Android Paytm Dynamic QR Code Payment Integration Tutorial(1-5) Part - 1

Guys Like my FB page for more details about integration and Upcoming Updates.
Facebook: https://www.facebook.com/youtechguru/

Details about Paytm Wallet integration in Android for Dynamic QR Code and OTP Payment.

A. Paytm Dynamic QR Code integration Process in Android:
1. Contact Paytm Developers team for credentials and API Integration documentations.
1.1. Paytm Merchant ID
1.2. Paytm Merchant Key
1.3. Paytm Merchant Guid
1.4.
2. Design xml with a button for onClick QR Code generating.
3. A EditText view to put details of Order ID and another for Amount.
4. Also You can make another for mobile number.
Paytm Dynamic QR Code Coding Part:
1. Code a method for OnClick of button executing.
2. Inside method we have code for JSON Parser to send the data to Server in JSON Format.
3. Once the data hitting the Server it will send a response back to App.
4. From Response we have to print the path from this Response to the Link.
5. After catching the Response of link we have to print the path in a WebView Layout.
6. This path data will generate a QR Code in webview.
Customer Scans the Paytm Dynamic QR Code and by one click of Pay now Button they can pay the bill.
Paytm Dynamic QR Code generated will have the complete data and the Order ID and Amount to be paid all in it.
Server Coding Part:
1. First receive the JSON POST data in server side using PHP backend server code.
2. Save the data in a variable.
3. Generate a Request with the requested JSON data from App.
4. Generate a HEADER.
5. Send the Complete Request+Header to the Paytm Server using Paytm Url.
6. At the bottom of code echo the JSON Response and check the link for output.