using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
using System.Threading.Tasks;
using System.IO;
using Sandwich.Services.Parser;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Serialization;
using System.Net.Http;
using Newtonsoft.Json;
using System.Diagnostics;
using Windows.Data.Json;


namespace Sandwich.Services.DataProvider
{
public  class ProvideData
{
    public HttpClient Request { get; set; }

    public ProvideData()
    {
        // TODO: Complete member initialization
        Request = new HttpClient();
    }



    public async Task<IList<Foods>> getlstDrinksAsync()
    {

        // Next set up our request URL, headers Content Type.
       /* Request = System.Net.HttpWebRequest.CreateHttp(new Uri("https://api.parse.com/1/Drinks"));
        Request.Headers["X-Parse-Application-Id"] = "EBJy7sR5IbWEYU3aLndx2ps10LL8ycT4RuGx87XK";
        Request.Headers["X-Parse-Windows-Key"] = "gPe29yqyMN5pFbi5vK2HgGhyRBIA0VbYuI4dShCC";
        Request.Method = "GET";
        Request.ContentType = "application/json";*/



        // Fetch a response from the server. This will give us back error codes or a successful code
        var response = await Request.GetStringAsync(new Uri("https://EBJy7sR5IbWEYU3aLndx2ps10LL8ycT4RuGx87XK:REST-API-key=hQtoDMxepJJmQ12RvQ84e4N2agQNbyPTetyj1afW@api.parse.com/1/classes/Drinks"));
       // string resultJson = string.Empty;

        // Convert Read the Json response in to a string
       /* using (var streamReader = new StreamReader(response.GetResponseStream()))
        {
            resultJson = streamReader.ReadToEnd();
        }*/

        var rawdrink = JObject.Parse(response);

       // get JSON result objects into a list
        IList<JToken> results = (List<JToken>)rawdrink.SelectTokens("results").Children();



        /*    ["results"].Children().ToList();*/

        // serialize JSON results into .NET objects
        IList<Foods> lstDrinks = new List<Foods>();
        foreach (JToken result in results)
        {
            Foods searchResult = JsonConvert.DeserializeObject<Foods>(result.ToString());
            lstDrinks.Add(searchResult);
        }

        Request.Dispose(); //free the ressource

       return lstDrinks;


    }

}

using GalaSoft.MvvmLight;
 using System.Collections.ObjectModel;
  using System.ComponentModel;
 using Sandwich.Services.DataProvider;
 using Sandwich.Services.Parser;
 using Sandwich.ViewModel;
 using System.Threading.Tasks;
 using System;

 namespace Sandwich.ViewModel
{
/// <summary>
/// This class contains properties that the main View can data bind to.
/// <para>
/// Use the <strong>mvvminpc</strong> snippet to add bindable properties to this ViewModel.
/// </para>
/// <para>
/// You can also use Blend to data bind with the tool's support.
/// </para>
/// <para>
/// See http://www.galasoft.ch/mvvm
/// </para>
/// </summary>
public class MainViewModel : ViewModelBase, INotifyPropertyChanged
{
    private ObservableCollection<Foods> _drinks = null;
    public ObservableCollection<Foods> Drinks { get { return _drinks; } set { _drinks = value; RaisePropertyChanged("Drinks"); } }

    /// <summary>
    /// Initializes a new instance of the MainViewModel class.
    /// </summary>
    public MainViewModel()
    {

        if (IsInDesignMode)
            {
        ////    // Code runs in Blend --> create design time data.
            }
        else
        {
        ////    // Code runs "for real"

        InitialiseAsync();

        }
    }

    public async Task InitialiseAsync()
    {
        var service = new ProvideData();
        var lstDrinks = await service.getlstDrinksAsync();

        Drinks = new ObservableCollection<Foods>(lstDrinks);


    }
}

'Sandwich.WindowsPhone.exe' (CoreCLR: DefaultDomain): Loaded 'C:windows
system32mscorlib.ni.dll'. Skipped loading symbols. Module is optimized
and the debugger option 'Just My Code' is enabled.
'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:DataSharedData
PhoneToolsAppxLayouts5534067a-689a-4cf7-
 a832-0f14fb3a6014VS.Debug_AnyCPU.raoulSandwich.WindowsPhone.exe'. Symbols
 loaded.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 SYSTEM.RUNTIME.NI.DLL'. Skipped loading symbols. Module is optimized and
 the debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 WinMetadataWindows.winmd'. Skipped loading symbols. Module is optimized
  and the debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 SYSTEM.RUNTIME.INTEROPSERVICES.WINDOWSRUNTIME.NI.DLL'. Skipped loading
 symbols. Module is optimized and the debugger option 'Just My Code' is
 enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 SYSTEM.COLLECTIONS.NI.DLL'. Skipped loading symbols. Module is optimized
  and the debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:DataSharedData
 PhoneToolsAppxLayouts5534067a-689a-4cf7-
  a832-0f14fb3a6014VS.Debug_AnyCPU.raoulGalaSoft.MvvmLight.DLL'. Cannot
  find or open the PDB file.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
  SYSTEM.OBJECTMODEL.NI.DLL'. Skipped loading symbols. Module is optimized
 and the debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 SYSTEM.NI.DLL'. Skipped loading symbols. Module is optimized and the
 debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:DataSharedData
 PhoneToolsAppxLayouts5534067a-689a-4cf7-
  a832-0f14fb3a6014VS.Debug_AnyCPU.raoul
  Microsoft.Practices.ServiceLocation.DLL'. Cannot find or open the PDB
  file.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:DataSharedData
  PhoneToolsAppxLayouts5534067a-689a-4cf7-
  a832-0f14fb3a6014VS.Debug_AnyCPU.raoulGalaSoft.MvvmLight.Extras.DLL'.
  Cannot find or open the PDB file.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 SYSTEM.COMPONENTMODEL.NI.DLL'. Skipped loading symbols. Module is
 optimized and the debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 SYSTEM.REFLECTION.NI.DLL'. Skipped loading symbols. Module is optimized
 and the debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 SYSTEM.THREADING.NI.DLL'. Skipped loading symbols. Module is optimized
 and the debugger option 'Just My Code' is enabled.
'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 SYSTEM.GLOBALIZATION.NI.DLL'. Skipped loading symbols. Module is
 optimized and the debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
  SYSTEM.LINQ.NI.DLL'. Skipped loading symbols. Module is optimized and
 the debugger option 'Just My Code' is enabled.
  'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
  SYSTEM.CORE.NI.DLL'. Skipped loading symbols. Module is optimized and
  the debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 SYSTEM.DIAGNOSTICS.DEBUG.NI.DLL'. Skipped loading symbols. Module is
 optimized and the debugger option 'Just My Code' is enabled.
'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 SYSTEM.THREADING.TASKS.NI.DLL'. Skipped loading symbols. Module is
 optimized and the debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
  System.Net.Http.ni.DLL'. Skipped loading symbols. Module is optimized
  and the debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 System.Net.Http.Phone.ni.DLL'. Skipped loading symbols. Module is
  optimized and the debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
 System.Net.ni.DLL'. Skipped loading symbols. Module is optimized and the
 debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:DataSharedData
  PhoneToolsAppxLayouts5534067a-689a-4cf7-
   a832-0f14fb3a6014VS.Debug_AnyCPU.raoulNewtonsoft.Json.DLL'. Cannot find
  or open the PDB file.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32
  System.Runtime.WindowsRuntime.NI.DLL'. Skipped loading symbols. Module
  is optimized and the debugger option 'Just My Code' is enabled.
 'Sandwich.WindowsPhone.exe' (CoreCLR: .): Loaded 'C:windowssystem32en-US
 mscorlib.debug.resources.dll'. Module was built without symbols.
  A first chance exception of type 'System.Exception' occurred in
  mscorlib.ni.dll
   A first chance exception of type 'System.Exception' occurred in
   mscorlib.ni.dll
  The thread 0xb0c has exited with code 259 (0x103).
  The thread 0xb04 has exited with code 259 (0x103).