suchithm

using Com.Razorpay;
using System.Net.Http;
using Newtonsoft.Json 
using Xamarin.Forms; 

[assembly: Dependency(typeof(PaymentInterface))]
namespace PlatformServices
{
    public class PaymentInterface :IPaymentInterface
    {

suchithm

using System; 
using Diet.iOS.CustomRenderer;
using UIKit;
using Xamarin.Forms;
using Xamarin.Forms.Platform.iOS;
using WebKit; 
using Foundation;
using System.Net.Http; 
using Newtonsoft.Json;
using System.Net.Http.Headers;

suchithm

CustomWebView.cs:

using System;
using Xamarin.Forms;

namespace CustomControls
{
	public class CustomWebView : WebView
	{ 
	}

suchithm

  using AndroidX.Activity.Result;
  using AndroidX.Activity.Result.Contract;

  [Activity(Label = "EditImageActivity", MainLauncher = false)]
  public class MyActivity : Activity
  {
    private ActivityResultCallback _activityResultCallback;
    private ActivityResultLauncher _activityResultLauncher;
    public static int _requestCode;
    

suchithm

  public static byte[] iv;
	public byte[] DoEncryptionString(string strText)
	{ 
	   var secretKey = GetKeyFromKeyStore();
		Cipher cipher = Cipher.GetInstance("AES/GCM/NoPadding");
		cipher.Init(Javax.Crypto.CipherMode.EncryptMode, secretKey);

		iv = cipher.GetIV(); 
		var encryption = cipher.DoFinal(System.Text.Encoding.UTF8.GetBytes(strText)); 
		return encryption;

suchithm

private void DoDecryption(string src, string dest)
{  
	//iv = Base64.Decode(ivString , Base64Flags.NoWrap);
	if (iv != null && iv.Length > 0)
	{ 
		var secretKey = GetKeyFromKeyStore();
		Cipher cipher = Cipher.GetInstance("AES/GCM/NoPadding");
		Javax.Crypto.Spec.GCMParameterSpec spec = new Javax.Crypto.Spec.GCMParameterSpec(128, iv);
		cipher.Init(Javax.Crypto.CipherMode.DecryptMode, secretKey, spec);

suchithm

public static byte[] iv;
private void DoEncryption(string src, string dest)
{ 
	IKey secretKey = GetKeyFromKeyStore(); 
	Cipher cipher = Cipher.GetInstance("AES/GCM/NoPadding");
	cipher.Init(Javax.Crypto.CipherMode.EncryptMode, secretKey);

	iv = cipher.GetIV();
	//var ivString = Base64.EncodeToString(iv, Base64Flags.NoWrap); //converted iv byte to string 
	var bytes = System.IO.File.ReadAllBytes(src);

suchithm

using System.Collections.Generic;

namespace ServiceManager
{
    public interface IEmployeeService
    {
        List<string> GetEmployeeNameList();
    }
}

suchithm

using System;
using System.Collections.Generic;

namespace ServiceManager
{
    public class EmployeeService : IEmployeeService
    {
        public EmployeeService()
        {
        }

suchithm

using CommonServiceLocator;
namespace SampleAutoFacDI.ViewModels
{
    public class ViewModelLocator
    {
        static ViewModelLocator()
        {
            AutoFacContainer.Initialize();
        }