Some test text!

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Get started

Download PDFTron SDK
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Quick start - view a document

Integrate with NuGetIntegrate manuallyRun samplesAdd license keyUpdate to latest version
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Xamarin.Forms

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Fundamentals

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FAQ

System requirementsPDFTron full vs. standardReduce size of APK
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Document Viewer

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Xamarin.Android

OverviewShow a document in an ActivityShow a document in a FragmentViewer configurationToolManager configurationDay and Night themes
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Xamarin.iOS

Open from online URL
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Document Viewer components

Overview
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PDFViewCtrl

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Reflow

Quick menuCustomize quick menu
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Annotation toolbar

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Annotation style editor

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Page slider

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List container

Xamarin.AndroidXamarin.iOS
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Annotation list

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Document outline

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User bookmark list

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Thumbnail browser

Add pages dialogCrop pages dialogRotate pages dialogView mode dialog
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Annotation and collaboration

OverviewToolManager setupRead only mode
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Disable annotation creation and editing

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Default annotation properties

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Change tool mode

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Events

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Override annotation handling

Show and hide existing annotationsRealtime collaboration
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Advanced customization

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Add a custom view to a page

Create a custom toolPage coloring modePage fit modePage layout modeScrolling direction
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Conversion

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Convert documents to PDF

Xamarin.AndroidXamarin.iOS
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Convert HTML to PDF

Xamarin.AndroidXamarin.iOS
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Parsing and extraction

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Digital signatures

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Search

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Text search

Xamarin.AndroidXamarin.iOS
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Advanced topics

PrintUnderstand coordinatesGenerate page thumbnails
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Troubleshooting

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Reference

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PDF Processing API

What is PDFNet?Opening a documentSerializing (saving) a documentWorking with pagesWorking with Page ContentWorking with BookmarksWorking with Interactive Forms (AcroForms)PDF SecurityLow-level PDF APIError handling
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Generate page thumbnails

This tutorial only applies to Xamarin.Android.
PDFTron's library provides a page thumbnail dialog which shows thumbnails of all PDF document pages. Fore more information, see thumbnail browser.

With PDFViewCtrl, you can get a thumbnail Bitmap image for each page in a PDF document.

The following example request thumbnail for page 3:

where pdfViewCtrl is an instance of PDFViewCtrl.

It is recommended you cancel all thumbnail requests once they are no longer needed. To cancel all thumbnail request, use PDFViewCtrl.CancelAllThumbRequests().