UPI payment

upi.java

 private void launchUPI() {
        // look below for a reference to these parameters
        Uri uri = Uri.parse("upi://pay").buildUpon()
                .appendQueryParameter("pa", "xxx@xxxxx")
                .appendQueryParameter("pn", "XYZXYZ")
                .appendQueryParameter("tn", "Pay for in-app purchase")
                .appendQueryParameter("am", "20")
                .appendQueryParameter("cu", "INR")
                .build();

        Intent upiPayIntent = new Intent(Intent.ACTION_VIEW);
        upiPayIntent.setData(uri);

        Intent chooser = Intent.createChooser(upiPayIntent, "Pay with");

        if (null != chooser.resolveActivity(getPackageManager())) {
            Log.d("TAG", "UPI Payment resolved to activity");
            startActivityForResult(chooser, 12);
        } else {
            Log.d("TAG", "No activity found to handle UPI Payment");
        }
    }


@Override protected void onActivityResult(int requestCode, int resultCode, Intent data) {
  super.onActivityResult(requestCode, resultCode, data);

  if(REQ_UPIPAYMENT == requestCode){
    if(RESULT_OK == resultCode){
      Log.d(TAG, "UPI Payment successfull");
    } else {
      Log.d(TAG, "UPI Payment failed");
    }
  }
}




pa: UPI Virtual address of the payee (the one who receives the payment)
pn: Name of the payee. Can be name of merchant or store.
tn: Transaction note. A simple description of the transaction, like, payment for in-app items, bill payments, etc.
am: Monetary amount of transaction in decimal format.
cu: Currency used in the transaction. Currently only INR is supported.