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Xamarin.iOS Online Programming Skills Test

Topics Covered

  • Custom Controls
  • Push notifications
  • Custom Fonts
  • SQLite Storage
  • Working with Images
  • Files
  • video
  • SMS
  • Webview
  • Map
  • Phone call

Useful for hiring

  • Xamarin Developer
  • Xamarin iOS Developer
  • Xamarin Consultant

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Vipin Sharma, Mobile Programming,
General Manager HR & Recruitement
Question

How will you do a phone call from your Xamarin.ios Application?

Answer
    • var url = new NSUrl ("Call:" + PhoneTextField.Text);
      UIApplication.OpenUrl (url);
      if (!UIApplication.SharedApplication.OpenUrl (url)) {
      var av = new UIAlertView ("Not supported",
      null, "OK", null);
      av.Show (); };

    • Telephone service can not implemented from application.

    • var url = new NSUrl ("tel:" + PhoneTextField.Text);
      UIApplication.SharedApplication.OpenUrl (url);
      if (!UIApplication.SharedApplication.OpenUrl (url)) {
      var av = new UIAlertView ("Not supported",
      "Scheme 'tel:' is not supported on this device",
      null, "OK", null);
      av.Show (); };

    • var url = new NSUrl ("telphone:" + PhoneTextField.Text);
      UIApplication.SharedApplication.OpenUrl (url);
      if (UIApplication.SharedApplication.OpenUrl (url)) {
      var av = new UIAlertView ("Not supported",
      null, "OK", null);
      av.Show (); };

Question

How will you show annotation map in Xamarin.ios Application?
Where BasicMapAnnotation is a subclass which inherits MKAnnotation.

Answer
    • var annotation = new BasicMapAnnotation (new CLLocationCoordinate2D(48.857,2.351), "Paris", "City of Light");
      mapView.AddAnnotation(annotation);
      var span = new MKCoordinateSpan(MilesToLatitudeDegrees(2), MilesToLongitudeDegress(2, coords.Latitude));
      mapView.Region = new MKCoordinateRegion( span);

    • var annotation = new BasicMapAnnotation (new CLLocationCoordinate2D(48.857,2.351), "Paris", "City of Light");
      var span = new MKCoordinateSpan(MilesToLatitudeDegrees(2), MilesToLongitudeDegress(2, coords.Latitude));
      mapView = new MKCoordinateRegion( span);

    • var annotation = new BasicMapAnnotation (new CLLocationCoordinate2D(48.857,2.351), "Paris", "City of Light");
      mapView.AddAnnotation(annotation);
      var coords = new CLLocationCoordinate2D(48.857,2.351);
      var span = new MKCoordinateSpan(MilesToLatitudeDegrees(2), MilesToLongitudeDegress(2, coords.Latitude));
      mapView.Region = new MKCoordinateRegion(coords, span);

    • var annotation = new BasicMapAnnotation (new CLLocationCoordinate2D(48.857,2.351), "Paris", "City of Light");
      var coords = new CLLocationCoordinate2D(48.857,2.351);
      var span = new MKCoordinateSpan(MilesToLatitudeDegrees(2), MilesToLongitudeDegress(2, coords.Latitude));
      mapView.Region = new MKCoordinateRegion(coords, span);

Question

How will you check if the internet is connected to Xamarin.ios Application or not?

Answer
    • if(!Reachability.IsHostReachable("http://google.com"))
      {
      // Put alternative content/message here
      }
      else
      {
      // Put Internet Required Code here
      }

    • NetworkStatus internetStatus = Reachability.InternetConnectionStatus();

    • HttpWebRequest iNetRequest = Create (CheckUrl);
      iNetRequest = 5000;
      WebResponse iNetResponse = iNetRequest.GetResponse ();
      // Console.WriteLine ("...connection established..." + iNetRequest.ToString ());
      iNetResponse.Close ();

    • HttpWebRequest iNetRequest = (HttpWebRequest)WebRequest (CheckUrl);
      iNetRequest.Timeout = 5000;
      WebResponse iNetResponse = iNetRequest.GetResponse ();
      // Console.WriteLine ("...connection established..." + iNetRequest.ToString ());
      iNetResponse.Close ();

Test details:

Xamarin.iOS coding test enables employers and recruiters to identify & hire Xamarin iOS Developer by evaluating working skills and job readiness. For this reason, the emphasis is laid upon evaluating the knowledge of applied skills gained through real work experience, rather than theoretical knowledge.

Test Details: 30 minutes 

20 Application Questions


The combination of Application and Theory questions helps to evaluate Technical as well as practical Skills of Candidates.

Test description:

Xamarin.iOS Online Test helps Recruiters & Hiring managers to effectively assess the Xamarin iOS development skills of candidates before an interview. Xamarin.iOS allows developers to create native iOS application using applications using the same UI Controls that are available in Objective-C and Xcode. Xamarin iOS development test is designed to check the iOS application development and programming skills of Xamarin iOS developer- as per Industry Standards.

Xamarin.iOS programming test contains questions on following Topics:
 

  • Custom Controls

  • Push notifications

  • Custom Fonts

  • SQLite Storage

  • Working with Images, Files, video, SMS

  • Webview

  • Map

  • Phone call 


Xamarin iOS skill Test is designed by our subject matter experts to evaluate & hire Xamarin iOS developer. Using powerful reporting, you can have a detailed analysis of the test results to help you make a better hiring decision and predict the candidate’s performance.

The test contains MCQ's (Multiple Choice Questions), MAQ's (Multiple Answer Questions), Fill in the Blank, Descriptive, True or False.

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