Accept payment using GPay UPI

GPay UPI

private val GOOGLE_REQUEST_CODE: Int = 123

val uriapp = Uri.Builder()
        .scheme("upi")
        .authority("pay")
        .appendQueryParameter("pa", "merchant@bank")  //VPA Name here
        .appendQueryParameter("pn", "Merchant Name")  //merchant name here
        .appendQueryParameter("mc", "1234")           //merchant code here
        .appendQueryParameter("tr", "123456789")      //transaction reference id here
        .appendQueryParameter("tn", "For shopping")   //transaction note here
        .appendQueryParameter("am", "100")            //amount here
        .appendQueryParameter("cu", "INR")            //currency code here e.g., INR,etc
        .appendQueryParameter("url", "https://merchant.website") //website of merchant here
        .build()
        
val intent = Intent(Intent.ACTION_VIEW)
intent.data = uriapp
intent.setPackage("com.google.android.apps.nbu.paisa.user")
if (intent.resolveActivity(packageManager) != null) {
    startActivityForResult(intent, GOOGLE_REQUEST_CODE)
} else {
    Toast.makeText(this, "This payment mode is not available on your device.", Toast.LENGTH_LONG).show()
}

override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
        super.onActivityResult(requestCode, resultCode, data)
        if (requestCode == GOOGLE_REQUEST_CODE) {
            Log.e("focus", data.toString())
            data?.getStringExtra("Status")?.let {
                Log.e("result", it)
            }
        }
    }