gistfile1.txt

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Android.Preferences;

namespace ObdSync
{
    public class OBDApplication : Application
    {
        public static string DeviceIp
        {
            get{
                ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(GetInstance());
                return prefs.GetString("deviceip", "");

            }
            set{
                ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(GetInstance());
                ISharedPreferencesEditor editor = prefs.Edit();
                editor.PutString("deviceip", value);

            }

        }

        public static int DevicePort
        {
            get{
                ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(GetInstance());
                return prefs.GetInt("deviceport", 0);

            }
            set{
                ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(GetInstance());
                ISharedPreferencesEditor editor = prefs.Edit();
                editor.PutInt("deviceport", value);

            }

        }

        public static bool DeviceVerified
        {
            get{
                ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(GetInstance());
                return prefs.GetBoolean("deviceverified", false);

            }
            set{
                ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(GetInstance());
                ISharedPreferencesEditor editor = prefs.Edit();
                editor.PutBoolean("deviceverified", value);

            }
        }

        public static bool DefaultDataLoaded
        {
            get{
                ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(GetInstance());
                return prefs.GetBoolean("defaultdataloaded", false);

            }
            set{
                ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(GetInstance());
                ISharedPreferencesEditor editor = prefs.Edit();
                editor.PutBoolean("defaultdataloaded", value);

            }
        }

        static OBDApplication _instance;

        public static OBDApplication GetInstance()
        {
            if (_instance == null)
                _instance = new OBDApplication();

            return _instance;
        }

        static OBDIIEngineLibrary.OBDIIEngine obdEngine;

        public static OBDIIEngineLibrary.OBDIIEngine OBDEngine
        {
            get
            {
                if (obdEngine == null)
                    obdEngine = new OBDIIEngineLibrary.OBDIIEngine(DeviceIp, DevicePort);

                return obdEngine;
            }
        }

        static OBDIIEngineLibrary.ELM.ElmGeneral elmGeneral;

        public static OBDIIEngineLibrary.ELM.ElmGeneral ElmGeneral
        {
            get
            {
                if (elmGeneral == null)
                    elmGeneral = new OBDIIEngineLibrary.ELM.ElmGeneral(OBDIIEngineLibrary.Comm.OBDIITCPPort.getInstance(DeviceIp, DevicePort));

                return elmGeneral;
            }
        }

        static OBDIIEngineLibrary.ELM.ElmVoltageReadingCommands elmVoltage;

        public static OBDIIEngineLibrary.ELM.ElmVoltageReadingCommands ElmVoltage
        {
            get
            {
                if (elmVoltage == null)
                    elmVoltage = new OBDIIEngineLibrary.ELM.ElmVoltageReadingCommands(OBDIIEngineLibrary.Comm.OBDIITCPPort.getInstance(DeviceIp, DevicePort));

                return elmVoltage;
            }
        } 
    }

}