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New Document Viewer UI (Beta)

New Document Viewer UI (Beta) in Xamarin.iOS

The new UI is in beta. If you have any feedback or questions, please let us know

We are very pleased to introduce a new UI for PDFTron's document viewer:

The new UI is:

  • More easily customizable by APIs
  • Better UX and more attractive UI
  • Can show annotation tools concurrently with the main UINavigationBar
  • Accommodates more tools
  • Is user-customizable

This functionality is part of the new class PTDocumentController, which is a near drop-in replacement for PTDocumentViewController.

linkAnnotation Toolbar

The annotation toolbar has an attractive new look. The toolbar scrolls horizontally, allowing it to host any number of tools. Frequently accessed undo/redo buttons are "sticky", and are always available:


linkMultiple Toolbars

Multiple toolbars are supported, and can be switched between using a toolbar chooser. A number of standard toolbars are included, including "View", "Annotate", "Shapes", and "Insert". These are completely customizable, both the name and number of toolbars, which tools they contain, and what order they are displayed in, so that it can fit your app's requirements exactly.

Toolbar Switcher

linkView mode

The new UI also includes a "View Mode", which hides the annotation toolbar.

View Mode


Annotation tools support presets, so that a user can quickly change between styles. For example when the pen tool is active, switching between red, green and back to red is a single-tap operation.


linkBottom Bar

On iPhone, the bottom bottom bar includes one-touch access to viewing and navigation actions. This includes the annotation/bookmarks/outlines/layers lists, thumbnails, reader mode and a Safari-inspired tabs button.

Of course, this area is completely customizable for your app's purposes.

linkThumbnail Slider

The thumbnail slider has been updated, and moves horizontally or vertically with the direction of scroll.

linkUser toolbar customization

If your app contains many tools, the new UI allows the user to customize it to their preference.

This includes the ability to re-order tools in a toolbar:

Reorder Tools

As well as create a fully-custom "favorite" toolbar:

Favorite Toolbar

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