# About Nutrient Nutrient delivers the tools to build intelligent document-centric applications and workflows. Nutrient’s document SDKs, cloud services, integrations for M365 and Salesforce, and workflow automation platform transform how modern businesses automate, secure, and scale document-centric processes. The company powers thousands of organizations worldwide, including more than 15 percent of Global 500 brands, thousands of commercial businesses across 80 nations, and more than 130 public sector organizations in 24 countries. Backed by Insight Partners and based in Raleigh, NC, Nutrient operates additional offices in England, France, and Austria. Nutrient is on a mission to transform how humans work with documents, with a technology stack that integrates the industry-leading document and workflow automation technology from PSPDFKit, ORPALIS, Aquaforest, Muhimbi, and Integrify. Learn more at https://www.nutrient.io/. ## Product suite Nutrient’s interconnected product lines include: 1. **SDKs** — Developer-first, cross-platform development kits for embedding PDF functionality into native and hybrid applications (Web, iOS, Android, React Native, Flutter, and many more). Key capabilities: Viewing, rendering, annotations, real-time collaboration, form handling, digital/electronic signatures, editing, redaction, OCR, and AI-powered features. 2. **Document Engine** — A self-hosted PDF server for processing documents and powering server-side automation workflows. It operates standalone or as a backend for the SDKs for enhanced performance and collaboration. 3. **Document Web Services (DWS)** — Fully managed, SOC 2 Type 2 audited cloud APIs for high-scale document viewing and processing. Includes the DWS Viewer API (for cloud-based rendering) and DWS Processor API (30+ action-based APIs for generation, conversion, watermarking, merging, and much more). 4. **Workflow Automation platform** — A no-code/low-code SaaS platform to automate business processes centered around documents, forms, and approvals. Features include a process builder, form designer, approval routing, and intelligent document processing with AI. 5. **Low-Code integrations (M365 and Salesforce)** — Advanced document functionality embedded directly into platforms such as Microsoft 365 (SharePoint, Power Automate) and Salesforce. Capabilities include conversion, OCR, watermarking, PDF form handling, and native generation/editing, without requiring plugins or custom code. ## Key differentiators - **Full document lifecycle** — End-to-end capabilities in one platform. - **Developer flexibility** — Clean APIs, extensive customization, and deployment flexibility (cloud, self-hosted, air-gapped). - **AI-native** — Intelligence is embedded across all products for agentic workflows and document intelligence. - **Enterprise trust** — SOC 2 Type 2 audited and WCAG compliant, deployed in regulated industries. ## Primary use cases - Embedding rich PDF viewers and annotation tools in apps. - Building in-app eSigning and approval workflows. - Automating document generation and form processing/data extraction. - Enterprise-scale content management and compliance. - Redacting sensitive information at scale. ## Nutrient Android SDK Nutrient Android SDK offers a rich set of features that empower you to integrate seamless PDF viewing, editing, and customization capabilities directly into your Android app, all while maintaining a focus on performance and user experience. Key capabilities include: - Display complex PDFs exactly as authored — fonts, layouts, images, and vector graphics render flawlessly on any Android screen. - Let users highlight, sign, fill forms, and add comments directly in your app. Pair with server-side components to enable offline edits and real-time or deferred syncing. - Build on a modern Android stack with full support for AI-powered features like summarization, redaction, and natural language search. The SDK integrates cleanly with AndroidX and scales with whatever comes next. - All processing stays on-device, keeping data inside your app’s sandbox. The same core engine ensures a consistent UX across platforms. ## API reference API documentation is available at https://www.nutrient.io/api/android/. ## Documentation directory [Add PDF functionality in Android](https://www.nutrient.io/sdk/android/getting-started/): Learn how to integrate Nutrient Android SDK into your Android application. Step-by-step guide for adding PDF viewing, editing, and annotation features. [Nutrient Android SDK changelog](https://www.nutrient.io/guides/android/about/changelog/): Latest updates and release notes for Nutrient Android SDK including new features, improvements, and bug fixes. [Nutrient Android SDK file type support](https://www.nutrient.io/guides/android/about/file-type-support/): Android file type support guide for Nutrient Android SDK with detailed instructions and code examples. [Nutrient Android SDK framework support](https://www.nutrient.io/guides/android/about/frameworks/): Nutrient can be deployed on a number of mobile frameworks. There are official sample projects for different mobile platforms:. [Nutrient Android SDK licensing](https://www.nutrient.io/guides/android/faq/licensing/): Thanks for your interest in Nutrient Android SDK. Our SDK is licensed as a subscription on a per-app ID basis. We do allow additional app IDs for beta testing. [Nutrient Android SDK system compatibility](https://www.nutrient.io/guides/android/announcements/version-support/): System requirements and compatibility information for Nutrient Android SDK including supported versions and dependencies. [Add AI capabilities to Nutrient document viewer](https://www.nutrient.io/guides/android/ai-assistant/): Learn how to integrate Nutrient AI Assistant with Nutrient Android SDK to enable conversational document interactions and AI-powered summaries — all within your Android-based document viewer. [Android image annotation made easy](https://www.nutrient.io/guides/android/annotations/annotate-images/): Learn how to annotate images seamlessly in Android with our SDK's new ImageDocument class. [Image annotation specification guide](https://www.nutrient.io/guides/android/features/image-document-standard/): Discover how to annotate images seamlessly using our enhanced XMP format for PNG, JPEG, and TIFF files. [Define annotation behavior in a PDF with flags Android](https://www.nutrient.io/guides/android/annotations/annotation-flags/): Every Annotation in a document can specify AnnotationFlags that further define the annotation’s behavior and capabilities. [Embed or attach a file to a PDF on Android](https://www.nutrient.io/guides/android/annotations/file-annotations/): Learn how to easily attach a file in Android with our comprehensive guide. Follow simple steps to share files effortlessly on your device. [Set annotation author on Android in PDF](https://www.nutrient.io/guides/android/annotations/annotation-author-name/): Learn how to set the PDF annotation author name on Android using PSPDFKit. Create a seamless user experience with customizable annotation settings. [Copy and paste annotations in PDFs on Android](https://www.nutrient.io/guides/android/features/copy-paste/): Nutrient Android SDK has support for copying and pasting annotations. This works between pages of a document and even between multiple documents. [Detect if PDF annotation has changed on Android](https://www.nutrient.io/guides/android/annotations/create-edit-and-remove/detect-changes/): After loading a document, you can access its annotations via the AnnotationProvider returned by PdfDocument#getAnnotationProvider. [Disable PDF annotation editing on Android](https://www.nutrient.io/guides/android/annotations/configuring-annotation-editing/): Annotation editing can be configured using PdfActivityConfiguration.Builder when using PdfActivity, or using PdfConfiguration.Builder when using PdfFragment. [Programmatically create PDF annotations on Android](https://www.nutrient.io/guides/android/annotations/programmatically-creating-annotations/): You can programmatically create link, highlight, free text, ink, or note annotations just like you can any other types of supported annotations. [Undo and redo PDF annotations on Android](https://www.nutrient.io/guides/android/features/undo-redo/): Nutrient Android SDK supports undo and redo for creating and editing annotations. Control UndoManager functions, and use PdfConfiguration to enable/disable these features. [Z-index for stacking order of PDF annotations Android](https://www.nutrient.io/guides/android/annotations/annotation-z-index/): The annotation z-index defines the stacking order of annotations on a page. Control PDF annotation stacking order to manipulate the Z-index programmatically. [Custom appearance streams for PDF annotations](https://www.nutrient.io/guides/android/annotations/appearance-streams/): Learn how to set up appearance streams in PDF annotations on Android for tailored visual representations and improved user experience. [Configure PDF annotations in Android](https://www.nutrient.io/guides/android/annotations/annotation-configuration/): Every annotation of a document has properties specific to its type. For example, ink annotations have a color property as well as a line width. [Hide PDF annotations on Android](https://www.nutrient.io/guides/android/annotations/configuring-editablevisible-annotation-types/): Learn how to hide specific annotation types in Nutrient by configuring excludedAnnotationTypes for customized PDF rendering. Enhance your document display now! [Customizing note annotation icon on Android](https://www.nutrient.io/guides/android/annotations/customize-annotation-rendering/): There are various ways to customize how an annotation is shown and rendered on a page. for Nutrient Android SDK. [PDF annotations on Android with JavaScript support](https://www.nutrient.io/guides/android/miscellaneous/javascript-api/): We added JavaScript support in Nutrient Android SDK 4.7. JavaScript can be attached to any interactive element in a PDF document. [Store custom data in annotations](https://www.nutrient.io/guides/android/annotations/custom-data-in-annotations/): Learn how to store custom data in PDF annotations using the Android SDK. [Flatten PDF annotation on Android](https://www.nutrient.io/guides/android/annotations/flatten/): Nutrient allows annotation flattening using the PdfProcessor class. [Effortless annotation rotation on Android](https://www.nutrient.io/guides/android/annotations/annotation-rotation/): Learn how to implement annotation rotation in your Android app using SDK, including UI guidance and programmatic solutions. [Import and export PDF annotations on Android](https://www.nutrient.io/guides/android/annotations/import-and-export/document-engine/): Automatically manage PDF annotations on Android with PSPDFKit Instant. Simple import and export features enhance your PDF handling experience. [PDF annotations import/export on Android](https://www.nutrient.io/guides/android/annotations/import-and-export/instant-json/): Learn how to import and export PDF annotations using Instant JSON on Android for smooth document handling and long-term storage. [Import and export PDF annotations from XFDF file on Android](https://www.nutrient.io/guides/android/importing-exporting/xfdf-support/): Use the XfdfFormatter class methods, such as parseXfdfAsync() and writeXfdfAsync(), to import and export PDF annotations and form field values using the Adobe XML-based XFDF standard on Android. [Supported PDF annotation types in Android viewer](https://www.nutrient.io/guides/android/annotations/introduction-to-annotations/annotation-types/): Supported PDF annotation types in Android viewer | guide for Nutrient Android SDK with detailed instructions and code examples. [Retrieve or set annotation bounding box on Android](https://www.nutrient.io/guides/android/annotations/position-and-size/): Discover how to use bounding boxes in annotations effectively. Enhance your data visualization and improve accuracy with our comprehensive guide. [PDF annotation formats for Android: XFDF vs. JSON](https://www.nutrient.io/guides/android/annotations/introduction-to-annotations/data-formats/): Explore the differences between XFDF and Instant JSON for managing PDF annotations on Android and learn which format is best for your needs. [What are PDF annotations?](https://www.nutrient.io/guides/android/annotations/introduction-to-annotations/what-are-annotations/): Learn about PDF annotations and how to work with them in Nutrient Android SDK. [Magic Ink tool — Draw and detect annotation shapes in PDFs](https://www.nutrient.io/guides/android/annotations/magic-ink/): With Nutrient Android SDK 5.3, we introduced a new annotation tool: Magic Ink. This tool lets you draw on a PDF using the ink tool. [Android PDF annotation library: Fast and easy setup](https://www.nutrient.io/guides/android/annotations/introduction-to-annotations/): Quick start guide for integrating Nutrient Android SDK with installation steps, configuration, and basic implementation. [Add link annotation to PDF on Android](https://www.nutrient.io/guides/android/annotations/link-annotations/): Configure DocumentListener#onPageClick to implement custom URI handling for link annotations, and use PdfActivityConfiguration#automaticallyGenerateLinks(true) to autodetect web and mobile links on Android. [PDF annotation actions on Android](https://www.nutrient.io/guides/android/annotations/pdf-actions/): PDF annotation actions on Android | guide for Nutrient Android SDK with detailed instructions and code examples. [Review and reply to PDF annotations on Android](https://www.nutrient.io/guides/android/annotations/replies/): With annotation replies, users are able to have written discussions directly inside a document. As of Nutrient Android SDK 4.5. [Add multimedia to PDFs with Android annotations](https://www.nutrient.io/guides/android/annotations/multimedia-annotations/): Along with rich media and video annotations, Nutrient supports a custom gallery format that can display locally stored videos, websites. [Create and embed sound annotations in PDF on Android](https://www.nutrient.io/guides/android/annotations/sound-annotations/): Nutrient supports the reading and creation of sound annotations with embedded audio data. There’s also full UI support for playing back. [Android video annotation — Embed video in PDFs](https://www.nutrient.io/guides/android/annotations/video-annotations/): This section is about embedded video annotations. For adding multimedia elements on demand, see our multimedia annotations guide instead. [Auto save PDF annotations on Android](https://www.nutrient.io/guides/android/annotations/annotation-and-bookmark-saving-triggers/): Nutrient will save “dirty” (changed/created/deleted) annotations when their fragment lifecycle onStop() method is called. In practice. [Embed annotations in PDF on Android](https://www.nutrient.io/guides/android/annotations/save/embed-into-pdf/): By default, save writable PDFs to embed annotations directly; call PdfDocument#save() or enable auto saving to ensure annotations are saved within the PDF document file on Android. [Save PDF annotation on Android](https://www.nutrient.io/guides/android/annotations/annotation-saving-mechanism/): By default, Nutrient will save annotations asynchronously and automatically when the onStop() lifecycle event is called. [Save PDF annotations to external source on Android](https://www.nutrient.io/guides/android/annotations/save/to-external-source/): Saving annotations to an external source is an operation that can be tackled in different ways. With Nutrient Android SDK. [Select or deselect annotations on Android](https://www.nutrient.io/guides/android/annotations/select-or-deselect/): Learn how to select annotations in a document using Nutrient. Enable annotation editing and follow specific preconditions. [Stamp custom image annotation on PDF on Android](https://www.nutrient.io/guides/android/annotations/image-annotations/): Programmatically create custom image annotations using the StampAnnotation class, and set the appearanceStreamGenerator to a vector source such as AssetAppearanceStreamGenerator for high-resolution stamping on Android. [PDF stamp annotation on Android — Draft, Copy, Approved](https://www.nutrient.io/guides/android/annotations/stamp-annotations-configuration/): Nutrient supports stamp annotations, which you can customize to your liking. To change the default set of stamp annotations available. [Resolving annotation conflicts on Android](https://www.nutrient.io/guides/android/annotations/synchronization/conflict-resolution/): Learn effective strategies for handling concurrent annotation updates and conflicts in Android applications. [Synchronizing PDF annotations on Android](https://www.nutrient.io/guides/android/annotations/synchronization/): Unlock the secrets of flawless annotation synchronization in Android. Master your PDF editing experience with our expert guide. Click now! [Store annotation data efficiently on Android](https://www.nutrient.io/guides/android/annotations/synchronization/storing-annotation-data/): Learn effective techniques for storing and synchronizing annotation data on Android using Instant Synchronization and custom solutions. [Sluggish rendering](https://www.nutrient.io/guides/android/annotations/annotation-overlay-mode/): Discover how Nutrient’s overlay mode enhances annotation performance, ensuring faster updates and a seamless user experience on Android devices. [Android PDF annotation troubleshooting](https://www.nutrient.io/guides/android/annotations/troubleshooting/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Nutrient Android SDK best practices](https://www.nutrient.io/guides/android/best-practice/): Nutrient Android SDK has a number of guides that illustrate best practices for various use cases:. [About memory usage](https://www.nutrient.io/guides/android/memory-and-storage/about-memory-usage/): Implement optimization strategies to reduce PDF rendering memory pressure on Android, including disabling multithreaded rendering and reducing the memoryCacheSize via PdfActivityConfiguration. [Checking for device compatibility](https://www.nutrient.io/guides/android/faq/check-for-compatibility/): System requirements and compatibility information for Nutrient Android SDK including supported versions and dependencies. [Customizing the page number](https://www.nutrient.io/guides/android/customizing-pdf-pages/customizing-the-page-number/): Nutrient supports the PDF page label feature, which means you can rewrite and change the regular absolute one-based numbering in PDF documents. [Managing data storage and privacy in Android](https://www.nutrient.io/guides/android/best-practices/data-storage-and-privacy/): Understand how Nutrient Android SDK manages data storage, caching, and privacy. Learn where data is stored, how to control retention, and ensure compliance with security requirements. [Framework size](https://www.nutrient.io/guides/android/faq/framework-size/): You might be wondering why the Nutrient .aar file is 31 MB. [Logging](https://www.nutrient.io/guides/android/features/logging/): Configure Android logging using the PdfLog API: add custom loggers with addLogger(), control log output destinations, and filter messages based on priority (e.g. VERBOSE, INFO) or tag via the Logger#isLogged() method. [Manual library integration](https://www.nutrient.io/guides/android/advanced-integration/manual-library-integration/): Learn how to manually integrate features into your Android app with our comprehensive guide. Get expert tips and best practices for seamless integration. [Nightly builds](https://www.nutrient.io/guides/android/advanced-integration/nightly-builds/): Learn about nightly builds and how to use them in Nutrient for Android and iOS. [Opening local files](https://www.nutrient.io/guides/android/miscellaneous/opening-local-files/): Nutrient supports opening files from the local file system of your device. This article provides best practices for working with local files in your apps. [Optimize PDF Documents for mobile rendering](https://www.nutrient.io/guides/android/miscellaneous/optimize-pdf-documents-for-mobile-rendering/): Optimize PDF Documents for mobile rendering guide for Nutrient Android SDK with detailed instructions and code examples. [Permissions](https://www.nutrient.io/guides/android/advanced-integration/permissions/): Certain features in Nutrient need additional permissions, which apps have to declare inside their manifest using ` elements. [Powered by Nutrient](https://www.nutrient.io/guides/android/miscellaneous/powered-by-nutrient/): Powered by guide for Nutrient Android SDK with detailed instructions and code examples. [Android PDF SDK security](https://www.nutrient.io/guides/android/faq/sdk-security/): Nutrient has been implemented using the latest and best security practices and is used in security-conscious applications. [Subscription license validation for versions 2.0.0 – 2.1.0](https://www.nutrient.io/guides/android/announcements/subscription-validation/): Update Android SDK to resolve a bug in versions 2.0.0 – 2.1.0 where an expired subscription license caused the application to exit unexpectedly. [Third-party compatibility](https://www.nutrient.io/guides/android/miscellaneous/third-party-compatibility/): System requirements and compatibility information for Nutrient Android SDK including supported versions and dependencies. [Unsupported private APIs](https://www.nutrient.io/guides/android/announcements/unsupported-internal-symbols/): Unsupported private s API documentation for Nutrient Android SDK with methods, properties, and code examples. [Android PDF bookmark management guide](https://www.nutrient.io/guides/android/bookmarks/): Learn how to add, remove, and manage bookmarks in PDF documents on Android using Nutrient for a seamless reading experience. [Android changelog](https://www.nutrient.io/guides/android/changelog/): Latest updates and release notes for Nutrient Android SDK including new features, improvements, and bug fixes. [Document comparison guide for Android users](https://www.nutrient.io/guides/android/compare-documents/): Learn to compare documents on Android efficiently by changing stroke colors and aligning pages for clear visual differences. [Contributing to Nutrient projects](https://www.nutrient.io/guides/android/miscellaneous/contributing/): Contributing to projects guide for Nutrient Android SDK with detailed instructions and code examples. [HTML to PDF Android library — Accurate and reliable](https://www.nutrient.io/guides/android/generating-pdfs/generating-pdf-from-html/): Learn how to effortlessly convert HTML files to PDF on Android. Follow our simple guide for quick and effective results. [Convert images to PDFs on Android](https://www.nutrient.io/guides/android/conversion/image-to-pdf/): Learn to convert images to PDFs on Android using the PdfProcessor API with minimal code for seamless file management. [Android image to text conversion library](https://www.nutrient.io/guides/android/conversion/image-to-text/): Nutrient Android SDK supports extracting textual information from a scanned PDF. To do so, follow the steps below:. [Android PDF converter library — Accurate and reliable](https://www.nutrient.io/guides/android/conversion/): Unlock the secrets of efficient PDF conversion on Android. Learn expert tips and tricks for maximizing your productivity. Click now! [Android convert Office [docx, xlsx, pptx] to PDF](https://www.nutrient.io/guides/android/features/office-conversion/): Nutrient Android SDK can work with a Document Engine instance to provide conversion of Office documents to PDF files in your Android application. [Android PDF to image library: Convert PDF to JPG, PNG](https://www.nutrient.io/guides/android/conversion/pdf-to-image/): Android PDF to image library: Convert PDF to JPG, PNG | guide for Nutrient Android SDK with detailed instructions and code examples. [Convert scanned PDFs with advanced OCR capabilities](https://www.nutrient.io/guides/android/conversion/scan-to-searchable-pdf/): Unlock text in scanned PDFs on Android with advanced OCR. Enhance accessibility and search functionality easily. [Explore top PDF SDK demos for Android apps](https://www.nutrient.io/guides/android/demo/): Discover Nutrient's top PDF SDK demos for Android apps, showcasing features like PDF viewing, annotation, OCR, and Microsoft Office conversion to enhance your app development. [Create password-protected PDF on Android](https://www.nutrient.io/guides/android/document-security/add-a-password/): A PDF document can be encrypted to protect its contents from unauthorized access. for Nutrient Android SDK. [Add watermarks to PDF documents on Android](https://www.nutrient.io/guides/android/document-security/add-a-watermark/): Learn how to add custom watermarks to PDFs on Android to enhance security and discourage unauthorized sharing of your content. [Decrypt PDF on Android with AES](https://www.nutrient.io/guides/android/document-security/decrypt-aes-files/): Nutrient supports fast, in-memory AES-256 decryption using the AesDataProvider class. Unlike other solutions, the PDF is never fully decrypted. [Encrypt PDF on Android with AES](https://www.nutrient.io/guides/android/security/aesdataprovider/): The AesDataProvider we ship with our Catalog example app lets you efficiently read and write encrypted PDF documents in your app. [Android PDF SDK security: Secure documents on Android](https://www.nutrient.io/guides/android/document-security/): Unlock the secrets of top-notch document security on Android! Explore expert tips and best practices for safeguarding your files. Click now! [Encrypt PDF file on Android library](https://www.nutrient.io/guides/android/security/introduction-to-encryption/): Encryption is the process in which some data is converted to an unintelligible format so that only authorized parties can access the original data. [Prevent sharing of PDF files on Android](https://www.nutrient.io/guides/android/document-security/prevent-sharing/): Nutrient Android SDK enables you to customize the document sharing experience. To prevent your end users from sharing documents. [Create PDFs with restricted permissions](https://www.nutrient.io/guides/android/features/document-permissions/): Learn how to set and manage document permissions for PDFs on Android with our comprehensive guide. [Download Android PDF library](https://www.nutrient.io/guides/android/downloads/): This page lists the latest version of Nutrient available for manual integrations of our Android PDF library. [Add and insert images into PDFs on Android](https://www.nutrient.io/guides/android/editor/add-image/): Learn how to enhance your Android applications by adding images to PDF documents using Nutrient Android SDK’s Processor and Document Editor APIs. This guide provides step-by-step instructions to seamlessly integrate photos, graphics, or scanned images into your PDFs. [Add page to PDF file on Android](https://www.nutrient.io/guides/android/editor/add-page/): With Nutrient, there are four ways to add a page to a document:. [Attach file to PDF on Android](https://www.nutrient.io/guides/android/features/embedded-files/): PDF 1.4 added support for embedded files, allowing objects to be embedded into any PDF — this includes deep nesting (e.g. [Customizing PDF editing permissions on Android](https://www.nutrient.io/guides/android/editor/document-permissions/): Configure a PDF document’s editing permissions using the DocumentSaveOptions object, setting flags such as DocumentPermissions.ANNOTATIONS_AND_FORMS, then call PdfDocument#save() on Android. [Edit PDF text on Android: Edit text, font, size, more](https://www.nutrient.io/guides/android/editor/edit-text/): Starting with Nutrient Android SDK 8.7, you can edit text directly in PDF documents using the built-in user interface. You can also change text color. [Merge PDF files Android library — Combine multiple PDFs](https://www.nutrient.io/guides/android/editor/merge-or-combine/): Nutrient Android SDK lets you merge or combine multiple documents using the Processor API or the Document Editor API. With this functionality. [Change document title in PDF metadata on Android](https://www.nutrient.io/guides/android/customizing-the-interface/changing-the-document-title/): By default, Nutrient parses documents and extracts the PDF title from the PDF metadata. If there is no metadata or the PDF name equals Untitled. [Edit PDF metadata on Android](https://www.nutrient.io/guides/android/customizing-pdf-pages/customizing-document-metadata/): Use DocumentPdfMetadata and DocumentXmpMetadata to retrieve or modify PDF properties such as Author, CreationDate, and custom key-value pairs, then persist changes with PdfDocument#saveIfModified() on Android. [Android PDF editor library — Merge, rotate, crop](https://www.nutrient.io/guides/android/features/document-processing/): Nutrient Android SDK is a library for editing PDF documents directly in an app. It offers developers a robust API for programmatic editing. [Crop PDF Android library](https://www.nutrient.io/guides/android/editor/page-manipulation/crop/): Nutrient Android SDK lets you crop the pages of a document using the Processor API. To do this, load your document and then configure the parameters. [Move or copy PDF pages on Android](https://www.nutrient.io/guides/android/editor/page-manipulation/move-or-copy/): Nutrient Android SDK lets you move and copy the pages of a document using the Processor API or the Document Editor API. [Remove pages from PDF file on Android](https://www.nutrient.io/guides/android/editor/page-manipulation/remove/): Nutrient Android SDK lets you remove the pages of a document using the Processor API or the Document Editor API. [Rotate PDF Android library](https://www.nutrient.io/guides/android/editor/page-manipulation/rotate/): Nutrient Android SDK lets you rotate the pages of a document using the Processor API or the Document Editor API. [Resize PDF on Android](https://www.nutrient.io/guides/android/editor/page-manipulation/scale-or-resize/): Nutrient Android SDK’s PdfProcessor combined with a PdfProcessorTask can be used to scale pages of a document:. [Split PDF Android library](https://www.nutrient.io/guides/android/editor/split/): Nutrient Android SDK lets you split a document into multiple documents using the Processor API or the Document Editor API. [Android PDF Viewer analytics](https://www.nutrient.io/guides/android/features/analytics/): The Nutrient Analytics API lets you easily collect usage data based on a user’s activity taking place in Nutrient components. [Android PDF annotation events and notifications](https://www.nutrient.io/guides/android/events-and-notifications/annotation/): In Nutrient Android SDK, annotation events are accessible through the PdfFragment. There, you can find the following listeners for subscription:. [Android PDF Viewer analytics events](https://www.nutrient.io/guides/android/events-and-notifications/events/): Every event has a name and a Bundle of additional parameters. You can find the complete list of all Nutrient events and parameters in Analytics.Event. [PDF form events and notifications in Android](https://www.nutrient.io/guides/android/events-and-notifications/forms/): Explore how to handle PDF form events using the Android SDK's FormManager and PdfFragment for effective form management. [Android PDF events and notifications](https://www.nutrient.io/guides/android/events-and-notifications/): Unlock the secrets of Android events and notifications with our comprehensive guide. Elevate your knowledge and optimize your app's performance today! [Android PDF text selection events and notifications](https://www.nutrient.io/guides/android/events-and-notifications/text-selection/): To learn how to programmatically enter or leave text selection mode and how to customize our text selection UI, have as look at our full text selection guide. [Android PDF viewer events and notifications](https://www.nutrient.io/guides/android/miscellaneous/document-listeners/): Nutrient provides the DocumentListener interface, which lets you hook into interesting document events like document loading, page changes. [Android PDF extraction library — Text, images, more](https://www.nutrient.io/guides/android/extraction/): Unlock the power of Android content extraction with our comprehensive guide. Learn how to streamline processes and boost productivity today! [Extract metadata from PDF on Android](https://www.nutrient.io/guides/android/extraction/metadata/): Nutrient comes with DocumentPdfMetadata and DocumentXmpMetadata, which allow you to retrieve or modify a document’s metadata. [Extract pages from PDF on Android](https://www.nutrient.io/guides/android/extraction/page-extraction/): PdfProcessor can export pages from one document into another document. You can choose to extract a single page, a range of pages. [Easy PDF parsing for Android applications](https://www.nutrient.io/guides/android/extraction/parse-content/): Learn how to simplify PDF text extraction on Android to enhance your app's capabilities with easy-to-use APIs. [Extract selected text from PDF on Android](https://www.nutrient.io/guides/android/extraction/selected-text/): Add custom functionality when a user selects text by implementing TextSelectionManager.OnTextSelectionChangeListener, or programmatically select and retrieve text content by using PdfFragment#enterTextSelectionMode on a specified character range on Android. [Extract text from pdfs with android library](https://www.nutrient.io/guides/android/features/text-extraction/): Learn how to simplify PDF text extraction on Android using our tools and guides. [Extract text position from PDF on Android](https://www.nutrient.io/guides/android/extraction/text-position/): Nutrient Android SDK’s PdfDocument class can be used to get the position of text on a page. [Add signature fields to PDF forms on Android](https://www.nutrient.io/guides/android/forms/create-edit-and-remove/add-signature-field/): Learn how to create and add signature fields to your PDF forms on Android with our easy guide and configuration builders. [Create fillable PDF form on Android](https://www.nutrient.io/guides/android/forms/form-creation/): Programmatically create fillable PDF form fields, including signature fields, radio buttons, and push buttons, using the FormProvider#addFormElementToPage method on Android. [Disable PDF form editing on Android](https://www.nutrient.io/guides/android/forms/create-edit-and-remove/disable-editing/): You can disable the modification of a specific form field by using setFlags with the READONLY flag, like so: for Nutrient Android SDK. [PDF form field flags on Android](https://www.nutrient.io/guides/android/forms/create-edit-and-remove/form-field-flags/): Form elements are based on annotations, so form field flags work the same way as annotations do. See our annotation flags guide to learn more. [Extract PDF form data on Android](https://www.nutrient.io/guides/android/forms/extract-form-data/): Learn how to extract data from PDF form fields on Android using XFDF and Instant JSON formats with easy-to-follow code examples. [Attach a file to PDF form field on Android](https://www.nutrient.io/guides/android/forms/fill-form-fields/attach-a-file/): Attach a file to PDF form field on Android | guide for Nutrient Android SDK with detailed instructions and code examples. [Detect user clicks in PDF form elements on Android](https://www.nutrient.io/guides/android/forms/fill-form-fields/detect-clicks/): With Nutrient, it’s possible to detect when a form element is clicked or selected for editing. [User input in PDF forms on Android](https://www.nutrient.io/guides/android/forms/fill-form-fields/detect-user-input/): Learn how to detect user input in PDF form fields on Android with our comprehensive guide to FormManager and event listeners. [Fill PDF form fields programmatically on Android](https://www.nutrient.io/guides/android/forms/form-filling/): Nutrient Android SDK fully supports the AcroForm standard and can view and fill forms inside the PdfFragment/PdfActivity. [Undo and redo in PDF form field on Android](https://www.nutrient.io/guides/android/forms/fill-form-fields/undo-and-redo/): Form elements are based on annotations, so undoing and redoing changes to forms works the same way as with annotations. See our Undo. [Android PDF viewer with form fill support](https://www.nutrient.io/guides/android/forms/fill-form-fields/using-the-ui/): Filling form fields using the UI provided by Nutrient Android SDK is extremely simple and intuitive. [Flatten PDF form fields on Android](https://www.nutrient.io/guides/android/forms/flatten/): Nutrient allows form flattening using the PdfProcessor class. [Android PDF form library — Create, view, fill](https://www.nutrient.io/guides/android/forms/): Discover the ultimate guide to enhancing forms on Android apps. Learn how to streamline your workflow and boost user engagement. Click now! [Store PDF form data on Android easily](https://www.nutrient.io/guides/android/forms/introduction-to-forms/data-formats/): Learn how to store PDF form data on Android using widget annotations for interactive forms like checkboxes and text fields. [Supported PDF form fields on Android](https://www.nutrient.io/guides/android/forms/introduction-to-forms/): Nutrient supports all form types specified by the PDF specification. [Explore the advantages of PDF forms](https://www.nutrient.io/guides/android/forms/introduction-to-forms/what-are-forms/): Discover how PDF forms function, their benefits, and how users can interact with them through fields, buttons, and customizable actions. [PDF form validation using JavaScript on Android](https://www.nutrient.io/guides/android/forms/javascript-validation/): Learn how to validate and format PDF forms on Android using JavaScript with PSPDFKit's powerful features and supported APIs. [PDF form actions for Android apps](https://www.nutrient.io/guides/android/forms/pdf-actions-support/): Discover various PDF form actions for Android, including GoTo, URI, and JavaScript actions to enhance user interaction. [Auto save PDF forms on Android](https://www.nutrient.io/guides/android/forms/submit-or-save/auto-save/): Learn how to automatically save PDF form changes on Android using Nutrient SDK. Control auto-saving features with simple configuration settings in Kotlin or Java. [Embed data into PDF form on Android](https://www.nutrient.io/guides/android/forms/submit-or-save/embed-data-into-pdf/): Embed form data into PDF files on Android using Nutrient Android SDK. Learn to configure saving options for persistent data retention in your documents. [Submit and save PDF form to custom destination on Android](https://www.nutrient.io/guides/android/forms/submit-or-save/to-custom/): Forms can be submitted to a custom destination using SubmitFormAction. When creating the action instance, you can provide the form fields, the URI. [Submit and save PDF form to Document Engine on Android](https://www.nutrient.io/guides/android/forms/submit-or-save/to-document-engine/): Forms aren’t yet supported by Nutrient Instant on Android. Get in touch and let us know if you’re interested in this feature. [Submit and save PDF form to external destination on Android](https://www.nutrient.io/guides/android/forms/form-submission/): Form submission is an action performed on a form element in a PDF document that will let you save forms to an external destination. [Reducing PDF size](https://www.nutrient.io/guides/android/generating-pdfs/reducing-pdf-size/): Control PDF size in your Android apps. Learn how Nutrient SDK’s document rewriting cleans unreferenced objects to deliver optimized, smaller PDF files. [Sync PDF annotations on Android seamlessly](https://www.nutrient.io/guides/android/pspdfkit-instant/syncing/): Discover efficient methods for syncing PDF annotations on Android devices, ensuring real-time collaboration and energy savings. [JWT Authentication for Instant Synchronization](https://www.nutrient.io/guides/android/instant-synchronization/authentication/): Learn how to authenticate your Android app using JSON Web Tokens for instant synchronization with the Document Engine. [Add comments to PDF on Android](https://www.nutrient.io/guides/android/comments/introduction-to-instant-comments/): Nutrient Android SDK provides a user interface (UI) for viewing, adding, and deleting comments in PDF documents. The component, Instant Comments. [Instant sync and document state on Android](https://www.nutrient.io/guides/android/pspdfkit-instant/instant-document-state/): Over the course of its lifetime, any InstantPdfDocument will go through several states. This article covers those states and their transitions in detail. [Getting started with real-time collaboration on Android](https://www.nutrient.io/guides/android/pspdfkit-instant/getting-started/): Quick start guide for integrating Nutrient Android SDK with installation steps, configuration, and basic implementation. [PDF collaboration library for Android](https://www.nutrient.io/guides/android/instant-synchronization/): Discover the secret to seamless real-time collaboration on Android devices. Learn how instant synchronization can transform your workflow. Read more! [Create PDF annotation layers on android](https://www.nutrient.io/guides/android/pspdfkit-instant/instant-layers/): Learn to create and manage instant PDF annotation layers on Android for effective review workflows. [Offline PDF annotations with automatic sync](https://www.nutrient.io/guides/android/pspdfkit-instant/offline-support/): Create and edit PDF annotations offline, with auto-sync on connection. Perfect for unreliable connections and seamless collaboration. [Instant usage on Android](https://www.nutrient.io/guides/android/pspdfkit-instant/usage/): This guide will give you an overview of the Instant API and how to use it for displaying documents from the server. for Nutrient Android SDK. [Guides: PDF library for Android](https://www.nutrient.io/guides/android/intro/): Explore Nutrient Android SDK developer guides to integrate PDF viewing, annotating, and editing into your Android applications using Kotlin and Java APIs [Jetpack Compose toolbar customization guide](https://www.nutrient.io/guides/android/jetpack-compose/components/main-toolbar/): Learn to customize your Jetpack Compose toolbar for better flexibility and integration with DocumentView in Android apps. [Jetpack Compose PDF library: Fast and easy integration](https://www.nutrient.io/guides/android/jetpack-compose/): Nutrient Android SDK is a library for viewing, annotating, editing, and creating PDFs. It offers developers dedicated APIs. [Interact with DocumentView in Android Jetpack Compose](https://www.nutrient.io/guides/android/jetpack-compose/interactions/): Nutrient provides two ways to interact with DocumentView in your Android Jetpack Compose application:. [Jetpack Compose PDF viewer: Read and display PDFs](https://www.nutrient.io/guides/android/jetpack-compose/viewer/): Since Nutrient Android SDK version 8, our SDK exposes Jetpack Compose-specific APIs out of the box, enabling PDF viewing and editing. [Convert Instant JSON to XFDF on Android](https://www.nutrient.io/guides/android/json/convert-to-xfdf/): Learn how to convert Instant JSON to XFDF on Android using PSPDFKit APIs for seamless interoperability between PDF and JSON data. [Instant JSON: Efficient PDF Annotation Management](https://www.nutrient.io/guides/android/json/how-it-works/): Learn how Instant JSON enhances PDF annotation management by minimizing data transfer while ensuring updates and maintaining document integrity. [Instant JSON for PDF annotations and bookmarks](https://www.nutrient.io/guides/android/json/): Discover how Instant JSON synchronizes annotations and bookmarks across devices, ensuring easy interoperability and efficiency. [Instant JSON actions and types](https://www.nutrient.io/guides/android/json/schema/actions/): Explore various action types in Instant JSON including GoToAction, LaunchAction, and more for effective annotation implementation. [Instant JSON schema for PDF annotations](https://www.nutrient.io/guides/android/json/schema/annotations/): Learn how to format JSON for various PDF annotations. Explore examples, types, and best practices in this comprehensive guide. [Instant JSON schema for efficient PDF bookmarks](https://www.nutrient.io/guides/android/json/schema/bookmarks/): Learn to create and manage bookmarks in Instant JSON for improved PDF navigation. [Instant JSON schema for PDF comments](https://www.nutrient.io/guides/android/json/schema/comments/): Learn to use Instant JSON with comments for real-time collaboration in documents, enhancing communication and efficiency. [Instant JSON attachments schema overview](https://www.nutrient.io/guides/android/json/schema/file-attachments/): Learn how to sync annotation attachments in Instant JSON using SHA-256 hashes and Base64 encoding for seamless data management. [Instant JSON schema for PDF form values](https://www.nutrient.io/guides/android/json/schema/form-field-values/): Discover how to sync PDF form field values across devices using the Instant JSON schema and best practices for implementation. [JSON schema for PDF form fields](https://www.nutrient.io/guides/android/json/schema/form-fields/): Learn to sync and manage PDF form fields with Instant JSON. Explore field types, event triggers, and schema for efficient form development. [Nutrient Android SDK knowledge base](https://www.nutrient.io/guides/android/kb/): Our knowledge base shows quick solutions to many common customization questions: for Nutrient Android SDK. [How to allow cleartext traffic](https://www.nutrient.io/guides/android/knowledge-base/allow-clear-text-traffic/): Learn how to configure your server for cleartext traffic on Android 9 and resolve connection errors with Document Engine's Instant feature. [Jetpack Compose and DocumentView Q&A](https://www.nutrient.io/guides/android/knowledge-base/compose-qna/): This guide answers some questions you might face when using Jetpack Compose with Nutrient Android SDK. [Implementing custom print functionality in Android](https://www.nutrient.io/guides/android/knowledge-base/custom-print-functionality/): Nutrient Android SDK provides built-in printing capabilities, but sometimes you may need to implement custom print functionality. [How to delete pages from a PDF document](https://www.nutrient.io/guides/android/knowledge-base/deleting-pages-from-a-pdf/): You can delete pages of a PDF document using the PdfProcessor in three steps: for Nutrient Android SDK. [Disable share and print options in Android app](https://www.nutrient.io/guides/android/knowledge-base/disable-share-documentinfo-print/): Learn how to disable share, document info, and print features in your Android app for a cleaner user interface. [How to disable annotation rotation](https://www.nutrient.io/guides/android/knowledge-base/disabling-annotation-rotation/): Disable the annotation rotation UI in your PDF application by calling `annotationRotationEnabled(false)` in your configuration builder. Ensure a seamless user experience in your app. [Handle touch scrolling in Compose DocumentView](https://www.nutrient.io/guides/android/knowledge-base/document-view-inside-pager-scroll-handling/): Learn how to enable vertical and horizontal scrolling in a Compose DocumentView within a scrollable container effectively. [Dynamic layout changes for Android screens](https://www.nutrient.io/guides/android/knowledge-base/dynamic-page-layout-when-changing-orientation/): Learn how to adjust your Android app's page layout dynamically when changing screen orientations for optimal viewing. [How to retrieve all signatures in a signed document](https://www.nutrient.io/guides/android/knowledge-base/getting-all-digital-signatures/): This guide outlines how to retrieve signatures in a signed document. for Nutrient Android SDK. [How to get the location of an ink signature for digital signing](https://www.nutrient.io/guides/android/knowledge-base/getting-signature-location/): If you want to digitally sign a document that doesn’t yet contain a SignatureFormField, you can add one at the location of an ink signature. [How to fix \"install failed insufficient storage\" errors](https://www.nutrient.io/guides/android/knowledge-base/install-failed-insufficient-storage/): It’s possible that you’ll encounter the following error when trying to run your app on your Android emulator:. [Intercepting touch events passed to Nutrient](https://www.nutrient.io/guides/android/knowledge-base/intercepting-touch-events/): Learn to intercept touch events in Nutrient by wrapping `PdfFragment` in a custom `ViewGroup`. Detect multitouch and enhance event handling effectively. [Digital signatures without a signature field](https://www.nutrient.io/guides/android/knowledge-base/invisible-signature/): Discover how to create invisible digital signatures in Android without a visible signature form field. [How to invoke the search UI in the PdfActivity programmatically](https://www.nutrient.io/guides/android/knowledge-base/invoke-search-programmatically/): If you want to show the search view and/or start search in the search view, you can use the following method in PdfActivity. for Nutrient Android SDK. [How to invoke the PdfActivity share action programmatically](https://www.nutrient.io/guides/android/knowledge-base/invoking-share-action-programmatically/): Learn to programmatically invoke the PdfActivity share action by removing it from the toolbar and calling the appropriate method in your custom activity. [How to make form elements read-only](https://www.nutrient.io/guides/android/knowledge-base/making-form-elements-read-only/): If you want to make certain form elements in your document read-only, you can set the AnnotationFlags.LOCKEDCONTENTS flag on the associated WidgetAnnotation. [Overriding hyperlink behavior in Android](https://www.nutrient.io/guides/android/knowledge-base/override-hyperlink-behavior/): This guide addresses a common query of how to override hyperlink behavior in Android, especially for long-press actions. [How to remove a button from toolbars](https://www.nutrient.io/guides/android/knowledge-base/remove-tool-variant-from-toolbar/): Learn to remove the ink highlighter button from the annotation creation toolbar in Nutrient. Customize your toolbars for a streamlined user experience. [Handling runtime permissions in Cordova](https://www.nutrient.io/guides/android/knowledge-base/runtime-permissions-cordova/): To read and write files on the external storage, your app must acquire READEXTERNALSTORAGE and WRITEEXTERNALSTORAGE permissions. [Save signed PDFs directly to a remote server on Android](https://www.nutrient.io/guides/android/knowledge-base/save-signed-pdfs-to-remote-server/): Learn how to capture and flatten PDF signatures in your Android app, store them securely in cache, and upload the signed PDF to a server — without saving files locally. [Change overflow button color in Android toolbar](https://www.nutrient.io/guides/android/knowledge-base/styling-overflow-button/): Learn how to change the color of the overflow button in your Android toolbar to match your app's theme with easy code snippets. [How to use Nutrient Android SDK with dynamic delivery](https://www.nutrient.io/guides/android/knowledge-base/using-pspdfkit-with-dynamic-feature-modules/): Learn to implement Nutrient Android SDK with dynamic delivery to efficiently manage on-demand features, enhancing user experience and app performance. [Kotlin PDF library for Android: View, edit, sign](https://www.nutrient.io/guides/android/kotlin/): Discover Nutrient for Kotlin — A powerful library for viewing, annotating, and editing PDFs. Integrate seamless PDF functionality into your Android apps today! [Configure measurements in a PDF on Android](https://www.nutrient.io/guides/android/measurements/configure-measurements/): Measure distance and area in a PDF using Nutrient Android SDK starting with version 8.4. To measure distance and area in your app. [Android PDF measurements library: Distance and area](https://www.nutrient.io/guides/android/measurements/): Learn the expert-recommended Android measurements for pixel perfection. Elevate your UI design with our comprehensive guide. Click to explore now! [Measure area in a PDF on Android](https://www.nutrient.io/guides/android/measurements/measure-area/): Measure areas in a PDF on Android using Nutrient Android SDK. Learn to measure polygons, ellipses, and rectangles with simple steps and built-in tools. [Measure distance in PDF on Android](https://www.nutrient.io/guides/android/measurements/measure-distance/): Learn to measure distances in PDFs on Android using Nutrient Android SDK. Discover methods for measuring between two points or multiple connected points effectively. [Nutrient 10.3 migration guide](https://www.nutrient.io/guides/android/migration-guides/10-3-migration-guide/): Lists important public API changes for Nutrient Android SDK 10.3. [Nutrient 10.4 migration guide](https://www.nutrient.io/guides/android/migration-guides/10-4-migration-guide/): Lists important public API changes for Nutrient Android SDK 10.4. [Nutrient 10.5 migration guide](https://www.nutrient.io/guides/android/migration-guides/10-5-migration-guide/): Lists important public API changes for Nutrient Android SDK 10.5. [Nutrient 2024.8 migration guide](https://www.nutrient.io/guides/android/migration-guides/2024-8-migration-guide/): Lists important public API changes for Nutrient Android SDK 2024.8. [Nutrient 2024.9 migration guide](https://www.nutrient.io/guides/android/migration-guides/2024-9-migration-guide/): Lists important public API changes for Nutrient Android SDK 2024.9. [Migrate to electronic signatures smoothly](https://www.nutrient.io/guides/android/migration-guides/migrating-to-electronic-signatures/): Learn how to migrate to electronic signatures with an improved UI and robust compatibility for a smoother signing experience. [Nutrient 10 (PSPDFKit 2025.1) rebrand migration guide](https://www.nutrient.io/guides/android/migration-guides/nutrient-10-migration-guide/): Lists important public API changes for Nutrient Android SDK 10 (2025.1). [Nutrient 2.1 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-2-1-migration-guide/): Migration guide for Nutrient Android SDK version 2.1 with breaking changes, API updates, and upgrade instructions. [Nutrient 2024.1 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-2024-1-migration-guide/): Migration guide for Nutrient Android SDK version 2024.1 with breaking changes, API updates, and upgrade instructions. [Nutrient 2024.2 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-2024-2-migration-guide/): Discover the latest API changes in Nutrient Android SDK 2024.2, including deprecations, new initialization methods, and updates to Jetpack Compose package. [Nutrient 2024.3 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-2024-3-migration-guide/): Discover the key breaking API changes in Nutrient Android SDK 2024.3, including updated interfaces and deprecated view IDs for smoother transitions. [Nutrient 2024.4 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-2024-4-migration-guide/): Discover the breaking API changes in Nutrient Android SDK 2024.4, including the removal of legacy digital signature APIs and new migration guidance. [Nutrient 2024.6 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-2024-6-migration-guide/): Lists important public API changes for Nutrient Android SDK 2024.6. [Nutrient 2024.7 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-2024-7-migration-guide/): Lists important public API changes for Nutrient Android SDK 2024.7. [Nutrient 3.1 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-3-1-migration-guide/): Learn how to smoothly transition from Nutrient 3.0 to 3.1 on Android, including changes to theming and configuration classes for enhanced development. [Nutrient 3 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-3-migration-guide/): Follow this guide to smoothly transition from version 2.x to 3.0 of the Nutrient Android SDK, featuring key updates and new initialization processes. [Nutrient 4.4 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-4-4-migration-guide/): Migration guide for Nutrient Android SDK version 4.4 with breaking changes, API updates, and upgrade instructions. [Nutrient Android SDK 4 Migration Guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-4-migration-guide/): Explore the key changes and updates in the Nutrient Android SDK 4 migration guide, including new features and breaking changes. [Nutrient 5.1 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-5-1-migration-guide/): Migration guide for Nutrient Android SDK version 5.1 with breaking changes, API updates, and upgrade instructions. [Nutrient 5.2 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-5-2-migration-guide/): Discover essential guidelines for migrating from Nutrient Android SDK 5.1 to 5.2, including updated dependencies and notable changes. [Nutrient 5.3 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-5-3-migration-guide/): Discover essential guidelines for upgrading from Nutrient Android SDK 5.2 to 5.3, including updated dependencies and notable changes in ink drawing behavior. [Nutrient 5.5 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-5-5-migration-guide/): Discover essential guidelines for upgrading from Nutrient Android SDK 5.4 to 5.5, including updated dependencies and library unification. [Nutrient 5 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-5-migration-guide/): Migration guide for Nutrient Android SDK version 5 with breaking changes, API updates, and upgrade instructions. [Nutrient 6.1 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-6-1-migration-guide/): Learn essential guidelines for migrating to Nutrient Android SDK 6.1, including updated dependencies, deprecated methods, and build version changes. [Nutrient 6.2 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-6-2-migration-guide/): Discover essential guidelines for migrating to Nutrient Android SDK 6.2, including updated build versions, deprecations, and renamed APIs. [Nutrient 6.3 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-6-3-migration-guide/): Discover the latest Nutrient 6.3 updates, including build version changes, updated dependencies, and improved MenuItem ID organization for Android. [Nutrient 6.4 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-6-4-migration-guide/): Discover the latest Nutrient Android SDK 6.4, featuring updated build versions, API changes, and crucial migration tips for developers. [Nutrient 6.6 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-6-6-migration-guide/): Discover essential steps for migrating to Nutrient Android SDK 6.6, including updates on build systems and removal of deprecated dependencies. [Nutrient 6 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-6-migration-guide/): Learn about the API changes and migration steps for Nutrient Android SDK 6.0, including updates to annotation, bookmark, and form field methods. [Nutrient 7 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-7-migration-guide/): Migration guide for Nutrient Android SDK version 7 with breaking changes, API updates, and upgrade instructions. [Nutrient 8.6 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-8-6-migration-guide/): Migration guide for Nutrient Android SDK version 8.6 with breaking changes, API updates, and upgrade instructions. [Nutrient 8.7 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-8-7-migration-guide/): Migration guide for Nutrient Android SDK version 8.7 with breaking changes, API updates, and upgrade instructions. [Nutrient 8.8 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-8-8-migration-guide/): Discover breaking API changes in Nutrient Android SDK 8.8, including updates to measurement tools and configurations for enhanced functionality. [Nutrient 8.9 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-8-9-migration-guide/): Discover the key API changes in Nutrient Android SDK 8.9, including the new SigningManager for advanced digital signatures and simplified document signing. [PSPDFKit 8 migration guide](https://www.nutrient.io/guides/android/migration-guides/pspdfkit-8-migration-guide/): Migration guide for Nutrient Android SDK version 8 with breaking changes, API updates, and upgrade instructions. [Upgrading](https://www.nutrient.io/guides/android/advanced-integration/upgrading/): Comprehensive upgrade guide for Nutrient Android SDK covering version migrations, breaking changes, and new features. [Android OCR SDK](https://www.nutrient.io/guides/android/ocr/getting-started/): Use Nutrient's mobile OCR SDK to extract text from PDFs on Android. Unlock previously inaccessible content, enabling text selection, annotation, search, and accessibility. [OCR languages for Android applications](https://www.nutrient.io/guides/android/ocr/language-support/): Explore the extensive list of languages supported by our Android OCR library for accurate text recognition. [Enhance PDFs with advanced Android OCR features](https://www.nutrient.io/guides/android/ocr/overview/): Try our advanced Android OCR library to enhance scanned PDFs. Unlock text selection, extraction, and search capabilities easily. [How to OCR a PDF on Android](https://www.nutrient.io/guides/android/ocr/usage/): How to OCR a PDF on Android | guide for Nutrient Android SDK with detailed instructions and code examples. [Open PDF from custom data provider on Android](https://www.nutrient.io/guides/android/features/data-providers/): In addition to loading documents using a URI, Nutrient can load documents using a DataProvider. A data provider defines a common interface. [Open PDF file from Document Engine on Android](https://www.nutrient.io/guides/android/open-a-document/from-document-engine/): Document Engine is an optional backend for Nutrient Android SDK that powers our Instant synchronization component for syncing annotations across users. [Open PDF from in-memory data on Android](https://www.nutrient.io/guides/android/open-a-document/from-in-memory-data/): Learn to open PDFs from in-memory data on Android while avoiding memory issues and ensuring data persistence across process recreations using Nutrient Android SDK. [Open a local PDF file on Android app](https://www.nutrient.io/guides/android/open-a-document/from-local-storage/): Learn to open local PDF files in your Android app using Nutrient Android SDK. Access files without hardcoding paths, ensuring compatibility across devices. [Open PDF from URL on Android](https://www.nutrient.io/guides/android/miscellaneous/document-downloads/): Open PDF documents from any URL on Android using Nutrient Android SDK. Learn to implement different methods for downloading and managing remote files efficiently. [Android library — Open PDF file on Android](https://www.nutrient.io/guides/android/open-a-document/): Discover the ultimate guide to opening documents on Android. Boost your skills with expert tips and tricks. Get started now! [Open password-protected PDF on Android](https://www.nutrient.io/guides/android/security/secured-documents/): PDF documents can be secured with a password or with other security methods. Nutrient can handle protected and secured documents and write annotations. [Generate blank PDF on Android](https://www.nutrient.io/guides/android/features/document-creation/): Nutrient can create new blank PDF documents from scratch by using PdfProcessor. [Generate PDF from HTML on Android](https://www.nutrient.io/guides/android/pdf-generation/from-html/): Generate PDF from HTML on Android | guide for Nutrient Android SDK with detailed instructions and code examples. [Create PDFs from images on Android](https://www.nutrient.io/guides/android/pdf-generation/from-images/): Learn how to convert images to PDFs on Android with PdfProcessor API using minimal code for fast PDF generation. [Generate PDF from template on Android](https://www.nutrient.io/guides/android/pdf-generation/from-template/): Nutrient Android SDK enables you to create a new PDF document from a template. Our SDK ships with a predefined list of page patterns. [Android PDF generator library — Fast and accurate](https://www.nutrient.io/guides/android/pdf-generation/): Unlock the secrets of PDF generation on Android with expert tips and guidance. Enhance your skills and knowledge today. Explore now! [Generate PDF report on Android](https://www.nutrient.io/guides/android/generating-pdfs/generating-pdf-reports/): Create professional PDF reports on Android using Nutrient SDK. Utilize templates, add text and images, and customize your documents offline for business intelligence. [Android generate PDF programmatically](https://www.nutrient.io/guides/android/pdf-generation/programmatically/): Nutrient Android SDK offers several different ways to programmatically create PDF files. Check out the following guides for generating a:. [Generate PDF thumbnails on Android](https://www.nutrient.io/guides/android/pdf-generation/thumbnail-preview/): Learn how to create low-resolution PDF page thumbnails using Android SDK with our step-by-step guide. [Android PDF code samples and guides](https://www.nutrient.io/guides/android/samples/): Discover useful Android code samples for enhancing PDF features in your apps. Learn and implement now! [Changing configuration at runtime](https://www.nutrient.io/guides/android/customizing-the-interface/changing-configuration-at-runtime/): You might want to change the configuration used to display your documents at runtime. This can easily be achieved when using PdfActivity or PdfFragment. [Creating markup annotations from page text](https://www.nutrient.io/guides/android/annotations/text-markup-annotations/): Learn how to create highlight, underline, and strikeout annotations in Nutrient using Kotlin, including retrieving text rectangles from PDF pages. [Retrieving highlighted text](https://www.nutrient.io/guides/android/prebuilt-solutions/common-use-cases/retrieving-highlighted-text/): Discover how to retrieve highlighted text with TextMarkupAnnotation in Nutrient. Learn the implementation in Kotlin and Java for efficient text markup managemen [Configure sharing options](https://www.nutrient.io/guides/android/miscellaneous/document-sharing/): Nutrient lets you securely share PDF documents with other apps via DocumentSharingManager, which provides several static methods for that purpose. [Android PDF library example projects](https://www.nutrient.io/guides/android/prebuilt-solutions/example-projects/): Interactive examples demonstrating Nutrient Android SDK features with complete source code and implementation details. [Android PDF viewer with redaction](https://www.nutrient.io/guides/android/redaction/built-in-ui/): In addition to being able to create redactions programmatically, you can create and customize redactions via the UI Nutrient provides. [Android PDF redaction library: Secure and permanent](https://www.nutrient.io/guides/android/redaction/): Unlock the power of redaction in Android with our expert guide. Learn how to safeguard sensitive information effectively. Click to discover more! [PDF redaction guide for Android users](https://www.nutrient.io/guides/android/redaction/introduction-to-redaction/): Learn how to effectively redact sensitive content in PDFs on Android. Ensure privacy and compliance with GDPR and HIPAA. [Redact PDFs programmatically on Android](https://www.nutrient.io/guides/android/features/redaction/): Learn to programmatically redact PDFs on Android using Nutrient Android SDK. Customize redaction appearance and apply overlays for effective document protection. [RegEx PDF redaction on Android](https://www.nutrient.io/guides/android/redaction/regex-patterns/): Redact URLs in PDF documents on Android using Nutrient Android SDK. Learn to create regex patterns and implement text extraction and redaction effectively. [Search and redact PDF on Android](https://www.nutrient.io/guides/android/redaction/search-and-redact/): Nutrient Android SDK enables you to search and redact text in a PDF document. In this guide, you’ll see how to redact a search term in a document. [Nutrient Android SDK 10.10 release notes](https://www.nutrient.io/guides/android/releases/10-10/): Latest updates and release notes for Nutrient Android SDK including new features, improvements, and bug fixes. [Nutrient Android SDK 10.6 release notes](https://www.nutrient.io/guides/android/releases/10-6/): Latest updates and release notes for Nutrient Android SDK including new features, improvements, and bug fixes. [Nutrient Android SDK 10.7 release notes](https://www.nutrient.io/guides/android/releases/10-7/): Latest updates and release notes for Nutrient Android SDK including new features, improvements, and bug fixes. [Nutrient Android SDK 10.8 release notes](https://www.nutrient.io/guides/android/releases/10-8/): Latest updates and release notes for Nutrient Android SDK including new features, improvements, and bug fixes. [Nutrient Android SDK 10.9 release notes](https://www.nutrient.io/guides/android/releases/10-9/): Latest updates and release notes for Nutrient Android SDK including new features, improvements, and bug fixes. [Add annotations to images in Kotlin for Android](https://www.nutrient.io/guides/android/samples/add-annotations-to-images-kotlin/): Learn to load image files for PDF annotation using Kotlin with our guide. Explore additional resources and examples for Android development. [Add digital signature to PDF in Kotlin for Android](https://www.nutrient.io/guides/android/samples/add-digital-signatures-to-pdf-kotlin/): Learn how to register a digital certificate for signing PDFs in Android. Explore our guides on digital signatures and generating self-signed certificates. [Add file to PDF in Kotlin for Android](https://www.nutrient.io/guides/android/samples/add-file-annotation-to-pdf-kotlin/): Learn to programmatically embed files in PDF documents with annotations. Explore our guide for resources on creating PDF annotations in Android. [Add signature to PDF in Kotlin for Android](https://www.nutrient.io/guides/android/samples/add-signature-to-pdf-kotlin/): Learn to digitally sign PDFs by clicking the signature field. Explore our guide for more resources on adding digital signatures in Android. [Add video annotation to PDF in Java for Android](https://www.nutrient.io/guides/android/samples/add-video-annotations/): Learn how to enhance your PDFs with a gallery and video annotations. Visit our guide for more on multimedia annotations in Android. [Adding watermarks to PDFs using Kotlin for Android](https://www.nutrient.io/guides/android/samples/add-watermarks-to-pdf-kotlin/): Learn how to add images, text, and logos as watermarks in your PDFs. Explore our guide for detailed steps and Kotlin code examples. [Open AES-encrypted PDF in Java for Android](https://www.nutrient.io/guides/android/samples/aes-encrypted-pdf/): Learn how to open AES-encrypted PDFs without storing decrypted data. Explore our guide on decrypting PDFs securely in Android. [Set annotation flags on PDF in Java for Android](https://www.nutrient.io/guides/android/samples/annotation-flags/): You can set different flags, like a NOZOOM flag to ensure the annotation is always drawn with the same dimensions on screen, on annotation objects. Get additional resources by visiting Android PDF annotation library or by visiting our guide on defining annotation behaviors with flags in Android. [Draw annotation in PDF using blend mode in Java for Android](https://www.nutrient.io/guides/android/samples/annotation-overlay-mode/): An example showing how to draw annotations as overlay views instead of rendering them as part of the page. Get additional resources by visiting our guide on overlay modes. [Customize annotation selection in PDF with Java for Android](https://www.nutrient.io/guides/android/samples/annotation-selection-customization/): Learn to prevent stamp annotations from being selected post-creation. Explore our guide on annotation events and notifications for more resources. [Optimize annotation visualization on Android](https://www.nutrient.io/guides/android/samples/annotation-selection-layout-kotlin/): Learn to customize annotation states in Android using Kotlin. Explore our API documentation for advanced theming options. [Create PDF annotations in Kotlin for Android](https://www.nutrient.io/guides/android/samples/create-pdf-annotation-kotlin/): Learn to programmatically add links, highlights, and notes to PDFs using Kotlin. Explore our Android PDF annotation library for more resources. [Customize PDF form editing UI in Java for Android](https://www.nutrient.io/guides/android/samples/custom-activity-with-form-editing-ui/): Discover how to use the form editing UI for custom activities in Android. Get resources for customizing the PDF editing toolbar today! [Custom activity with toolbars example](https://www.nutrient.io/guides/android/samples/custom-activity-with-toolbars/): Learn how to hide default toolbars and use contextual toolbars in a custom PdfFragment activity with our Java code example. [Create a custom annotation in PDF toolbar using Java for Android](https://www.nutrient.io/guides/android/samples/custom-annotation-creation-toolbar/): Learn how to add custom items to the annotation toolbar in Android. Visit our guide for detailed instructions and example code. [Custom annotation inspector using Java for Android](https://www.nutrient.io/guides/android/samples/custom-annotation-inspector/): Learn to implement a custom annotation inspector in Android. Access our guide and example code for enhancing your annotation features effectively. [Toolbar grouping customization for Android](https://www.nutrient.io/guides/android/samples/custom-annotation-toolbar-grouping/): Discover how to customize the toolbar menu in Android PDF viewer with practical code samples and expert guidance. [Open a PDF from a custom data provider using Kotlin for Android](https://www.nutrient.io/guides/android/samples/custom-data-provider-kotlin/): Learn to load PDF documents using PdfActivity and a custom DataProvider. Explore our guide for more tips on Android PDF handling. [Customize document sharing dialog in Java for Android](https://www.nutrient.io/guides/android/samples/custom-document-sharing-dialog/): Learn to implement a custom dialog in Android's document sharing flow. Explore our guide for PDF sharing options and enhance user experience. [Adding actions to the document sharing menu in Java for Android](https://www.nutrient.io/guides/android/samples/custom-document-sharing-menu/): Learn how to add a custom action to the document sharing menu in Android. Explore our guide on configuring PDF sharing options for more insights. [Customizing the download progress dialog in Java for Android](https://www.nutrient.io/guides/android/samples/custom-download-progress-dialog/): Learn to build a custom DownloadProgressFragment and explore our guide on opening PDFs from URLs in Android for enhanced user experience. [Create custom PDF page template in Java for Android](https://www.nutrient.io/guides/android/samples/custom-new-pdf-page-template/): Learn to add custom templates to the new page dialog in Android. Visit our guide on customizing the PDF editing toolbar for more resources. [Customizing PDF annotation note hints in Kotlin for Android](https://www.nutrient.io/guides/android/samples/custom-note-annotation-hinter-provider-kotlin/): Discover how to customize ink annotation note hints in Android. Access our guide and example code to optimize your PDF rendering experience. [Customize PDF form highlight color in Java for Android](https://www.nutrient.io/guides/android/samples/custom-pdf-form-highlight-color/): Learn to toggle between custom and theme highlight colors for form elements in Android. Visit our guide for more customization resources. [Customize inline PDF search in Java for Android](https://www.nutrient.io/guides/android/samples/custom-pdf-inline-search/): Learn how to implement PdfSearchViewInline in your custom layout. Explore our guide for more on styling PDF viewers in Android. [Custimize PDF search UI in Java for Android](https://www.nutrient.io/guides/android/samples/custom-pdf-search-ui/): Learn to build a custom search view using the search API and access our guide on text searching in PDFs for Android development. [Customize PDF stamp annotations in Java for Android](https://www.nutrient.io/guides/android/samples/custom-pdf-stamp-annotations/): Customizes the default set of stamps in the StampPickerDialog. Get additional resources by visiting our guide on PDF stamp annotations in Android. [Customize PDF view layout in Kotlin for Android](https://www.nutrient.io/guides/android/samples/custom-pdf-view-layout-kotlin/): Learn how to customize the PDF viewer layout in Android with our step-by-step guide and example code. Enhance your app's interface today! [Customize ActionBar of PDF document in Kotlin for Android](https://www.nutrient.io/guides/android/samples/customized-actionbar-actions-kotlin/): Learn how to modify ActionBar icons in your Android app with our example. Visit our guide for more on customizing PDF metadata and interfaces. [PDF viewer dark theme in Java for Kotlin](https://www.nutrient.io/guides/android/samples/dark-theme-kotlin/): Discover how to apply a custom theme in your Android PDF viewer with our Kotlin example. Access additional resources for styling customization. [Disable text selection in PDF using Java for Android](https://www.nutrient.io/guides/android/samples/disable-text-selection-in-pdf-kotlin/): Learn how to use ApplicationPolicy to prevent text copying in Android. Access our guide for best practices and code samples for effective implementation. [Disable PDF annotation properties in Java for Android](https://www.nutrient.io/guides/android/samples/disabled-annotation-property/): Learn to disable the annotation note option in the editing toolbar. Explore our guide for additional resources on managing annotation properties in Android. [Import and export Instant JSON in Kotlin for Android](https://www.nutrient.io/guides/android/samples/document-json-kotlin/): Learn to import and export Instant Document JSON using PSPDFKit. Access our Kotlin example and further resources on how Instant JSON works. [Display PDFs side by side in Java for Android](https://www.nutrient.io/guides/android/samples/document-split-view/): Learn how to use two PdfFragment instances side by side in Android. Access our guide for tips on opening multiple PDFs efficiently. [Custom UI for navigating between PDFs in Java for Android](https://www.nutrient.io/guides/android/samples/document-switcher/): Learn how to implement a side navigation drawer to switch documents easily. Explore our DocumentCoordinator API guide for more resources. [Download PDF into your app in Kotlin for Android](https://www.nutrient.io/guides/android/samples/download-pdf-kotlin/): Learn to download PDF files from the web with our step-by-step guide. Explore Kotlin examples and tips for opening PDFs on Android devices. [Editing PDFs in Kotlin for Android](https://www.nutrient.io/guides/android/samples/edit-pdf-kotlin/): Discover how to utilize the PdfProcessor class for document processing in Android. Access our guides and Kotlin example for effective implementation. [Start PdfActivity without PDF loaded in Kotlin for Android](https://www.nutrient.io/guides/android/samples/empty-activity-kotlin/): Learn to initiate a PdfActivity without a PDF document. Explore our Kotlin example and additional resources for customizing your PDF interface. [Filterable thumbnail grid in Java for Android](https://www.nutrient.io/guides/android/samples/filterable-thumbnail-grid/): Learn to use PdfProcessor and DocumentCoordinator for a customizable thumbnail grid in Android. Filter by annotated or bookmarked pages easily. [Create custom activity using PdfFragment in Kotlin for Android](https://www.nutrient.io/guides/android/samples/fragment-kotlin/): Learn how to create an Android activity using PdfFragment. Access our comprehensive guide for tips and resources on customizing your interface effectively. [PDF search indexing in Java for Android](https://www.nutrient.io/guides/android/samples/full-pdf-text-search-indexing/): Learn how to index all PDFs in your Android catalog app for full-text search. Access our guide for additional resources on PDF indexing techniques. [Generate PDF report in Kotlin for Android](https://www.nutrient.io/guides/android/samples/generate-pdf-report-kotlin/): Learn how to create a password-protected PDF from multiple files using Kotlin. Explore our Android PDF editor library for more resources and examples. [Import and export annotations in XFDF using Java on Android](https://www.nutrient.io/guides/android/samples/import-export-xfdf/): Discover how to use the XML Forms Data Format (XFDF) for managing PDF forms and annotations. Explore code examples and resources for Android integration. [Inline multimedia example in Kotlin for Android](https://www.nutrient.io/guides/android/samples/inline-multimedia-kotlin/): Discover how to display rich media and video annotations in PDFs on Android. Visit our guide for embedding videos and multimedia annotations today! [Create JavaScript actions with a PDF on Android](https://www.nutrient.io/guides/android/samples/javascript-actions/): Learn to create and execute JavaScript actions within PDFs. Explore our guide on PDF annotation actions in Android for more resources and examples. [PDF-based JavaScript calculator in Kotlin for Android](https://www.nutrient.io/guides/android/samples/javascript-calculator-kotlin/): Explore our PDF example featuring a JavaScript calculator app. Access additional resources on PDF annotation actions for Android. [JavaScript PDF form filling on Android](https://www.nutrient.io/guides/android/samples/javascript-pdf-form-filling/): Learn to fill out PDF forms using the JavaScript bridge. Explore our guide for PDF annotation actions in Android and access useful code samples. [Display multiple PDFs in kiosk grid in Kotlin for Android](https://www.nutrient.io/guides/android/samples/kiosk-grid-kotlin/): Learn to display all documents in the assets folder using grid view. Visit our guide for tips on opening multiple PDFs in the Android viewer. [Merge PDF in Kotlin for Android](https://www.nutrient.io/guides/android/samples/merge-pdf-kotlin/): Learn to merge multiple PDF files in Android with our guide and example code. Enhance your document processing using Kotlin and additional resources. [Open PDF files in Android using Kotlin](https://www.nutrient.io/guides/android/samples/open-pdf-kotlin/): Learn how to open PDF documents in Android using Kotlin from the file system, app assets, or URIs. Follow our guide for tips and code samples for seamless integration. [Password protect PDFs in Kotlin for Android](https://www.nutrient.io/guides/android/samples/password-protected-pdf-kotlin/): Learn how to handle password-protected PDFs in Android. Access our Kotlin example and find tips for opening secured documents easily. [PDF collaboration in Kotlin for Android](https://www.nutrient.io/guides/android/samples/pdf-collaboration-kotlin/): Learn how to connect to PSPDFKit Instant server and download documents for collaborative editing. Explore our resources for Android PDF collaboration. [Create PDF forms in Kotlin for Android](https://www.nutrient.io/guides/android/samples/pdf-form-creation-kotlin/): Learn how to add new PDF form elements in Android. Explore our guide on creating fillable PDF forms and access valuable code samples for implementation. [PDF form filling in Kotlin for Android](https://www.nutrient.io/guides/android/samples/pdf-form-filling-kotlin/): Learn how to fill out PDF forms in your Android app using Kotlin. Access our comprehensive guide for more resources and code samples. [Add form elements with JavaScript actions attached on Android](https://www.nutrient.io/guides/android/samples/pdf-forms-javascript/): Learn how to add PDF form elements using JavaScript actions. Explore our guide on validating PDF forms in Android for more resources and examples. [Generate a PDF in Kotlin for Android](https://www.nutrient.io/guides/android/samples/pdf-generation-from-canvas-kotlin/): Learn how to create a document using Android canvas and explore our Android PDF generation library for more resources and examples. [PDF OCR in Kotlin for Android](https://www.nutrient.io/guides/android/samples/pdf-ocr-kotlin/): Learn to perform OCR on PDFs in Android. Explore our guide and access Kotlin code examples to seamlessly integrate OCR SDK into your app. [Custimizing PDF sharing actions in Java for Android](https://www.nutrient.io/guides/android/samples/pdf-sharing/): Learn how to implement custom sharing actions for PDFs in Android. Access our guide for detailed resources and code samples for seamless integration. [Kotlin PDF viewer example for Android](https://www.nutrient.io/guides/android/samples/pdf-viewer-kotlin/): Learn how to implement a Kotlin-based PDF viewer for Android applications with Nutrient Android SDK. Access code samples, resources, and step-by-step guidance for seamless PDF integration. [Customize PDF download progress in Kotlin for Android](https://www.nutrient.io/guides/android/samples/progress-data-provider-kotlin/): Learn how to implement ProgressDataProvider in Android with our Kotlin example. Access resources on opening PDFs from URLs for enhanced functionality. [Random document replacement example](https://www.nutrient.io/guides/android/samples/random-document-replacement/): Explore a Java example that stress tests document replacement at random intervals, enhancing performance and reliability in your applications. [PDF annotation rendering in Kotlin for Android](https://www.nutrient.io/guides/android/samples/render-pdf-annotation-kotlin/): Learn how to control annotation rendering in Android and explore our Kotlin example. Visit our guide for additional resources on rendering annotations. [Rotate PDF page in Kotlin for Android](https://www.nutrient.io/guides/android/samples/rotate-pdf-page-kotlin/): Learn how to temporarily rotate PDF pages in Android with our Kotlin example. Visit our guide for more tips on page manipulation and resources. [Runtime configuration activity](https://www.nutrient.io/guides/android/samples/runtime-configuration-activity-kotlin/): Learn to change Android activity configuration at runtime. Explore our guide on disabling annotation editing and PdfActivityConfiguration.Builder API. [Runtime configuration fragment](https://www.nutrient.io/guides/android/samples/runtime-configuration-fragment-kotlin/): Learn how to modify PdfFragment settings dynamically. Explore our PdfActivityConfiguration.Builder API guide for more resources and examples. [Continuous scrolling in Android PDF viewer using Kotlin](https://www.nutrient.io/guides/android/samples/settings-for-a-scientific-paper-kotlin/): Learn to set up continuous vertical scrolling with fit-to-width zoom in your Android app. Explore our guide for more customization options. [Open multiple PDFs in tabs using Kotlin for Android](https://www.nutrient.io/guides/android/samples/tabbed-pdf-documents-kotlin/): Discover how to open multiple PDF documents in a tabbed interface with our guide. Explore the Kotlin example for seamless document handling. [TextToSpeech screen reader in Java for Android](https://www.nutrient.io/guides/android/samples/text-to-speech-screen-reader/): Discover how to create a PDF screen reader on Android that highlights spoken words. Access our guide for more on accessibility features and resources. [Android PDF viewer UI customization using Kotlin](https://www.nutrient.io/guides/android/samples/user-interface-view-modes-kotlin/): Learn how to modify the UI view mode in a custom Android Activity. Explore our Kotlin example and access additional resources on UI visibility. [Customizing vertical scroll bar in Android PDF viewer using Java](https://www.nutrient.io/guides/android/samples/vertical-pdf-scrollbar/): Discover how to improve document navigation using the Scroll API and VerticalScrollBar widget. Visit our guide for customizing Android scrollbars. [Android PDF viewer zoom and pan using Kotlin](https://www.nutrient.io/guides/android/samples/zoom-pan-pdf-kotlin/): Learn to zoom and pan around PDF pages programmatically. Explore Kotlin examples and customize zoom options in our comprehensive Android guide. [Auto saving PDF files on Android](https://www.nutrient.io/guides/android/features/document-checkpointing/): Learn how to enable document checkpointing in Nutrient SDK for Android to prevent data loss during crashes and ensure seamless recovery of unsaved PDF annotations. [Incremental PDF saving on Android](https://www.nutrient.io/guides/android/faq/growing-pdf-file-size/): Incremental PDF saving on Android | guide for Nutrient Android SDK with detailed instructions and code examples. [Android library — Save a PDF file on Android](https://www.nutrient.io/guides/android/save-a-document/): Learn the secret to effortlessly saving documents on Android. Discover how to streamline your workflow and boost productivity. Click to uncover more now! [Save documents as PDFs on Android](https://www.nutrient.io/guides/android/save-a-document/save-as/): Learn how to use the Save As feature to save modified documents as PDFs on Android devices with ease. [Save PDF to custom data provider on Android](https://www.nutrient.io/guides/android/save-a-document/to-custom-data-provider/): Nutrient supports loading data from many different sources. In fact, this can be done from any object that conforms to the DataProviding protocol. [Save PDF to Document Engine on Android](https://www.nutrient.io/guides/android/save-a-document/to-document-engine/): Document Engine is our server-side component that stores documents and annotations. Nutrient Instant connects to Document Engine. [Save PDF to local storage with Android library](https://www.nutrient.io/guides/android/save-a-document/to-local-storage/): Learn how to disable automatic saving in Nutrient Android SDK and manually save PDF documents using Kotlin or Java for precise document management. [Save PDF to server on Android](https://www.nutrient.io/guides/android/save-a-document/to-remote-server/): Learn to upload PDF documents from your Android app to a remote server using OkHttp. Streamline your document management with efficient code examples in Kotlin and Java. [Android PDF search library — Search 1000s of PDFs](https://www.nutrient.io/guides/android/search/): Unlock the secrets of optimizing search on Android with expert tips and tricks. Dive into our comprehensive guide now! [Android PDF index generator — Index PDF files for search](https://www.nutrient.io/guides/android/features/indexed-full-text-search/): Nutrient supports fast and efficient full-text search in PDF documents through PdfLibrary. Overview of how to get started with PdfLibrary. [PDF search matching options on Android](https://www.nutrient.io/guides/android/search/indexed-full-text-search/matching-options/): PdfLibrary offers advanced matching options. You pass these options with a QueryOptions object in the search() method. for Nutrient Android SDK. [Search PDF annotations on Android](https://www.nutrient.io/guides/android/search/search-in-a-pdf/annotation-search/): Nutrient Android SDK supports searching for text contained in PDF annotations, including note comments, replies, and form fields (text fields. [Search text in PDF with Android library](https://www.nutrient.io/guides/android/features/text-search/): To search text inside a document, create an instance of TextSearch, passing in the loaded PdfDocument via its constructor. [Android digital signature library overview](https://www.nutrient.io/guides/android/signatures/digital-signatures/overview/): Learn about digital signatures, their importance, and how Android's digital signature library ensures document integrity and authentication. [Add a signature field to a PDF](https://www.nutrient.io/guides/android/signatures/digital-signatures/signature-lifecycle/add-a-signature-field/): Learn to easily add signature fields to PDF documents on Android using configuration builders for smooth form field creation. [Biometric signatures on Android](https://www.nutrient.io/guides/android/signatures/digital-signatures/signature-lifecycle/biometric/): Learn to create and utilize `BiometricSignatureData` in Android, enhancing digital signatures with biometric information for improved security and authenticity. [Support for external signing services on Android](https://www.nutrient.io/guides/android/signatures/digital-signatures/signature-lifecycle/external-signing-service/): Learn to integrate external signing services on Android using Nutrient. Sign documents with hardware security modules or other signing entities effectively. [Implementing digital signature lifecycle on Android](https://www.nutrient.io/guides/android/signatures/digital-signatures/signature-lifecycle/overview/): Learn to implement the digital signature lifecycle and secure your PDF signing process with integrity and authenticity in Android. [Generate self-signed certificates on Android](https://www.nutrient.io/guides/android/signatures/digital-signatures/signature-lifecycle/prepare-the-certificates-for-signing/): Learn how to generate and validate digital signatures on Android using self-signed certificates and boost your document security effectively. [Add a digital signature to PDF on Android](https://www.nutrient.io/guides/android/features/digital-signatures/): The signing process produces the signature by encrypting the message digest from the PDF file with a private key. The certificate. [Add visible vs non-visible digital signature in Android](https://www.nutrient.io/guides/android/signatures/digital-signatures/signature-lifecycle/signature-appearance/): Learn how to customize your digital signature appearance effectively. Enhance your documents with a professional touch and streamline your signature lifecycle. [Validate PDF digital signatures on Android](https://www.nutrient.io/guides/android/signatures/digital-signatures/signature-lifecycle/validation/): Learn how to validate digital signatures in PDFs on Android with PSPDFKit, ensuring your documents remain secure and trustworthy. [PAdES and CAdES digital signature standards](https://www.nutrient.io/guides/android/signatures/digital-signatures/standards/): Explore the differences, compliance levels, and features of PAdES and CAdES digital signatures for enhanced document integrity. [Cryptographic formats for digital signatures](https://www.nutrient.io/guides/android/signatures/digital-signatures/supported-methods/): Explore supported cryptographic formats and signing methods for secure digital signatures on Android. [Fix digital signature issues on Android](https://www.nutrient.io/guides/android/signatures/digital-signatures/troubleshooting/): Learn how to troubleshoot and resolve common digital signature issues on Android, including validation problems with certificate chains and multiple signatures. [Add electronic signatures to PDFs on Android](https://www.nutrient.io/guides/android/signatures/adding-an-electronic-signature/): Learn how to add electronic signatures to PDFs on Android using Nutrient Android SDK. Enable end users to sign documents by drawing, typing, or attaching an image. Follow our step-by-step guide for seamless eSignature integration. [eSign PDF with certificate on Android](https://www.nutrient.io/guides/android/signatures/using-electronic-signatures-and-digital-signatures-together/): ESign PDF with certificate on Android | guide for Nutrient Android SDK with detailed instructions and code examples. [Save electronic signatures on Android](https://www.nutrient.io/guides/android/signatures/signature-storage/): Learn how to implement and manage signature storage on Android for seamless document signing. [Fill and sign PDF forms on Android](https://www.nutrient.io/guides/android/signatures/fill-and-sign-forms/): Learn how to fill and sign PDF forms on Android effortlessly, using both manual and programmatic methods. Discover features like electronic signatures. [Android PDF signature library: Fast and easy setup](https://www.nutrient.io/guides/android/signatures/): Unlock the secrets of enhancing digital signatures on Android with expert tips and guidance. Learn more at Nutrient. [eSignatures and digital signatures on Android](https://www.nutrient.io/guides/android/signatures/overview/): Explore the differences between electronic and digital signatures, and learn how to implement them in Android applications for secure document signing. [Diagnosing untrusted digital signatures on Android](https://www.nutrient.io/guides/android/signatures/troubleshooting/chain-of-certs-not-valid/): Learn how to troubleshoot untrusted digital signatures on Android and understand their validation states. [Fixing invalid digital signatures in documents](https://www.nutrient.io/guides/android/signatures/troubleshooting/multi-signatures-previous-not-valid/): Learn to ensure valid digital signatures by enabling incremental saving when signing documents on Android devices. [Nutrient Android SDK troubleshooting](https://www.nutrient.io/guides/android/troubleshoot/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [ABI set not compatible](https://www.nutrient.io/guides/android/troubleshooting/abi-set-not-compatible/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Didn't find class on path DexPathList](https://www.nutrient.io/guides/android/miscellaneous/multidex/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Gradle “peer not authenticated” error](https://www.nutrient.io/guides/android/troubleshooting/gradle-peer-not-authenticated/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Image size too big](https://www.nutrient.io/guides/android/troubleshooting/errors-and-warnings/image-size-too-big/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [NoClassDefFoundError](https://www.nutrient.io/guides/android/troubleshooting/java-lang-noclassdeffounderror/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Library libpspdfkit not found](https://www.nutrient.io/guides/android/troubleshooting/errors-and-warnings/library-not-found/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Out of memory build errors](https://www.nutrient.io/guides/android/troubleshooting/out-of-memory-build-error/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [VFY warnings](https://www.nutrient.io/guides/android/troubleshooting/vfy-warnings/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Initializing Nutrient](https://www.nutrient.io/guides/android/basics/initializing-pspdfkit/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Removing ReLinker](https://www.nutrient.io/guides/android/miscellaneous/relinker/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Add a license key to your Android app](https://www.nutrient.io/guides/android/troubleshooting/license/add-license-key/): Learn how to generate and add a license key for your Android app using Nutrient SDK. Start in trial mode or register your product easily. [Getting the currently used version](https://www.nutrient.io/guides/android/license-issues/getting-the-currently-used-version/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Updates have expired](https://www.nutrient.io/guides/android/license-issues/updates-have-expired/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Using the license key in other languages](https://www.nutrient.io/guides/android/license-issues/using-the-license-key-in-other-languages/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [What is a bundle ID?](https://www.nutrient.io/guides/android/faq/what-is-a-bundle-id/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [AndroidX migration](https://www.nutrient.io/guides/android/troubleshooting/androidx-migration/): Migrate your Android app to AndroidX with Nutrient Android SDK. This guide provides steps for updating dependencies and resolving common migration problems. [Streamlined crash reporting for SDK](https://www.nutrient.io/guides/android/troubleshooting/bug-reporting/): Discover effective bug reporting tips for your Android SDK, ensuring quick resolutions and stable applications. [General layout problems](https://www.nutrient.io/guides/android/troubleshooting/layout-problems/): Learn how to resolve layout problems in Nutrient by removing the android:configChanges option in your AndroidManifest.xml for better display. [Path traversal vulnerability in content provider versions 2.3.3 – 2.8.0](https://www.nutrient.io/guides/android/announcements/path-traversal-vulnerability/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Retracing R8 obfuscated stack traces](https://www.nutrient.io/guides/android/troubleshooting/miscellaneous/r8-retracing/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Changing the font size](https://www.nutrient.io/guides/android/customizing-pdf-pages/changing-the-font-size-or-color-of-page-text/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [PDF Rendering on Android in Low-Code](https://www.nutrient.io/guides/android/troubleshooting/complexities-of-rendering-pdfs/): Explore our custom C++ PDF rendering engine for Android, ensuring pixel-perfect documents and comprehensive testing for all supported platforms. [Fix inconsistent PDF fonts on any device](https://www.nutrient.io/guides/android/rendering-issues/inconsistent-fonts/): Learn how to check and embed fonts in PDFs for consistent rendering across all devices and viewers. [Inconsistent labels](https://www.nutrient.io/guides/android/rendering-issues/inconsistent-labels/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Outdated render cache](https://www.nutrient.io/guides/android/rendering-issues/outdated-render-cache/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Fixing PDF form display issues](https://www.nutrient.io/guides/android/rendering-issues/pspdfkit-doesnt-show-the-pdf-form/): Learn how to resolve XFA form display issues in PDFs and the difference between XFA and AcroForms for better document compatibility. [Disable all UI interaction](https://www.nutrient.io/guides/android/features/controlling-pdf-editing/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Nutrient Android SDK upgrade and migration guides](https://www.nutrient.io/guides/android/upgrade/): Comprehensive upgrade guide for Nutrient Android SDK covering version migrations, breaking changes, and new features. [Android PDF viewer styling — Flexible and customizable](https://www.nutrient.io/guides/android/customizing-the-interface/appearance-styling/): To customize UI elements, Nutrient uses the standard Android style and theme system. When declaring a theme for your application. [Customize annotation creation toolbar in Android PDF viewer](https://www.nutrient.io/guides/android/annotations/custom-annotation-editing-controls/): You can control which annotation tools are enabled in the annotation creation toolbar, as well as build your own custom views. [Customize PDF annotation editing toolbar on Android](https://www.nutrient.io/guides/android/user-interface/contextual-toolbars/annotation-editing/): When annotations are being edited, Nutrient Android SDK shows the annotation editing toolbar. To use it, select an annotation. [Customize toolbar in Android PDF viewer](https://www.nutrient.io/guides/android/customizing-the-interface/customizing-the-toolbar/): Nutrient comes with a flexible toolbar system that provides basic action bar functionality, as well as powerful editing features. [Customize PDF editing toolbar on Android](https://www.nutrient.io/guides/android/features/document-editor/): Document Editor offers you and your users a whole host of document editing features, including creation of new pages, page duplication, reordering. [Customize text selection in Android PDF viewer](https://www.nutrient.io/guides/android/user-interface/contextual-toolbars/text-selection/): Learn how to enhance text selection functionality in your Android PDF viewer with customizable toolbars and actions. [Customizing contextual toolbar special modes in PdfFragment](https://www.nutrient.io/guides/android/customizing-the-interface/using-toolbars-within-fragment/): PdfActivity provides contextual toolbars out of the box for so-called special modes, which include text selection, annotation creation. [Building an activity around the PdfFragment](https://www.nutrient.io/guides/android/customizing-the-interface/building-an-activity-around-the-pdffragment/): You might want to customize the user interface of your app beyond what is possible with the predefined UI of the PdfActivity. [Extending PdfActivity with custom activities](https://www.nutrient.io/guides/android/customizing-the-interface/extending-pdfactivity/): Displaying documents using the PdfActivity is sufficient in most cases. Nonetheless, there are situations where customizations beyond pure styling are necessary. [Customize form editing toolbar on Android](https://www.nutrient.io/guides/android/customizing-the-interface/using-form-ui-within-fragment/): Learn to customize the form editing toolbar in your Android app using Nutrient Android SDK. Integrate the `FormEditingBar` into your custom activities for enhanced form functionality. [Custom PDF viewer on Android library](https://www.nutrient.io/guides/android/user-interface/): Discover the secrets to optimizing your Android app's user interface with our comprehensive guide. Elevate your app design now! [Localization: Change languages in Android PDF viewer](https://www.nutrient.io/guides/android/features/localization/): Localization: Change languages in Android PDF viewer | guide for Nutrient Android SDK with detailed instructions and code examples. [Customize toolbar menu on Android](https://www.nutrient.io/guides/android/customizing-the-interface/customizing-menus/): Customize the toolbar menu in Nutrient SDK for Android by adding or removing actions. Learn to override menu methods and enhance user interaction effectively. [Customize dialog modals on Android](https://www.nutrient.io/guides/android/customizing-the-interface/modal-dialogs-styling/): By default, Nutrient styles all dialogs according to your theme without any additional work. This produces light dialogs with light application themes. [Customize note editor on Android](https://www.nutrient.io/guides/android/customizing-the-interface/customizing-the-note-editor/): Customize the note editor on Android with Nutrient Android SDK. Control content sharing and annotation reply features to enhance user interaction and experience. [Overlay views on Android](https://www.nutrient.io/guides/android/features/overlay-views/): With Nutrient Android SDK 6.1, we introduced a new feature, overlay views, which lets you attach Android views to pages of a document using PDF coordinates. [Enable annotation inspector on Android](https://www.nutrient.io/guides/android/annotations/annotation-inspector/): The annotation inspector is a Nutrient user interface (UI) component that allows editing of annotation properties. It’s integrated. [Enable form inspector on Android](https://www.nutrient.io/guides/android/user-interface/property-inspectors/form-inspector/): The form editing inspector is a UI component that allows users to edit the value of selected ComboBoxFormElements and ListBoxFormElements. [Using property inspectors within PdfFragment](https://www.nutrient.io/guides/android/customizing-the-interface/using-inspectors-within-fragment/): Learn to integrate property inspectors into your PdfFragment, enabling efficient editing of object properties with customizable views in your application. [Hide or customize scrollbar in Android PDF viewer](https://www.nutrient.io/guides/android/customizing-the-interface/scrollbars/): Nutrient comes with out-of-the-box scrollbars indicating the current scroll position and remaining scroll range (i.e. the remaining pages in the document). [Separate the document info view in Android PDF viewer](https://www.nutrient.io/guides/android/user-interface/separate-document-info/): Learn how to separate the document info view in the Android PDF viewer using Nutrient SDK 8.3. Discover options to customize your layout effectively. [Customize electronic signature UI on Android](https://www.nutrient.io/guides/android/customizing-the-interface/configuring-the-signaturepickerfragment/): Learn how to personalize your signature user interface effectively. Enhance user experience and improve email communication with our step-by-step guide. [Customize thumbnail file viewer on Android](https://www.nutrient.io/guides/android/customizing-the-interface/customizing-the-thumbnail-bar/): The thumbnail bar is the component found on the bottom of our PdfActivity by default, or as a standalone view named PdfThumbnailBar. for Nutrient Android SDK. [Show or hide UI in Android PDF viewer](https://www.nutrient.io/guides/android/customizing-the-interface/user-interface-visibility/): When using PdfActivity, you might want to tweak how Nutrient handles its user interface visibility (e.g. toolbars, thumbnail bar). [Display PDF on Android with PdfActivity](https://www.nutrient.io/guides/android/basics/using-activity/): PdfActivity is the most straightforward way of displaying a PDF document with all Nutrient features. PdfActivity extends Android’s AppCompatActivity. [Load a PDF document on Android with PdfDocument class](https://www.nutrient.io/guides/android/basics/using-pdfdocument/): Nutrient represents loaded PDF documents using instances of the PdfDocument class. A document can be loaded from various sources. [PDF display options on Android with PdfFragment](https://www.nutrient.io/guides/android/basics/using-fragment/): Nutrient provides two kinds of fragments for displaying PDF documents:. [Android PDF viewer library with accessibility support](https://www.nutrient.io/guides/android/viewer/accessibility/features/): Nutrient Android SDK has a number of accessibility features to aide ease of access in our SDK. [PDF text-to-speech library for Android viewer](https://www.nutrient.io/guides/android/features/text-to-speech/): The Android PDF text-to-speech feature is enabled by default. To disable the text-to-speech action in the TextSelectionToolbar. [Android image viewer library: JPG, PDF, TIFF](https://www.nutrient.io/guides/android/viewer/images/): Nutrient Android SDK includes support for directly rendering JPEG, PNG, and TIFF files in any modern browser or mobile device without any plugins. [Android PDF viewer library: Drop-in ready features](https://www.nutrient.io/guides/android/viewer/): Unleash the potential of your Android app with our ultimate viewer guide. Discover expert tips and tricks for a seamless viewing experience. Click now! [Fast Java PDF viewer library for Android](https://www.nutrient.io/guides/android/viewer/java/): Embed a customizable PDF viewer in your Android app with fast rendering and advanced features like night mode and accessibility support. [Kotlin PDF viewer library for Android features](https://www.nutrient.io/guides/android/viewer/kotlin/): Discover a fast and customizable Kotlin PDF viewer for Android, offering unique features like dark mode, text-to-speech, and annotation support. [Android PDF viewer page navigations](https://www.nutrient.io/guides/android/basics/document-interactions/): After loading a PDF document, you can programmatically interact with it, which lets you scroll to different pages or zoom in and out. [Configure Android viewer scroll direction and page transition](https://www.nutrient.io/guides/android/customizing-the-interface/document-presentation-options/): Configure the scroll direction and page transition settings in the Nutrient Android SDK’s viewer. Learn to customize document presentation for optimal user experience. [JavaScript in Android PDF viewer](https://www.nutrient.io/guides/android/features/javascript/): Discover how to leverage JavaScript in your Android PDF viewer for enhanced document functionality and user interaction. [Configuring permissions in Android PDF viewer](https://www.nutrient.io/guides/android/viewer/permissions/): Learn how to configure PDF permissions in Android to control document features like printing, copying, and editing content. [Rendering annotations on Android](https://www.nutrient.io/guides/android/annotations/rendering-annotations/): Render annotations from single objects into Bitmap instances using Nutrient SDK. Load documents efficiently with PdfDocumentLoader, enhancing your Android app’s functionality. [Coordinate space conversion in Android PDF viewer](https://www.nutrient.io/guides/android/faq/coordinate-spaces/): By specification, PDF documents have their own coordinate space, which is different from the coordinate space used by Android’s views. [Edit PDF fonts on Android easily](https://www.nutrient.io/guides/android/features/custom-fonts/): Learn how to customize and load PDF fonts in your Android app for better rendering and fidelity with essential guides and code examples. [Draw content above displayed document on Android](https://www.nutrient.io/guides/android/features/drawable-api/): An app using Nutrient can draw content above a displayed document using PdfDrawable, which is a subtype of Android’s Drawable class. [Render PDF forms on Android](https://www.nutrient.io/guides/android/viewer/rendering/pdf-forms/): The following section assumes you’re familiar with forms. If not, first see the introduction to forms guides for more details. for Nutrient Android SDK. [PDF renderer library for Android — Fast and accurate](https://www.nutrient.io/guides/android/features/rendering-pdf-pages/): You can use Nutrient to render a PDF page into a Bitmap object so that you can use it in your custom application views as well. [Adjusting resolution for fast PDF viewer on Android](https://www.nutrient.io/guides/android/features/low-res-render-api/): Adjust resolution settings for fast PDF viewing on Android. Learn to implement low-resolution strategies and customize render pixel counts for optimal performance. [Customizing text selection in Android PDF viewer](https://www.nutrient.io/guides/android/features/text-selection/): Learn how to select, copy, and interact with text in our Android PDF viewer. Enhance your app’s user experience with robust text selection functionality. [Android PDF viewer troubleshooting](https://www.nutrient.io/guides/android/viewer/troubleshooting/): Solutions for common issues and errors in Nutrient Android SDK with debugging tips and workarounds. [Library to display PDF on Android with view state](https://www.nutrient.io/guides/android/view-management/store-load-view-state/): The view state is the data we capture, store and eventually use to restore what the user is currently looking at after recreating a PdfFragment —. [Open multiple PDF files in Android viewer](https://www.nutrient.io/guides/android/features/working-with-multiple-documents/): Nutrient Android SDK supports loading multiple documents into a single PdfActivity. This guide will outline how to launch the PdfActivity. [Night theme for Android PDF Viewer](https://www.nutrient.io/guides/android/viewer/viewing-options/night-theme/): Discover how to enable night theme mode in Nutrient, customize PDF styles, and enhance readability with dark colors without altering the original file. [Android pdf reader library for mobile devices](https://www.nutrient.io/guides/android/features/reader-view/): Discover how to use Reader View for a better pdf reading experience on android devices. [Right-to-left (RTL) PDF viewer support on Android](https://www.nutrient.io/guides/android/miscellaneous/page-bindings/): Right-to-left (RTL) PDF viewer support on Android | guide for Nutrient Android SDK with detailed instructions and code examples. [Android PDF viewer with zoom library](https://www.nutrient.io/guides/android/miscellaneous/zooming/): Learn to programmatically manage the zoom scale of a PDF page. for Nutrient Android SDK.