h6>
            </div>
        </div>
      </div>

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