zoint

 public void StartTracking()
  {
      _geolocator.ReportInterval = (uint)TimeSpan.FromSeconds(30).TotalMilliseconds;
      _geolocator.MovementThreshold = 100;

      // this implicitly starts the tracking operation
      _geolocator.PositionChanged += PositionChangedHandler;
  }

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private async void PositionChangedHandler(Geolocator sender, PositionChangedEventArgs args)
{
    if (args.Position == null || args.Position.Coordinate == null) return;

    //save updated coordinates to a property on the class
    //can do whatever we want with position, all I need are the coordinates
    Position = args.Position.Coordinate;

    //stop the tracking once we have our desired accuracy in meters
    if (args.Position.Coordinate.Accuracy < 500)

zoint

using System;
using System.Globalization;
using MadWorldApps.Phone.Helpers.Interfaces;

namespace Places.BLL.Services
{

  public enum DistanceType { Miles, Kilometers };
 
  public class SettingsService : ISettingsService

zoint

 public static class EnumExtensions
 {
        /// <summary>
        /// Converts the enum member names into an enumberable of strings.
        /// </summary>
        /// <typeparam name="TEnum">A valid enum type.</typeparam>
        /// <returns>An enumerable of strings based on the enum members.</returns>
        public static IEnumerable<string> GetNames<TEnum>() where TEnum : struct
        {
            var typeInfo = ValidateEnum<TEnum>();

zoint

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;

namespace MadWorldApps.PCL.Helpers.Extensions
{
    public static class EnumExtensions
    {
        /// <summary>

zoint

using System;

namespace MadWorldApps.PCL.Helpers.Extensions
{
    public static class StringExtensions
    {
        /// <summary>
        /// Adds spaces to words based on capital characters.
        /// </summary>
        /// <param name="s">The CamelCase string you want spaces added to.</param>

zoint

public async Task<IEnumerable<StorageFile>> GetFilesInCameraRoll()
{
    var cameraRoll = await KnownFolders.PicturesLibrary.GetFolderAsync("Camera Roll");
    
    return await cameraRoll.GetFilesAsync();
}

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public async Task<bool> LoginAsync()
{
    	var authenticator = new Windows.Security.Authentication.OnlineId.OnlineIdAuthenticator();
	var mobileServicesTicket = new Windows.Security.Authentication.OnlineId.OnlineIdServiceTicketRequest("https://yourendpoint.azure-mobile.net/", "JWT");

	var ticketRequests = new List<OnlineIdServiceTicketRequest>() { mobileServicesTicket };

	var authResult = await authenticator.AuthenticateUserAsync(ticketRequests, CredentialPromptType.PromptIfNeeded);

	if ((authResult.Tickets.Count == 1) && (authResult.Tickets[0].ErrorCode == 0))

zoint

private async Task SaveChangesAsync()
{
    try
    {
        await _dbContext.SaveChangesAsync();
    }
    catch (DbUpdateConcurrencyException ex)
    {
        //adapted from: https://docs.microsoft.com/en-us/ef/core/saving/concurrency
        foreach (var entry in ex.Entries)