Hello
I try to add hidden AcroFields to existing pdf documents.
// Create Acrofields with number of stamps
PdfFormField stampfield =
PdfFormField.createTextField(stamp.getWriter(),
true, // multiline
false, // password
0); // Maxlength of field - 0 = unlimited
stampfield.setFieldName("my_field");
stampfield.setValueAsString("my_value");
stampfield.setFieldFlags(TextField.HIDDEN);
stamp.addAnnotation(stampfield, 1); //
stamp.getWriter().addAnnotation(stampfield) gaves an exception for wrong
use....
On stamped pdf I can see with text editor that "" with "my_value" have
been written. But if I open the pdf document again with PdfReader and ..
AcroFields acroFields = inPdf.getAcroFields();
String myvalue = acroFields.getField("my_field"); // returns null
.. I can not get "my_field".
What did I wrong? How can I get my acrofields?
Maybe a hint: On the book "iText in action", Chapter 15 I found how to
add AcroField with PdfWriter (but there is no example for PdfStamper);
In Chapter 16 I found how to modify existing AcroFields with PdfStamper
(but no example how to add a new field).
Thanks in advance.
Sascha
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