This can be achieved using Editbox annotation, that can be added using Page.AddAnnotEditbox Repositioned using Annotation.SetRect Removed using Annotation.RemoveFromPage For more details, you can check
How to add an Edit Text annotation (Android)
Yes, PDFReader is deprecated. We recommend to use RDPDFReader instead (PDFLayout instead of PDFReader) as it's better performance wise.
You need to run the RDPDFReader module (com.radaee.reader.PDFViewAct)