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Get started

Quick start - view a documentDownload PDFTron SDKIntegrate with GradleIntegrate manuallyRun samplesAdd license keyUpdate to latest versionTroubleshooting
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FAQ

System requirementsDocument lockingDocument savingRun project in Android StudioRun project with source codePDFTron full vs. standardReduce size of APK
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Document Viewer

OverviewShow a document in an ActivityShow a document in a FragmentViewer configurationToolManager configurationDay and Night themesOpen from online URL
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Document Viewer components

OverviewPDFViewCtrlReflowQuick menuCustomize quick menuAnnotation toolbarAnnotation style editorCustomize annotation style editorPage sliderList containerAnnotation listDocument outlineUser bookmark listThumbnail browserAdd pages dialogCrop pages dialogRotate pages dialogView mode dialog
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Annotation and collaboration

OverviewRead only modeDisable annotation creation and editingDefault annotation propertiesChange tool modeEventsOverride annotation handlingShow and hide existing annotationsUndo and redoRealtime collaboration
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Advanced customization

OverviewAdd a custom view to a pageCreate a custom toolPage coloring modePage fit modePage layout modeScrolling directionRight-to-left support
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Conversion

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Parsing and extraction

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Digital signatures

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Search

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Advanced topics

PrintUnderstand coordinatesGenerate page thumbnailsChange annotation propertiesDelete annotationsTool class hierarchy
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Other frameworks

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Troubleshooting

Multidex build errorReduce memory consumptionDetachCurrentThread warning
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Reference

ProGuardLocalizationIcon cheat sheet
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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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Overview

When you download the PDFTron SDK for Android, it contains three packages with the following main components:

NamePackageFunctionality
DocumentActivityToolsThis all-in-one document reader and PDF editor is a feature rich component that is highly configurable for you to use directly in your application. To customize the viewer UI, see the viewer configuration guide.
PDFViewCtrlPDFTron coreThe key component of DocumentActivity responsible for document rendering. It gives you full control over the view hierarchy to allow you to build a document viewer that is unique to your application.
Interactive annotation toolsToolsThe key component of DocumentActivity responsible for interactively creating/modifying/deleting annotations, filling forms, signing, selecting text, following links, and playing multimedia etc. It is managed by a ToolManager class. To customize ToolManager behaviour, see the ToolManager configuration guide.
Interactive UI componentsToolsThe key component of DocumentActivity responsible for other interactive features such as reflow, document outline, list of annotations, page manipulation, and page cropping etc.
File manager UIDemoThis sample app shows how to use PDFTron API to build a file management app with the ability to show cover page thumbnail, merge multiple documents into one, and open from different file sources etc.