integration Paytm Payment Gateway Android

Question

I am trying to integrate paytm\'s payment gateway to my Android App. I can\'t seem to find any proper documentations or procedures on their website. I\'ve checked every lead on

Answer 1

To integrate paytm on android app please add dependency in gradle file

// paytm dependency
    implementation('com.paytm:pgplussdk:1.2.3') {
        transitive = true;
    }

Add Paytm Activity in android menifest file

To generate checksum you don't need to pass email id and mobile number.You should pass only 8 param as below-

    String url ="https://www.blueappsoftware.com/payment/payment_paytm/generateChecksum.php";
    String varifyurl = "https://pguat.paytm.com/paytmchecksum/paytmCallback.jsp";

 String param=
                    "MID="+mid+
                    "&ORDER_ID=" + orderId+
                    "&CUST_ID="+custid+
                    "&CHANNEL_ID=WAP&TXN_AMOUNT=100&WEBSITE=WEBSTAGING"+
                            "&CALLBACK_URL="+ varifyurl+"&INDUSTRY_TYPE_ID=Retail";

Please check this reference link. You can find step by step process on this reference link- https://www.blueappsoftware.com/paytm-payment-gateway-integration-android-studio/