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Android

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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
Knowledge base
Demo

Prebuilt solutions

Example projects
Common use cases
Code Samples

About

System compatibility
File type support
Framework support
Licensing

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Android
About
Changelog

Changelog

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

Nutrient Android SDK changelog

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