Add text annotation to a document in Android

To add a sticky note (text annotation) to a PDF Document.

PDFDoc doc = new PDFDoc(filename);
Page page = doc.getPage(1);

// Create the sticky note (Text annotation)
Text txt = Text.create(doc, new Rect( 10, 20, 30, 40 ));
txt.setIcon("UserIcon");
txt.setContents("The quick brown fox ate the lazy mouse.");
txt.setColor(new ColorPt(0,1,0));
txt.refreshAppearance();
page.annotPushBack(txt);

Add or edit PDF annotations
Full code sample which shows how to add or edit PDF annotations (e.g. hyperlink, intra-document link, stamp, rubber stamp, file attachment, sound, text, free-text, line, circle, square, polygon, polyline, highlight, squiggly, caret, and ink).