Phonepay and Bhim app payment in xamarin form

AppPaymentService.cs

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.Util;
using Android.Views;
using Android.Widget;
using SampleApp.Droid.PaymentActivity;
using SampleApp.Droid.Service;
using SampleApp.Interface.PaymentInterface;
using Plugin.CurrentActivity;
using Xamarin.Forms;

[assembly: Xamarin.Forms.Dependency(typeof(AppPaymentService))]
namespace SampleApp.Droid.Service
{
    public class AppPaymentService : IAppPaymentService 
    {
        public string BhimPay(string amount)
        {
          
            Intent intent = new Intent(nameof(BhimPayActivity));
            intent = new Intent(CrossCurrentActivity.Current.Activity, typeof(BhimPayActivity));
            intent.PutExtra("amount", amount);
            intent.AddFlags(ActivityFlags.ClearTop);
            CrossCurrentActivity.Current.Activity.StartActivity(intent);
            return "";
        }

        public string GooglePay(string amount)
        {
            Intent intent = new Intent(nameof(GooglePayActivity));
            intent = new Intent(CrossCurrentActivity.Current.Activity, typeof(GooglePayActivity));
            intent.PutExtra("amount", amount);
            intent.AddFlags(ActivityFlags.ClearTop);
            CrossCurrentActivity.Current.Activity.StartActivity(intent);
            return "";  
        }
      
        public string IciciPay(string amount)
        {
            return "";
        }

        public string PayTm(string amount)
        {
           
            Intent intent = new Intent(nameof(PayTmActivity));
            intent = new Intent(CrossCurrentActivity.Current.Activity, typeof(PayTmActivity));
            intent.PutExtra("amount", amount);
            intent.AddFlags(ActivityFlags.ClearTop);
            CrossCurrentActivity.Current.Activity.StartActivity(intent);
            return "";
        }

        public string PhonePay(string amount)
        { 
            Intent intent = new Intent(nameof(PhonePeActivity));
            intent = new Intent(CrossCurrentActivity.Current.Activity, typeof(PhonePeActivity));
            intent.PutExtra("amount", amount);
            intent.AddFlags(ActivityFlags.ClearTop);
            CrossCurrentActivity.Current.Activity.StartActivity(intent);
            return "";
        }
    }
}

BhimPayActivity.cs

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

using Android.App;
using Android.Content;
using Android.Content.PM;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Java.Lang;
using Xamarin.Forms;
using Xamarin.Forms.PlatformConfiguration;

namespace SampleApp.Droid.PaymentActivity
{
    [Activity(Theme = "@style/MainTheme", MainLauncher = false, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation)]
    public class BhimPayActivity : Activity
    {
        string status = "";
        string TrnxacsnId = "";
        
        List<string> ResponseList = new List<string>();
        protected override void OnCreate(Bundle savedInstanceState)
        {

            base.OnCreate(savedInstanceState);
            try
            {
                string amount = Intent.GetStringExtra("amount");

                long tsLong = JavaSystem.CurrentTimeMillis() / 1000;
                string transaction_ref_id = Guid.NewGuid().ToString().Substring(0,10) + "UPI";
                string transaction_ref = Guid.NewGuid().ToString().Substring(0, 10);
                Log.Write("TR Reference ID==>", "" + transaction_ref_id);

                using (var uri = new Android.Net.Uri.Builder()
                                               .Scheme("upi")
                                                .Authority("pay")
                                                 .AppendQueryParameter("pa", Constants.PaymentUpiId)
                                               // .AppendQueryParameter("pa", "7017958029@upi")
                                                .AppendQueryParameter("pn", "Nonco")
                                                .AppendQueryParameter("mc", "0000")
                                                .AppendQueryParameter("tid", transaction_ref)
                                                .AppendQueryParameter("tr", transaction_ref_id)
                                                .AppendQueryParameter("tn", "Pay to nonco")
                                                .AppendQueryParameter("am", amount)
                                                .AppendQueryParameter("cu", "INR")
                                                .AppendQueryParameter("url", "https://www.sample.in")

                                                .Build())
                {
                    Intent = new Intent(Intent.ActionView);
                    Intent.SetData(uri);
                    if (IsAppInstalled("in.org.npci.upiapp"))
                    {
                        Intent.SetPackage("in.org.npci.upiapp");
                        StartActivityForResult(Intent, 9999);
                    }

                    else
                    {
                        var package = PackageName;
                        Toast.MakeText(Android.App.Application.Context, "Bhim is not available in this device", ToastLength.Long).Show();
                        this.Finish();
                    }
                }
            }
            catch (System.Exception ex)
            {
                Toast.MakeText(Android.App.Application.Context, "Payment through Bhim is failed", ToastLength.Long).Show();
                this.Finish();
            }
        }
        protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
        {
            base.OnActivityResult(requestCode, resultCode, data);
            try
            {
                if (requestCode == 9999)
                {
                    Console.WriteLine("Bhim pay result", data);
                    if (resultCode == Result.Ok)
                    {
                        GetResponseFromIntent(data?.Extras);
                    }
                    else if (resultCode == Result.Canceled)
                    {
                        Toast.MakeText(Android.App.Application.Context, "Payment through Bhim failed", ToastLength.Long).Show();
                    }

                }
            }
            catch (System.Exception ex)
            {

                Console.WriteLine("Exception while Bhim payment :" + ex.Message);
                ShowToast("Payment through Bhim failed");  //! Failed
            }
            if(status == "success")
            {
                var tranData = new Tuple<bool, string>(true, TrnxacsnId);
                Console.Write("Phonepe Messenging center [] status : success");
                MessagingCenter.Send("PayStatus", "PayStatus", tranData);
            }
            else
            {
                var tranData = new Tuple<bool, string>(false, null);
                Console.Write("Phonepe Messenging center [] status : failed");
                MessagingCenter.Send("PayStatus", "PayStatus", tranData);
            }
          
            Finish();
        }

        private void GetResponseFromIntent(Bundle extras)
        {
            Dictionary<string, string> dict;
            dict = new Dictionary<string, string>();
            if (extras != null)
            {
                foreach (var key in extras.KeySet())
                {
                    dict.Add(key, extras.Get(key).ToString());
                    ResponseList.Add(key + ":"+ extras.Get(key).ToString());
                    if (key == "Status" && extras.Get(key).ToString().Contains("FAILURE"))
                    {
                        Toast.MakeText(Android.App.Application.Context, "Payment through Bhim fail", ToastLength.Long).Show();
                        status = "failed";
                    }
                    if (key == "Status" && extras.Get(key).ToString().Contains("SUCCESS"))
                    {
                        Toast.MakeText(Android.App.Application.Context, "Payment through Bhim success", ToastLength.Long).Show();
                        status = "success";
                    }
                    if (key == "responseCode")
                    {
                        Console.WriteLine("Response code [] " + extras.Get(key).ToString());
                    }
                    if(key == "txnid")
                    {
                        TrnxacsnId = extras.Get(key).ToString();
                    }
                }
            }
        }

        private bool IsAppInstalled(string packageName)
        {
            PackageManager pm = this.PackageManager;
            bool installed = false;
            try
            {
                pm.GetPackageInfo(packageName, PackageInfoFlags.Activities);
                installed = true;
            }
            catch (PackageManager.NameNotFoundException e)
            {
                installed = false;
            }

            return installed;
        }
        private void ShowToast(string message)
        {
            Toast.MakeText(Android.App.Application.Context, message, ToastLength.Long).Show();
        }
       

    }
}

GooglePayActivity.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Android.App;
using Android.Content;
using Android.Content.PM;
using Android.OS;
using Android.Runtime;
using Android.Util;
using Android.Views;
using Android.Widget;
using Java.Interop;
using Java.Lang;

namespace SampleApp.Droid.PaymentActivity
{
    [Activity(Theme = "@style/MainTheme", MainLauncher = false, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation)]
    public class GooglePayActivity : Activity
    {
        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            try
            {
                long tsLong = JavaSystem.CurrentTimeMillis() / 1000;
                string transaction_ref_id = tsLong.ToString() + "UPI";
                using (var uri = new Android.Net.Uri.Builder()
                                                .Scheme("upi")
                                                .Authority("pay")
                                                .AppendQueryParameter("pa", "7017958029@upi")
                                                .AppendQueryParameter("pn", "Sonu Sharma")
                                                .AppendQueryParameter("mc", null)
                                                .AppendQueryParameter("tid", null)
                                                .AppendQueryParameter("tr", transaction_ref_id)
                                                .AppendQueryParameter("tn", "Test integration note")
                                                .AppendQueryParameter("am", "1.00")
                                                .AppendQueryParameter("cu", "INR")
                                                .Build())
                {
                    Intent = new Intent(Intent.ActionView);
                    Intent.SetData(uri);
                    if (IsAppInstalled("com.google.android.apps.nbu.paisa.user"))
                    {
                        Intent.SetPackage("com.google.android.apps.nbu.paisa.user");
                        StartActivityForResult(Intent, 9999);
                    }

                    else
                    {
                        var package = PackageName;
                        ShowToast("Google pay is not available in this device");
                        this.Finish();
                    }
                }
            }
            catch (System.Exception ex)
            {
                ShowToast("Payment through Google Pay failed");
                this.Finish();
            }
        }
        protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
        {
            base.OnActivityResult(requestCode, resultCode, data);

            try
            {
                if (requestCode == 9999)
                {
                    Android.Util.Log.Debug("Google pay result", data.GetStringExtra("Status"));
                    if (data.GetStringExtra("Status").Contains("SUCCESS"))
                    {
                        ShowToast("Payment through Google Pay success"); //! Success
                      //  SetSetting("SUCCESS");
                    }
                    else
                    {
                        ShowToast("Payment through Google Pay failed"); //! Fail
                      //  SetSetting("FAILURE");
                    }
                }
                var b = data?.Extras;
                var d = new Dictionary<string, string>();
                if (b != null)
                {
                    foreach (var key in b.KeySet())
                    {
                        d.Add(key, b.Get(key).ToString());
                        if (key == "Status" && b.Get(key).ToString().Contains("FAILURE"))
                        {
                            ShowToast("Payment through Google pay fail"); //! If failed
                        }
                        if (key == "Status" && b.Get(key).ToString().Contains("SUCCESS"))
                        {
                            ShowToast("Payment through Google pay success"); //! If success
                        }
                    }
                }
            }
            catch (System.Exception ex)
            {
                Console.WriteLine("Exception while google payment :" + ex.Message);
                ShowToast("Payment through Google pay failed");  //! If any exception occur 
            }
            this.Finish();
        }
       
        private bool IsAppInstalled(string packageName)
        {
            PackageManager pm = this.PackageManager;
            bool installed = false;
            try
            {
                pm.GetPackageInfo(packageName, PackageInfoFlags.Activities);
                installed = true;
            }
            catch (PackageManager.NameNotFoundException e)
            {
                installed = false;
            }
            return installed;
        }
        private void ShowToast(string message)
        {
            Toast.MakeText(Android.App.Application.Context, message, ToastLength.Long).Show();
        }
        public override void OnBackPressed()
        {
           
        }
  }
}

IAppPaymentService.cs

using System;
using System.Collections.Generic;
using System.Text;
namespace SampleApp.Interface.PaymentInterface
{
    public interface IAppPaymentService
    {
        string GooglePay(string amount);
        string PhonePay(string amount);
        string IciciPay(string amount);
        string BhimPay(string amount);
        string PayTm(string amount);
    }
}

PhonePeActivity.cs

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

using Android.App;
using Android.Content;
using Android.Content.PM;
using Android.OS;
using Android.Runtime;
using Android.Util;
using Android.Views;
using Android.Widget;
using Java.Lang;
using Xamarin.Forms;

namespace SampleApp.Droid.PaymentActivity
{
    [Activity(Theme = "@style/MainTheme", MainLauncher = false, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation)]
    public class PhonePeActivity : Activity
    {
        string status = "";
        List<string> ResponseList = new List<string>();

        public string TrnxacsnId { get; private set; }

        protected override void OnCreate(Bundle savedInstanceState)
        {

            base.OnCreate(savedInstanceState);
            try
            {
                string amount = Intent.GetStringExtra("amount");
                long tsLong = JavaSystem.CurrentTimeMillis() / 1000;
                string transaction_ref_id = tsLong.ToString() + "UPI";
                using (var uri = new Android.Net.Uri.Builder()
                                                .Scheme("upi")
                                                .Authority("pay")
                                                .AppendQueryParameter("pa", Constants.PaymentUpiId)
                                              //  .AppendQueryParameter("pa", "7017958029@upi")
                                                .AppendQueryParameter("pn", "Sonu Sharma")
                                                .AppendQueryParameter("tn", "Test integration note")
                                                .AppendQueryParameter("tr", transaction_ref_id)
                                                .AppendQueryParameter("am", amount)
                                                .AppendQueryParameter("cu", "INR")
                                                .Build())
                {
                    Intent = new Intent(Intent.ActionView);
                    Intent.SetData(uri);
                    if (IsAppInstalled("com.phonepe.app"))
                    {
                        Intent.SetPackage("com.phonepe.app");
                        StartActivityForResult(Intent, 9999);
                    }
                  
                    else
                    {
                        var package = PackageName;
                        Toast.MakeText(Android.App.Application.Context, "Phonepe is not available in this device", ToastLength.Long).Show();
                        this.Finish();
                    }
                }
            }
            catch (System.Exception ex)
            {
                Toast.MakeText(Android.App.Application.Context, "Payment through PhonePe failed", ToastLength.Long).Show();
                Console.WriteLine("Error", ex.Message);
                this.Finish();
            }
        }
        private bool IsAppInstalled(string packageName)
        {
            PackageManager pm = this.PackageManager;
            bool installed = false;
            try
            {
                pm.GetPackageInfo(packageName, PackageInfoFlags.Activities);
                installed = true;
            }
            catch (PackageManager.NameNotFoundException e)
            {
                installed = false;
            }

            return installed;
        }
        protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
        {
            base.OnActivityResult(requestCode, resultCode, data);
            
            if (resultCode == Result.Canceled)
            {

                Toast.MakeText(Android.App.Application.Context, "Payment through PhonePe Failed", ToastLength.Long).Show();
            }
            else if(resultCode == Result.Ok)
            {
                var b = data?.Extras;
                var d = new Dictionary<string, string>();
                if (b != null)
                {
                    foreach (var key in b.KeySet())
                    {
                        d.Add(key, b.Get(key).ToString());
                        ResponseList.Add(key + ":" + b.Get(key).ToString());
                        if (key == "Status" && b.Get(key).ToString().Contains("Failure"))
                        {
                            Toast.MakeText(Android.App.Application.Context, "Payment through Phonepe fail", ToastLength.Long).Show();
                            status = "Failed";
                        }
                        if (key == "Status" && b.Get(key).ToString().Contains("Success"))
                        {
                            Toast.MakeText(Android.App.Application.Context, "Payment through Phonepe success", ToastLength.Long).Show();
                            status = "Success";
                        }
                        if (key == "bleTxId")
                        {
                            Console.WriteLine("Phonepe[] transection id :" + b.Get(key).ToString());
                        }
                        if (key == "txnid")
                        {
                            TrnxacsnId = b.Get(key).ToString();
                        }
                    }
                }
            }            Finish();
        }
       
    }
}

please enable google business upi.. take business upi from google pay business app and put this upi in your upi intent may be its help for you . because now i am accepting payment from upi intent using gpay bussing upi.
…
On Wed, 28 Jul, 2021, 9:46 am Sonu Sharma, @.> wrote: @.* commented on this gist. ------------------------------ @ErBhautik https://github.com/ErBhautik this is related to your transaction quota, maybe quota for specific to the merchant or your UPI. — You are receiving this because you commented. Reply to this email directly, view it on GitHub https://gist.github.com/f54228336fcadd3913a1dced1ca95a81#gistcomment-3831988, or unsubscribe https://github.com/notifications/unsubscribe-auth/AEVSN4LGHELKTTJWOCPO2MTTZ6AANANCNFSM4H32VGAQ .

What about for paytm phone pay and bhim upi any idea?

Hi need some help, i am trying to implement upi payemnts using xamarin android and used all the above mentioned classed. When i try to invoke any of the UPI methods from AppPayment service, I am getting exception in following code:
public string GooglePay(string amount, string mobileNumber)
{
Intent intent = new Intent(nameof(GooglePayActivity));
intent = new Intent(CrossCurrentActivity.Current.Activity, typeof(GooglePayActivity));
intent.PutExtra("amount", amount);
intent.PutExtra("mobilenum", mobileNumber);
intent.AddFlags(ActivityFlags.ClearTop);
CrossCurrentActivity.Current.Activity.StartActivity(intent);
return "";
}
follownig link for error message. failing to create Intent i believe

attached exceptoin details from my mobile app