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Get started

Download PDFTron SDKIntegrate with GradleIntegrate manuallyRun samplesAdd license keyQuick start - view a documentProGuardUpdate to latest versionTroubleshooting
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Document Viewer

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Document Viewer components

PDFViewCtrlReflowFloating context menuCustomize floating context menuAnnotation toolbarAnnotation style editorCustomize annotation style editorPage sliderAnnotation listDocument outlineUser bookmark listList containerThumbnail browserAdd pages dialogRotate pages dialogView mode dialogCrop pages dialog
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Annotation and collaboration

OverviewToolManager setupRead only modeDisable annotation creation/editingDefault annotation propertiesAnnotation propertiesEventsOverride annotation handlingShow and hide existing annotationsUndo and redoRealtime collaboration
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Advanced customization

Add a custom view to a pageCreate a custom toolPage coloring modePage fit modePage layout mode
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Conversion

Convert documents to PDFConvert HTML to PDF
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Search

Text search
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Other Frameworks

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Advanced topics

Understand coordinatesDocument savingDocument lockingGenerate page thumbnailsTool class hierarchy
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FAQ

System RequirementsRun project in Android StudioRun project with source codePDFTron full vs. standardLocalizationIcon cheat sheetReduce size of APKEnable multidexOut of memory when rotating device multiple timesReduce memory consumptionDetachCurrentThread warning
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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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Troubleshooting

In this document
chevron_rightProblem: Unable to merge dex
chevron_rightProblem: Gradle project refresh failed
chevron_rightProblem: Instant Run requires ADB integration to be enabled

linkProblem: Unable to merge dex

java.lang.RuntimeException: com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex

Please follow the Android official guide for setting up multidex support, which is located here: https://developer.android.com/studio/build/multidex.html

Remember to always sync the project whenever any gradle files change:

linkProblem: Gradle project refresh failed

Click on Install Build Tool and sync project.

Make sure that you are always up-to-date with respect to Android SDK updates:

linkProblem: Instant Run requires ADB integration to be enabled

Go to the top toolbar in Android Studio and click Tools > Android > Enable ADB integration.