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Xamarin
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Xamarin / Android
Outline tree (Android)
There are two options to working with an outline tree. First is using a UI component that provides tools to set a bookmark or display the outline. Second is an API guide to programmatically read outline items.
Display outlines & bookmarks in Android
This tutorial only applies to Xamarin.Android. See Xamarin.iOS equivalent here .
The OutlineDialogFragment displays a document outline (containing PDF Bookmarks that can be used to navigate the PDF document by selecting a bookmark item.
Show outline dialog
To show an outline dialog fragment in your activity, create a new instance of OutlineDialogFragment by calling newInstance() and setting the PDFViewCtrl:
fun showBookmarksDialog(fragmentManager: FragmentManager, pdfViewCtrl: PDFViewCtrl): BookmarksDialogFragment {
var bookmarksDialog = pdftron.PDF.Dialog.BookmarksDialogFragment.NewInstance();
bookmarksDialog.SetPdfViewCtrl(pdfViewCtrl);
List<DialogFragmentTab> tabs = new List<DialogFragmentTab>();
var outlineDialog = new DialogFragmentTab(
Java.Lang.Class.FromType(typeof(OutlineDialogFragment)), BookmarksTabLayout.TagTabOutline, null, "Outline", "Bookmarks Dialog", null);
tabs.Add(outlineDialog);
bookmarksDialog.SetDialogFragmentTabs(tabs);
bookmarksDialog.SetStyle((int)DialogFragmentStyle.NoTitle, Resource.Style.PDFTronAppTheme);
bookmarksDialog.Show(fragmentManager, "bookmarks_dialog");
return bookmarksDialog;
}You can also set the current bookmark using setCurrentBookmark(Bookmark).
Listener
You can set a listener to be notified when an item in an OutlineDialogFragment is clicked by calling setOutlineDialogListener(OutlineDialogListener).
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