Bookmark navigation

[Support]

Q: I am interesting on the function of bookmark navigation. So could you please provide a sample that illustrate this function?

I added the following code after "PDFDoc doc = new PDFDoc(str);" in method onActivityResult() of PDFViewCtrlDemo.java: 

Bookmark bm = doc.getFirstBookmark();
for (int i = 0;; i++){ 
  Log.d("TEST", String.format("%s = %d", bm.getTitle(), bm.getAction().getDest().getPage().getIndex()));   
  bm = bm.getNext();
} 

However, I get an error. Any pointers to help me with PDF bookmarks navigation ?

 

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A:

 

To handle this I would suggest you to use the following approach, which checks whether the bookmark is valid or not:

Bookmark bm = doc.getFirstBookmark();
while (bm.isValid()) {
    Log.d("TEST", String.format("%s = %d", bm.getTitle(), bm.getAction().getDest().getPage().getIndex()));
    bm = bm.getNext();
}


Regarding the total number of bookmarks, you must traverse the bookmark tree to get that information. Please, take a look at our Bookmark sample at http://www.pdftron.com/pdfnet/samplecode/BookmarkTest.java.

Also, you can check these links for more information:
http://www.pdftron.com/pdfnet/Javadoc/pdftron/PDF/Bookmark.html