Step1 Create a new form interface in tcode SFP
Click tab "Interface",add a new attribute QRCODE_INPUT with type string for Form Interface - Import. This attribute is used to hold the content input by end user which will be used to generate QR code. Activate the interface.
Step2 Create a new form template in tcode SFP
Specify the interface you created in step1 as its interface:
In Context tab, drag the attribute QRCODE_INPUT to form Context:
Click tab "Layout", drag a QR Code control from Adobe Form Designer Object Library:
Specify its data binding from context attribute which we drag from form interface in step2:
activate the form template.
Step3 Create a new ABAP webdynpro
It has one text edit which allows end user to input some string which will be used to generate the QR code, a button to trigger the PDF generation, and an interactive form element to display the rendered PDF with QRCode.
Select the interactive form element, maintain the template source with ZPF_GRCODE we created in step2, choose Yes to let framework to generate the necessary context for us:
Bind the text edit to the automatically generated context attribute:
Test
type some test string and click Generate button, the generated QR code is displayed in the interactive form element.
and I can use the QRCode scanner installed in my cellphone to parse the QRCode successfully.