upi gist

    String url = "upi://";
    String gpay = "com.google.android.apps.nbu.paisa.user";
    String phonepe = "com.phonepe.app";
    String paytm = "net.one97.paytm";
    String bhim = "in.org.npci.upiapp";
    String others = "others.upiapp";
    final Intent intent = new Intent();
    intent.setAction(Intent.ACTION_VIEW);
    intent.setData(Uri.parse(url));
    runOnUiThread(() -> {
            if ("others.upiapp".equals(appPkg)) {
                Intent chooser = Intent.createChooser(intent, "Pay with");
                startActivityForResult(chooser, REQ_CODE_UPI);
            } else {
                intent.setPackage(appPkg);
                startActivityForResult(intent, REQ_CODE_UPI);
            }
        });
    }