I am not getting the list of UPI apps on my Android 12

[altafkhan8719]

Describe the bug

I am not getting the list of UPI apps on my Android 12 version if passed as UpiApplication as Gpay, which is installed on my mobile.
I am getting activity_unavailable as raw response

To Reproduce

Steps to reproduce the behaviour:

final a = await UpiPay.initiateTransaction(
amount: "20",
app: UpiApplication(
androidPackageName:
'com.google.android.apps.nbu.paisa.user',
iosBundleId: 'com.google.paisa',
appName: 'Google Pay',
discoveryCustomScheme: 'gpay',
),
receiverName: 'Sharad',
receiverUpiAddress:
_upiAddressController.text,
transactionRef: transactionRef,
transactionNote: 'UPI Payment',

            );

            print(a);

Getting below response:

UpiTransactionResponse { txnId: null, responseCode: null, approvalRefNo: null, status: UpiTransactionStatus.failure, txnRef: null, rawResponse: activity_unavailable }

Environmental Details

• OS: [Android 12]
• Device: [Realme GTEdition]
• UPI Applications in the device: [ GPay, Paytm]

[drenther]

Please provide a repo with minimal code for reproducibility. As I am unable to reproduce this on my side.

Also, if possible try on other devices to pin down if it is a device specific issue.