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guides

Introduction
Upgrade
Viewer
- Overview
- Page transition
- Page navigation
- Zooming
- Viewing options
  
  Reader View
  
  Night theme
  
  Right-to-left
  
  Multiple documents
- View state
- Accessibility
  
  Features
  
  Text-to-speech
- Rendering
  
  Resolution
  
  PDF pages
  
  PDF forms
  
  Coordinate space
  
  Annotations
  
  Fonts
  
  Drawable API
- Images and photos
- PDF JavaScript support
- Text selection
- Permissions
- Troubleshooting
Open a document
Save a document
User interface
- Overview
- Document info view
- View hierarchy
  
  Document
  
  Fragment
  
  Activity
- Main toolbar menus
- Contextual toolbars
  
  Customization
  
  Document editing
  
  Annotation editing
  
  Annotation creation
  
  Text selection
  
  Usage within fragment
- Property inspectors
  
  Annotation inspector
  
  Form inspector
  
  Usage within fragment
- Modal dialogs
- Signatures
- Appearance styling
- Thumbnail bar
- Form editing bar
- Note editor
- Overlay views
- UI visibility
- Scrollbars
- Custom activities
  
  Building around fragment
  
  Extending PdfActivity
- Localization
AI Assistant
- Integrate viewer with AI Assistant
Annotations
- Overview
- Introduction to annotations
  
  What are annotations?
  
  Annotation types
  
  Data formats
  
  Bounding boxes
- Synchronization
  
  Overview
  
  Storing annotation data
  
  Conflict resolution
- Save
  
  Overview
  
  Embed into a PDF
  
  To an external source
  
  Auto save
- Import and export
  
  XFDF
  
  Instant JSON
  
  Document Engine
- Create, edit, and remove
  
  Programmatic
  
  Detect changes
  
  Attach a file
  
  Disable editing
  
  Annotation flags
  
  Copy and paste
  
  Undo and redo
  
  Author name
  
  Z-index
- Customization
  
  Appearance streams
  
  Hiding annotations
  
  Default properties
  
  Note icon
  
  Store custom data
  
  PDF JavaScript API
- Replies and reviews
- Stamp a document
  
  Stamp configuration
  
  Custom stamps
- Flatten
- Rich media
  
  Video annotations
  
  Multimedia annotations
  
  Sound annotations
- Annotate on images
  
  Create, edit, and remove
  
  Specification
- PDF actions
  
  PDF actions support
  
  Link annotations
- Freeform rotation
- Select or deselect
- Magic Ink
- Troubleshooting
Forms
- Overview
- Introduction to forms
  
  What are forms?
  
  Form fields
  
  Data formats
- Fill form fields
  
  Programmatic
  
  Using the UI
  
  Attach a file
  
  Undo and redo
  
  Detect user input
  
  Detect clicks
- Extract form data
- Submit or save
  
  To a custom destination
  
  To an external destination
  
  To Document Engine
  
  Embed data into a PDF
  
  Auto save
- Create, edit, and remove
  
  Create a fillable form
  
  Add a signature field
  
  Disable editing
  
  Form field flags
- Flatten
- PDF actions support
- JavaScript validation
Instant synchronization
Signatures
- Overview
- Electronic signatures
  
  Add an eSignature
  
  Signature storage
  
  Sign with a certificate
- Introduction to signatures
- Digital signatures
  
  Overview
  
  Signature lifecycle
  
  Overview
  
  Certificates for signing
  
  Add a signature field
  
  Sign a PDF document
  
  Validation
  
  Signature appearance
  
  External signing service
  
  Biometric
  
  Supported formats
  
  Signature standards
  
  Troubleshooting
- Fill and sign forms
Editor
- Overview
- Edit text
- Merge or combine
- Page manipulation
  
  Rotate
  
  Crop
  
  Move or copy
  
  Remove
  
  Scale or resize
- Add page
- Attach a file
- Split
- Add an image
- Metadata
  
  Document title
  
  PDF metadata
- Document permissions
PDF generation
Conversion
Extraction
Redaction
OCR
Document security
Search
- Overview
- Search in a PDF
  
  Text search
  
  Annotation search
- Indexed full-text search
  
  Indexing documents
  
  Matching options
Compare documents
Measurements
- Overview
- Distance
- Area
- Configure
Bookmarks
Events and notifications
- Overview
- Viewer
- Annotations
- Forms
- Text selection
- Analytics
- Events
Instant JSON
- Overview
- How it works
- Annotation schema
  
  Annotations
  
  File attachments
  
  Form field values
  
  Form field types
  
  Bookmarks
  
  Actions
  
  Comments
- Convert to XFDF
Jetpack Compose
- Overview
- Viewer
- Interactions
- Components
  
  Main toolbar
Best practices
Troubleshooting
- Overview
- Errors and warnings
  
  ABI set not compatible
  
  Didn't find class on path DexPathList
  
  Gradle “peer not authenticated” error
  
  NoClassDefFoundError
  
  Out of memory build errors
  
  VFY warnings
- Getting started
  
  Initializing Nutrient
- License
  
  Add a license key
  
  Getting the currently used version
  
  Updates have expired
  
  Using the license key in other languages
  
  What Is a bundle ID?
- Miscellaneous
  
  AndroidX migration
  
  Bug reporting
  
  General layout problems
  
  Path traversal vulnerability
  
  R8 retracing
- Rendering
  
  Changing the font size
  
  PDF rendering complexities
  
  Inconsistent fonts
  
  Inconsistent labels
  
  Outdated render cache
  
  Nutrient doesn’t show the PDF form
- User interface
  
  Disable all UI interaction
Knowledge base
Demo

Prebuilt solutions

Example projects
Common use cases
Code samples

Releases

11.5
11.4
11.3.1
11.3
11.2
11.1
11.0
10.10.1
10.10
10.9
10.8
10.7
10.6

About

System compatibility
File type support
Framework support
Licensing

Nutrient Portal

Android
About
Changelog

Changelog

Keep track of changes and upgrades to the Nutrient Android SDK API.

Nutrient Android SDK changelog

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