--- title: "Android PDF library — View, edit, sign, more | Nutrient" canonical_url: "https://www.nutrient.io/guides/android/" md_url: "https://www.nutrient.io/guides/android.md" last_updated: "2026-05-22T14:49:21.563Z" description: "Unlock the potential of Android development with expert tips and insights. Discover must-read guides for optimizing your application performance." --- # Comprehensive Android PDF 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. [Try for free](https://www.nutrient.io/sdk/android/getting-started.md) [Launch demo](https://www.nutrient.io/guides/android/demo.md) **Latest release**: Discover what’s new! Check out our changelog for the latest release updates. [Learn more](https://www.nutrient.io/guides/android/changelog.md) ## Essential guides Learn how to get started with opening documents, saving changes, and customizing the UI. [Explore all](https://www.nutrient.io/guides/android/intro.md) --- **Open a document** How to open a PDF from a blob, ArrayBuffer, remote URL, and more [Read more](https://www.nutrient.io/guides/android/open-a-document.md) --- **Save a document** How to save a PDF to local storage, remote server, and more [Read more](https://www.nutrient.io/guides/android/save-a-document.md) --- **User interface** How to customize icons, buttons, toolbars, the look and feel, and more [Read more](https://www.nutrient.io/guides/android/user-interface.md) ## Framework support Nutrient Android SDK is compatible with [Flutter](/guides/flutter.md), [React Native](/guides/react-native.md), and [.NET for Android](/sdk/dotnet-for-android/getting-started.md). Flutter [Read more](https://www.nutrient.io/guides/flutter.md) React Native [Read more](https://www.nutrient.io/guides/react-native.md).NET for Android [Read more](https://www.nutrient.io/sdk/dotnet-for-android/getting-started.md) ## File type support Microsoft Office file types are supported when using the optional [Document Engine](/guides/document-engine.md). `PDF documents` `Image documents` `Office files` **Call to Action** Start your free trial for unlimited access and expert support. [Learn More](https://www.nutrient.io/sdk/android/getting-started.md) --- ## Related pages - [Best practices](/guides/android/best-practice.md) - [Efficiently manage PDF bookmarks on Android](/guides/android/bookmarks.md) - [Effortlessly compare documents on Android](/guides/android/compare-documents.md) - [Contributing to Nutrient projects](/guides/android/miscellaneous/contributing.md) - [Cordova](/guides/android/cordova.md) - [Explore top PDF SDK demos for Android apps](/guides/android/demo.md) - [Download our Android library](/guides/android/downloads.md) - [Android guides: Integrate our PDF library](/guides/android/intro.md) - [Ionic](/guides/android/ionic.md) - [Knowledge base](/guides/android/kb.md) - [Kotlin PDF library for Android](/guides/android/kotlin.md) - [Troubleshooting](/guides/android/troubleshoot.md) - [Upgrade and migration guides](/guides/android/upgrade.md) - [Xamarin.Android PDF library](/guides/android/xamarin.md) - [Changelog for Android](/guides/android/changelog.md) ## Pages in this section - [Changelog](/guides/android/about/changelog.md) - [File type support](/guides/android/about/file-type-support.md) - [Framework support](/guides/android/about/frameworks.md) - [Licensing](/guides/android/faq/licensing.md) - [System compatibility](/guides/android/announcements/version-support.md) - [Add AI capabilities to Nutrient document viewer](/guides/android/ai-assistant.md) - [Flatten annotations on Android](/guides/android/annotations/flatten.md) - [Rotate annotations seamlessly in your Android app](/guides/android/annotations/annotation-rotation.md) - [Draw and detect annotation shapes in PDFs](/guides/android/annotations/magic-ink.md) - [Review and reply to annotations on Android](/guides/android/annotations/replies.md) - [PDF annotation library for Android](/guides/android/annotations/introduction-to-annotations.md) - [Select or deselect annotations on Android](/guides/android/annotations/select-or-deselect.md) - [Android PDF annotation troubleshooting](/guides/android/annotations/troubleshooting.md) - [Check For Compatibility](/guides/android/faq/check-for-compatibility.md) - [About Memory Usage](/guides/android/memory-and-storage/about-memory-usage.md) - [Remove all Android logging calls that should be ignored in release builds to prevent logs in Logcat.](/guides/android/features/logging.md) - [Framework Size](/guides/android/faq/framework-size.md) - [Customizing The Page Number](/guides/android/customizing-pdf-pages/customizing-the-page-number.md) - [Manual Library Integration](/guides/android/advanced-integration/manual-library-integration.md) - [Managing data storage and privacy in Android](/guides/android/best-practices/data-storage-and-privacy.md) - [Nightly Builds](/guides/android/advanced-integration/nightly-builds.md) - [Opening Local Files](/guides/android/miscellaneous/opening-local-files.md) - [Permissions](/guides/android/advanced-integration/permissions.md) - [Optimize Pdf Documents For Mobile Rendering](/guides/android/miscellaneous/optimize-pdf-documents-for-mobile-rendering.md) - [Android PDF SDK security](/guides/android/faq/sdk-security.md) - [Subscription Validation](/guides/android/announcements/subscription-validation.md) - [Powered By Nutrient](/guides/android/miscellaneous/powered-by-nutrient.md) - [Unsupported Internal Symbols](/guides/android/announcements/unsupported-internal-symbols.md) - [Third Party Compatibility](/guides/android/miscellaneous/third-party-compatibility.md) - [Effortlessly convert images to PDF on Android](/guides/android/conversion/image-to-pdf.md) - [Converting HTML to PDFs on Android](/guides/android/generating-pdfs/generating-pdf-from-html.md) - [Convert PDFs to images on Android](/guides/android/conversion/pdf-to-image.md) - [MS Office converter for Android](/guides/android/features/office-conversion.md) - [PDF conversion library for Android](/guides/android/conversion.md) - [Convert scanned documents to searchable PDFs on Android](/guides/android/conversion/scan-to-searchable-pdf.md) - [Convert images to text on Android](/guides/android/conversion/image-to-text.md) - [Decrypt PDFs with AES on Android](/guides/android/document-security/decrypt-aes-files.md) - [Creating password-protected PDFs on Android](/guides/android/document-security/add-a-password.md) - [Prevent sharing of PDF files on Android](/guides/android/document-security/prevent-sharing.md) - [Secure your PDFs with custom watermarks on Android](/guides/android/document-security/add-a-watermark.md) - [Document security on Android](/guides/android/document-security.md) - [Manage PDF document permissions on Android](/guides/android/features/document-permissions.md) - [Encrypt PDFs with AES on Android](/guides/android/security/aesdataprovider.md) - [Introduction to PDF encryption on Android](/guides/android/security/introduction-to-encryption.md) - [Add and insert images into PDFs on Android](/guides/android/editor/add-image.md) - [Attach files to PDFs on Android](/guides/android/features/embedded-files.md) - [Customizing PDF editing permissions on Android](/guides/android/editor/document-permissions.md) - [Add pages to PDF files on Android](/guides/android/editor/add-page.md) - [Merge multiple PDF files on Android](/guides/android/editor/merge-or-combine.md) - [PDF editor library for Android](/guides/android/features/document-processing.md) - [Edit text in PDFs on Android](/guides/android/editor/edit-text.md) - [Split PDFs on Android](/guides/android/editor/split.md) - [Understand PDF form events in Android SDK](/guides/android/events-and-notifications/forms.md) - [Analytics events](/guides/android/events-and-notifications/events.md) - [Events and notifications](/guides/android/events-and-notifications.md) - [Annotation events and notifications](/guides/android/events-and-notifications/annotation.md) - [Analytics](/guides/android/features/analytics.md) - [PDF viewer events](/guides/android/miscellaneous/document-listeners.md) - [Text selection events and notifications](/guides/android/events-and-notifications/text-selection.md) - [PDF extraction library for Android](/guides/android/extraction.md) - [Extract metadata from PDFs on Android](/guides/android/extraction/metadata.md) - [Extract pages from PDFs on Android](/guides/android/extraction/page-extraction.md) - [Extract selected text from PDFs on Android](/guides/android/extraction/selected-text.md) - [Effortlessly parse PDF content on Android](/guides/android/extraction/parse-content.md) - [Extract the text position from PDFs on Android](/guides/android/extraction/text-position.md) - [Easily extract text from PDFs on Android](/guides/android/features/text-extraction.md) - [Easy steps to extract PDF form data on Android](/guides/android/forms/extract-form-data.md) - [Flatten PDF form fields on Android](/guides/android/forms/flatten.md) - [PDF form library for Android](/guides/android/forms.md) - [Explore flexible PDF form actions on Android](/guides/android/forms/pdf-actions-support.md) - [Validate PDF forms on Android with JavaScript](/guides/android/forms/javascript-validation.md) - [Reducing PDF size](/guides/android/generating-pdfs/reducing-pdf-size.md) - [Efficient PDF annotation syncing on Android](/guides/android/pspdfkit-instant/syncing.md) - [Authenticate your Android app with JWT](/guides/android/instant-synchronization/authentication.md) - [Adding Instant comments to PDFs on Android](/guides/android/comments/introduction-to-instant-comments.md) - [Frequently asked questions](/guides/android/instant-synchronization/faq.md) - [Integrating real-time collaboration into your Android application](/guides/android/pspdfkit-instant/getting-started.md) - [Effortless offline PDF annotation and sync](/guides/android/pspdfkit-instant/offline-support.md) - [Instant sync and document state on Android](/guides/android/pspdfkit-instant/instant-document-state.md) - [PDF collaboration library for Android](/guides/android/instant-synchronization.md) - [Instant usage on Android](/guides/android/pspdfkit-instant/usage.md) - [Create and manage PDF annotation layers on Android](/guides/android/pspdfkit-instant/instant-layers.md) - [Jetpack Compose PDF library](/guides/android/jetpack-compose.md) - [Jetpack Compose PDF viewer](/guides/android/jetpack-compose/viewer.md) - [Interacting with DocumentView](/guides/android/jetpack-compose/interactions.md) - [Convert Instant JSON files to XFDF format](/guides/android/json/convert-to-xfdf.md) - [Enhance your PDFs with Instant JSON format](/guides/android/json.md) - [Understanding Instant JSON for efficient PDF annotations](/guides/android/json/how-it-works.md) - [Custom Print Functionality](/guides/android/knowledge-base/custom-print-functionality.md) - [Allow Clear Text Traffic](/guides/android/knowledge-base/allow-clear-text-traffic.md) - [Compose Qna](/guides/android/knowledge-base/compose-qna.md) - [Deleting Pages From A Pdf](/guides/android/knowledge-base/deleting-pages-from-a-pdf.md) - [Easily disable share and print options in Android](/guides/android/knowledge-base/disable-share-documentinfo-print.md) - [Disabling Annotation Rotation](/guides/android/knowledge-base/disabling-annotation-rotation.md) - [Managing touch scrolling in Compose containers](/guides/android/knowledge-base/document-view-inside-pager-scroll-handling.md) - [Getting Signature Location](/guides/android/knowledge-base/getting-signature-location.md) - [Getting All Digital Signatures](/guides/android/knowledge-base/getting-all-digital-signatures.md) - [Change page layout dynamically based on orientation](/guides/android/knowledge-base/dynamic-page-layout-when-changing-orientation.md) - [Creating invisible digital signatures in Android](/guides/android/knowledge-base/invisible-signature.md) - [Intercepting Touch Events](/guides/android/knowledge-base/intercepting-touch-events.md) - [Install Failed Insufficient Storage](/guides/android/knowledge-base/install-failed-insufficient-storage.md) - [Invoke Search Programmatically](/guides/android/knowledge-base/invoke-search-programmatically.md) - [Remove Tool Variant From Toolbar](/guides/android/knowledge-base/remove-tool-variant-from-toolbar.md) - [Making Form Elements Read Only](/guides/android/knowledge-base/making-form-elements-read-only.md) - [Invoking Share Action Programmatically](/guides/android/knowledge-base/invoking-share-action-programmatically.md) - [Override Hyperlink Behavior](/guides/android/knowledge-base/override-hyperlink-behavior.md) - [Save signed PDFs directly to a remote server on Android](/guides/android/knowledge-base/save-signed-pdfs-to-remote-server.md) - [Customize the overflow button color in Android](/guides/android/knowledge-base/styling-overflow-button.md) - [Runtime Permissions Cordova](/guides/android/knowledge-base/runtime-permissions-cordova.md) - [Using Pspdfkit With Dynamic Feature Modules](/guides/android/knowledge-base/using-pspdfkit-with-dynamic-feature-modules.md) - [Measure distance and area in a PDF on Android](/guides/android/measurements.md) - [Measure distance in a PDF on Android](/guides/android/measurements/measure-distance.md) - [Measure area in a PDF on Android](/guides/android/measurements/measure-area.md) - [Configure measurements in a PDF on Android](/guides/android/measurements/configure-measurements.md) - [Integrating our OCR SDK into Android](/guides/android/ocr/getting-started.md) - [Discover supported languages for Android OCR](/guides/android/ocr/language-support.md) - [Unlocking OCR capabilities for Android PDFs](/guides/android/ocr/overview.md) - [How to OCR a PDF on Android](/guides/android/ocr/usage.md) - [Open PDFs from in-memory data on Android](/guides/android/open-a-document/from-in-memory-data.md) - [Open a PDF file from Document Engine on Android](/guides/android/open-a-document/from-document-engine.md) - [Open PDFs from a custom data provider on Android](/guides/android/features/data-providers.md) - [Open password-protected PDFs on Android](/guides/android/security/secured-documents.md) - [Open a local PDF file on Android](/guides/android/open-a-document/from-local-storage.md) - [Open PDF files on Android](/guides/android/open-a-document.md) - [Open PDFs from URLs on Android](/guides/android/miscellaneous/document-downloads.md) - [Generate blank PDFs on Android](/guides/android/features/document-creation.md) - [Effortlessly generate PDFs from images on Android](/guides/android/pdf-generation/from-images.md) - [Generate PDF reports on Android](/guides/android/generating-pdfs/generating-pdf-reports.md) - [Effortlessly generate PDF thumbnails on Android](/guides/android/pdf-generation/thumbnail-preview.md) - [Generate PDFs from a template on Android](/guides/android/pdf-generation/from-template.md) - [Generate PDFs from HTML on Android](/guides/android/pdf-generation/from-html.md) - [PDF generation library for Android](/guides/android/pdf-generation.md) - [Generate PDFs programmatically on Android](/guides/android/pdf-generation/programmatically.md) - [Explore Android PDF development with practical code samples](/guides/android/samples.md) - [Example projects for Android PDF library](/guides/android/prebuilt-solutions/example-projects.md) - [10 10 1](/guides/android/releases/10-10-1.md) - [10 9](/guides/android/releases/10-9.md) - [10 6](/guides/android/releases/10-6.md) - [10 8](/guides/android/releases/10-8.md) - [10 10](/guides/android/releases/10-10.md) - [10 7](/guides/android/releases/10-7.md) - [11 1](/guides/android/releases/11-1.md) - [11 2](/guides/android/releases/11-2.md) - [11 0](/guides/android/releases/11-0.md) - [11 4](/guides/android/releases/11-4.md) - [11 3](/guides/android/releases/11-3.md) - [11 3 1](/guides/android/releases/11-3-1.md) - [11 5](/guides/android/releases/11-5.md) - [Redacting PDFs in Android viewer](/guides/android/redaction/built-in-ui.md) - [Using RegEx to redact PDFs on Android](/guides/android/redaction/regex-patterns.md) - [Search and redact PDFs on Android](/guides/android/redaction/search-and-redact.md) - [Redacting PDFs programmatically on Android](/guides/android/features/redaction.md) - [Master PDF redaction on Android devices](/guides/android/redaction/introduction-to-redaction.md) - [PDF redaction library for Android](/guides/android/redaction.md) - [10 3 Migration Guide](/guides/android/migration-guides/10-3-migration-guide.md) - [2024 9 Migration Guide](/guides/android/migration-guides/2024-9-migration-guide.md) - [Migrate to electronic signatures](/guides/android/migration-guides/migrating-to-electronic-signatures.md) - [2024 8 Migration Guide](/guides/android/migration-guides/2024-8-migration-guide.md) - [10 4 Migration Guide](/guides/android/migration-guides/10-4-migration-guide.md) - [Pspdfkit 2 1 Migration Guide](/guides/android/migration-guides/pspdfkit-2-1-migration-guide.md) - [Pspdfkit 2024 1 Migration Guide](/guides/android/migration-guides/pspdfkit-2024-1-migration-guide.md) - [Nutrient 10 Migration Guide](/guides/android/migration-guides/nutrient-10-migration-guide.md) - [10 5 Migration Guide](/guides/android/migration-guides/10-5-migration-guide.md) - [Pspdfkit 2024 3 Migration Guide](/guides/android/migration-guides/pspdfkit-2024-3-migration-guide.md) - [Pspdfkit 2024 2 Migration Guide](/guides/android/migration-guides/pspdfkit-2024-2-migration-guide.md) - [Pspdfkit 2024 6 Migration Guide](/guides/android/migration-guides/pspdfkit-2024-6-migration-guide.md) - [Pspdfkit 2024 4 Migration Guide](/guides/android/migration-guides/pspdfkit-2024-4-migration-guide.md) - [Pspdfkit 4 4 Migration Guide](/guides/android/migration-guides/pspdfkit-4-4-migration-guide.md) - [Pspdfkit 2024 7 Migration Guide](/guides/android/migration-guides/pspdfkit-2024-7-migration-guide.md) - [Migration guide for Android SDK 4 features](/guides/android/migration-guides/pspdfkit-4-migration-guide.md) - [Pspdfkit 5 1 Migration Guide](/guides/android/migration-guides/pspdfkit-5-1-migration-guide.md) - [Pspdfkit 5 3 Migration Guide](/guides/android/migration-guides/pspdfkit-5-3-migration-guide.md) - [Pspdfkit 5 2 Migration Guide](/guides/android/migration-guides/pspdfkit-5-2-migration-guide.md) - [Migrate to Nutrient 3.0 with ease](/guides/android/migration-guides/pspdfkit-3-migration-guide.md) - [Pspdfkit 5 5 Migration Guide](/guides/android/migration-guides/pspdfkit-5-5-migration-guide.md) - [Pspdfkit 6 1 Migration Guide](/guides/android/migration-guides/pspdfkit-6-1-migration-guide.md) - [Pspdfkit 5 Migration Guide](/guides/android/migration-guides/pspdfkit-5-migration-guide.md) - [Pspdfkit 3 1 Migration Guide](/guides/android/migration-guides/pspdfkit-3-1-migration-guide.md) - [Pspdfkit 6 2 Migration Guide](/guides/android/migration-guides/pspdfkit-6-2-migration-guide.md) - [Pspdfkit 6 3 Migration Guide](/guides/android/migration-guides/pspdfkit-6-3-migration-guide.md) - [Pspdfkit 7 Migration Guide](/guides/android/migration-guides/pspdfkit-7-migration-guide.md) - [Pspdfkit 6 6 Migration Guide](/guides/android/migration-guides/pspdfkit-6-6-migration-guide.md) - [Pspdfkit 6 Migration Guide](/guides/android/migration-guides/pspdfkit-6-migration-guide.md) - [Pspdfkit 8 7 Migration Guide](/guides/android/migration-guides/pspdfkit-8-7-migration-guide.md) - [Pspdfkit 6 4 Migration Guide](/guides/android/migration-guides/pspdfkit-6-4-migration-guide.md) - [Pspdfkit 8 Migration Guide](/guides/android/migration-guides/pspdfkit-8-migration-guide.md) - [Pspdfkit 8 6 Migration Guide](/guides/android/migration-guides/pspdfkit-8-6-migration-guide.md) - [Pspdfkit 8 8 Migration Guide](/guides/android/migration-guides/pspdfkit-8-8-migration-guide.md) - [Pspdfkit 8 9 Migration Guide](/guides/android/migration-guides/pspdfkit-8-9-migration-guide.md) - [Upgrading](/guides/android/advanced-integration/upgrading.md) - [PDF search library for Android](/guides/android/search.md) - [Saving a PDF file on Android](/guides/android/save-a-document.md) - [How to save documents as PDFs on Android](/guides/android/save-a-document/save-as.md) - [Incremental PDF saving on Android](/guides/android/faq/growing-pdf-file-size.md) - [Auto saving PDF files on Android](/guides/android/features/document-checkpointing.md) - [Save PDFs to local storage on Android](/guides/android/save-a-document/to-local-storage.md) - [Save PDFs to a custom data provider on Android](/guides/android/save-a-document/to-custom-data-provider.md) - [Save PDFs to Document Engine on Android](/guides/android/save-a-document/to-document-engine.md) - [Save PDFs to a remote server on Android](/guides/android/save-a-document/to-remote-server.md) - [Easily fill and sign PDF forms on Android](/guides/android/signatures/fill-and-sign-forms.md) - [Android PDF signature library](/guides/android/signatures.md) - [Understanding electronic and digital signatures](/guides/android/signatures/overview.md) - [Customizing PDF viewer styling on Android](/guides/android/customizing-the-interface/appearance-styling.md) - [Customizing the form editing toolbar on Android](/guides/android/customizing-the-interface/using-form-ui-within-fragment.md) - [Customizing our PDF viewer on Android](/guides/android/user-interface.md) - [Localization: Change languages in our Android PDF viewer](/guides/android/features/localization.md) - [Hide or customize scrollbars in our Android viewer](/guides/android/customizing-the-interface/scrollbars.md) - [Customizing dialog modals on Android](/guides/android/customizing-the-interface/modal-dialogs-styling.md) - [Customizing the note editor on Android](/guides/android/customizing-the-interface/customizing-the-note-editor.md) - [Customize toolbar menus on Android](/guides/android/customizing-the-interface/customizing-menus.md) - [Customizing the electronic signature UI on Android](/guides/android/customizing-the-interface/configuring-the-signaturepickerfragment.md) - [Overlay views on Android](/guides/android/features/overlay-views.md) - [Separate the document info view in our Android viewer](/guides/android/user-interface/separate-document-info.md) - [Show or hide the UI in our Android viewer](/guides/android/customizing-the-interface/user-interface-visibility.md) - [Customizing the thumbnail file viewer on Android](/guides/android/customizing-the-interface/customizing-the-thumbnail-bar.md) - [Android image viewer library](/guides/android/viewer/images.md) - [Create efficient Android PDF viewers for apps](/guides/android/viewer/java.md) - [Fast and feature-rich PDF viewer for Android apps](/guides/android/viewer/kotlin.md) - [Customizing page navigation in our Android PDF viewer](/guides/android/basics/document-interactions.md) - [Mastering PDF permissions in Android apps](/guides/android/viewer/permissions.md) - [Configuring scroll directions and page transitions in our Android viewer](/guides/android/customizing-the-interface/document-presentation-options.md) - [Enhance your Android PDF viewer with JavaScript support](/guides/android/features/javascript.md) - [Android PDF iewer troubleshooting](/guides/android/viewer/troubleshooting.md) - [Selecting text in Android PDF viewer](/guides/android/features/text-selection.md) - [Using the view state to display PDFs on Android](/guides/android/view-management/store-load-view-state.md) - [Customizing zoom options in our Android PDF viewer](/guides/android/miscellaneous/zooming.md) - [Android PDF viewer library](/guides/android/viewer.md) - [Define annotation behavior with flags on Android](/guides/android/annotations/annotation-flags.md) - [Programmatically create annotations on Android](/guides/android/annotations/programmatically-creating-annotations.md) - [Copy and paste annotations on Android](/guides/android/features/copy-paste.md) - [Z-Index for annotation stacking order on Android](/guides/android/annotations/annotation-z-index.md) - [Embed or attach a file to a PDF on Android](/guides/android/annotations/file-annotations.md) - [Detect if an annotation has changed on Android](/guides/android/annotations/create-edit-and-remove/detect-changes.md) - [Disabling annotation editing on Android](/guides/android/annotations/configuring-annotation-editing.md) - [Undo and redo annotations on Android](/guides/android/features/undo-redo.md) - [Set annotation author names on Android easily](/guides/android/annotations/annotation-author-name.md) - [Enhance your image annotation experience](/guides/android/features/image-document-standard.md) - [Simplify image annotation with Android SDK](/guides/android/annotations/annotate-images.md) - [Hiding annotations on Android](/guides/android/annotations/configuring-editablevisible-annotation-types.md) - [Store custom data in annotations on Android](/guides/android/annotations/custom-data-in-annotations.md) - [JavaScript support in annotations on Android](/guides/android/miscellaneous/javascript-api.md) - [Configure PDF annotations in Android](/guides/android/annotations/annotation-configuration.md) - [Customizing the note icon on Android](/guides/android/annotations/customize-annotation-rendering.md) - [Enhance PDF annotation with custom appearance streams](/guides/android/annotations/appearance-streams.md) - [Import and export PDF annotations from XFDF Files on Android](/guides/android/importing-exporting/xfdf-support.md) - [Seamlessly import and export PDF annotations](/guides/android/annotations/import-and-export/instant-json.md) - [Effortlessly manage PDF annotations on Android](/guides/android/annotations/import-and-export/document-engine.md) - [Choosing the right annotation format for Android](/guides/android/annotations/introduction-to-annotations/data-formats.md) - [Retrieve or set the annotation bounding box on Android](/guides/android/annotations/position-and-size.md) - [Supported PDF annotation Types on Android](/guides/android/annotations/introduction-to-annotations/annotation-types.md) - [What are PDF annotations?](/guides/android/annotations/introduction-to-annotations/what-are-annotations.md) - [PDF annotation actions on Android](/guides/android/annotations/pdf-actions.md) - [Add link annotations to PDFs on Android](/guides/android/annotations/link-annotations.md) - [Embedding video annotations into PDFs on Android](/guides/android/annotations/video-annotations.md) - [Add multimedia annotations to PDFs on Android](/guides/android/annotations/multimedia-annotations.md) - [Create and embed sound annotations in PDFs on Android](/guides/android/annotations/sound-annotations.md) - [Embed annotations in a PDF file on Android](/guides/android/annotations/save/embed-into-pdf.md) - [Auto save PDF annotations on Android](/guides/android/annotations/annotation-and-bookmark-saving-triggers.md) - [Save PDF annotations on Android](/guides/android/annotations/annotation-saving-mechanism.md) - [Save PDF annotations to an external source on Android](/guides/android/annotations/save/to-external-source.md) - [How to effectively resolve annotation conflicts in Android](/guides/android/annotations/synchronization/conflict-resolution.md) - [Synchronizing annotations on Android](/guides/android/annotations/synchronization.md) - [Efficiently store annotation data on Android](/guides/android/annotations/synchronization/storing-annotation-data.md) - [Custom image stamp annotations on Android](/guides/android/annotations/image-annotations.md) - [PDF stamp annotations on Android](/guides/android/annotations/stamp-annotations-configuration.md) - [Annotation Overlay Mode](/guides/android/annotations/annotation-overlay-mode.md) - [Edit PDF metadata on Android](/guides/android/customizing-pdf-pages/customizing-document-metadata.md) - [Change the document title in the PDF metadata on Android](/guides/android/customizing-the-interface/changing-the-document-title.md) - [Rotating PDF pages on Android](/guides/android/editor/page-manipulation/rotate.md) - [Scale or resize PDFs on Android](/guides/android/editor/page-manipulation/scale-or-resize.md) - [Move or copy PDF pages on Android](/guides/android/editor/page-manipulation/move-or-copy.md) - [Removing pages from a PDF on Android](/guides/android/editor/page-manipulation/remove.md) - [Cropping PDF pages on Android](/guides/android/editor/page-manipulation/crop.md) - [Attach files to PDF form fields on Android](/guides/android/forms/fill-form-fields/attach-a-file.md) - [Detect user input in Android PDF forms](/guides/android/forms/fill-form-fields/detect-user-input.md) - [Detecting user clicks in PDF form elements on Android](/guides/android/forms/fill-form-fields/detect-clicks.md) - [Undo and redo for PDF forms on Android](/guides/android/forms/fill-form-fields/undo-and-redo.md) - [Fill PDF form fields programmatically on Android](/guides/android/forms/form-filling.md) - [Form field support in our Android PDF viewer](/guides/android/forms/fill-form-fields/using-the-ui.md) - [Create fillable PDF forms on Android](/guides/android/forms/form-creation.md) - [Effortlessly add signature fields to PDF forms](/guides/android/forms/create-edit-and-remove/add-signature-field.md) - [PDF form field flags on Android](/guides/android/forms/create-edit-and-remove/form-field-flags.md) - [Disable PDF form editing on Android](/guides/android/forms/create-edit-and-remove/disable-editing.md) - [Submit and save PDF forms to a custom destination](/guides/android/forms/submit-or-save/to-custom.md) - [Embed data into a PDF form on Android](/guides/android/forms/submit-or-save/embed-data-into-pdf.md) - [Auto save PDF forms on Android](/guides/android/forms/submit-or-save/auto-save.md) - [Submit and save PDF forms to an external destination](/guides/android/forms/form-submission.md) - [Submit and save PDF forms to Document Engine on Android](/guides/android/forms/submit-or-save/to-document-engine.md) - [Supported PDF form fields on Android](/guides/android/forms/introduction-to-forms.md) - [Understanding interactive PDF forms and their benefits](/guides/android/forms/introduction-to-forms/what-are-forms.md) - [Efficiently store PDF form data on Android](/guides/android/forms/introduction-to-forms/data-formats.md) - [Customize your Jetpack Compose toolbar easily](/guides/android/jetpack-compose/components/main-toolbar.md) - [Streamline document discussions with Instant Comments](/guides/android/json/schema/comments.md) - [Sync PDF form field values using Instant JSON](/guides/android/json/schema/form-field-values.md) - [Understanding Instant JSON action types](/guides/android/json/schema/actions.md) - [Understanding Instant JSON attachments and schemas](/guides/android/json/schema/file-attachments.md) - [Create and manage PDF bookmarks with Instant JSON](/guides/android/json/schema/bookmarks.md) - [Instant JSON format for PDF annotations explained](/guides/android/json/schema/annotations.md) - [Effective guidelines for PDF form field types](/guides/android/json/schema/form-fields.md) - [Document Title Styling](/guides/android/prebuilt-solutions/common-use-cases/document-title-styling.md) - [Retrieving Highlighted Text](/guides/android/prebuilt-solutions/common-use-cases/retrieving-highlighted-text.md) - [Text Markup Annotations](/guides/android/annotations/text-markup-annotations.md) - [Changing Configuration At Runtime](/guides/android/customizing-the-interface/changing-configuration-at-runtime.md) - [Document Sharing](/guides/android/miscellaneous/document-sharing.md) - [Search PDF annotations on Android](/guides/android/search/search-in-a-pdf/annotation-search.md) - [Search for text in PDFs on Android](/guides/android/features/text-search.md) - [PDF search matching options on Android](/guides/android/search/indexed-full-text-search/matching-options.md) - [Indexing PDF documents on Android](/guides/android/features/indexed-full-text-search.md) - [Robust digital signature support on Android](/guides/android/signatures/digital-signatures/supported-methods.md) - [Understanding digital signatures in Android apps](/guides/android/signatures/digital-signatures/overview.md) - [Troubleshoot digital signatures on Android devices](/guides/android/signatures/digital-signatures/troubleshooting.md) - [Understanding PAdES and CAdES digital signatures](/guides/android/signatures/digital-signatures/standards.md) - [How to save and store electronic signatures on Android](/guides/android/signatures/signature-storage.md) - [How to add electronic signatures to PDFs on Android](/guides/android/signatures/adding-an-electronic-signature.md) - [eSign PDFs with a certificate on Android](/guides/android/signatures/using-electronic-signatures-and-digital-signatures-together.md) - [Understanding digital signature validation states](/guides/android/signatures/troubleshooting/chain-of-certs-not-valid.md) - [How to maintain valid digital signatures on Android](/guides/android/signatures/troubleshooting/multi-signatures-previous-not-valid.md) - [Java Lang Noclassdeffounderror](/guides/android/troubleshooting/java-lang-noclassdeffounderror.md) - [Image size too big](/guides/android/troubleshooting/errors-and-warnings/image-size-too-big.md) - [Abi Set Not Compatible](/guides/android/troubleshooting/abi-set-not-compatible.md) - [Vfy Warnings](/guides/android/troubleshooting/vfy-warnings.md) - [Multidex](/guides/android/miscellaneous/multidex.md) - [Gradle Peer Not Authenticated](/guides/android/troubleshooting/gradle-peer-not-authenticated.md) - [Out Of Memory Build Error](/guides/android/troubleshooting/out-of-memory-build-error.md) - [Initializing Pspdfkit](/guides/android/basics/initializing-pspdfkit.md) - [Getting The Currently Used Version](/guides/android/license-issues/getting-the-currently-used-version.md) - [Updates Have Expired](/guides/android/license-issues/updates-have-expired.md) - [Easily add a license key to your Android app](/guides/android/troubleshooting/license/add-license-key.md) - [Using The License Key In Other Languages](/guides/android/license-issues/using-the-license-key-in-other-languages.md) - [What Is A Bundle Id](/guides/android/faq/what-is-a-bundle-id.md) - [Efficient PDF rendering solutions for Android](/guides/android/troubleshooting/complexities-of-rendering-pdfs.md) - [Outdated Render Cache](/guides/android/rendering-issues/outdated-render-cache.md) - [Changing The Font Size Or Color Of Page Text](/guides/android/customizing-pdf-pages/changing-the-font-size-or-color-of-page-text.md) - [How to ensure your PDF fonts are embedded correctly](/guides/android/rendering-issues/inconsistent-fonts.md) - [Inconsistent Labels](/guides/android/rendering-issues/inconsistent-labels.md) - [Understanding XFA vs AcroForms in PDFs](/guides/android/rendering-issues/pspdfkit-doesnt-show-the-pdf-form.md) - [Make sure to replace :app with the name of your Android app or library module.](/guides/android/troubleshooting/androidx-migration.md) - [Layout Problems](/guides/android/troubleshooting/layout-problems.md) - [R8 Retracing](/guides/android/troubleshooting/miscellaneous/r8-retracing.md) - [Assuming the crash report came from an arm64 device.](/guides/android/troubleshooting/bug-reporting.md) - [Path Traversal Vulnerability](/guides/android/announcements/path-traversal-vulnerability.md) - [Controlling Pdf Editing](/guides/android/features/controlling-pdf-editing.md) - [Annotation editing on Android](/guides/android/user-interface/contextual-toolbars/annotation-editing.md) - [Customizing the PDF editing toolbar on Android](/guides/android/features/document-editor.md) - [Customizing the annotation creation toolbar in our Android PDF viewer](/guides/android/annotations/custom-annotation-editing-controls.md) - [Effortlessly customize text selection in Android](/guides/android/user-interface/contextual-toolbars/text-selection.md) - [Customizing toolbars in our Android PDF viewer](/guides/android/customizing-the-interface/customizing-the-toolbar.md) - [Using contextual toolbars within PdfFragment](/guides/android/customizing-the-interface/using-toolbars-within-fragment.md) - [Building an activity around the PdfFragment](/guides/android/customizing-the-interface/building-an-activity-around-the-pdffragment.md) - [Extending PdfActivity with custom activities](/guides/android/customizing-the-interface/extending-pdfactivity.md) - [Enabling the annotation inspector on Android](/guides/android/annotations/annotation-inspector.md) - [Using property inspectors within PdfFragment](/guides/android/customizing-the-interface/using-inspectors-within-fragment.md) - [Enabling the form inspector on Android](/guides/android/user-interface/property-inspectors/form-inspector.md) - [Text-to-speech for our Android viewer](/guides/android/features/text-to-speech.md) - [Accessibility support for our Android PDF viewer](/guides/android/viewer/accessibility/features.md) - [PDF display options on Android with PdfFragment](/guides/android/basics/using-fragment.md) - [Load PDF documents on Android with PdfDocument class](/guides/android/basics/using-pdfdocument.md) - [Display PDFs on Android with PdfActivity](/guides/android/basics/using-activity.md) - [Customize PDF fonts for Android applications](/guides/android/features/custom-fonts.md) - [Drawing content above displayed documents](/guides/android/features/drawable-api.md) - [PDF renderer library for Android](/guides/android/features/rendering-pdf-pages.md) - [Rendering annotations on Android](/guides/android/annotations/rendering-annotations.md) - [Coordinate space conversion](/guides/android/faq/coordinate-spaces.md) - [Render PDF forms on Android](/guides/android/viewer/rendering/pdf-forms.md) - [Customize the rendering resolution in our Android viewer](/guides/android/features/low-res-render-api.md) - [Optimize pdf viewing with android reader view](/guides/android/features/reader-view.md) - [Opening multiple PDFs in our Android viewer](/guides/android/features/working-with-multiple-documents.md) - [Right-to-left (RTL) support in our Android PDF viewer](/guides/android/miscellaneous/page-bindings.md) - [Enable night theme in Android PDF viewer](/guides/android/viewer/viewing-options/night-theme.md) - [How to add signature fields to PDFs on Android](/guides/android/signatures/digital-signatures/signature-lifecycle/add-a-signature-field.md) - [External signing services on Android](/guides/android/signatures/digital-signatures/signature-lifecycle/external-signing-service.md) - [Biometric signatures on Android](/guides/android/signatures/digital-signatures/signature-lifecycle/biometric.md) - [Configure digital signature appearance in Android: Visible vs. non-visible signatures](/guides/android/signatures/digital-signatures/signature-lifecycle/signature-appearance.md) - [Sign a PDF with a certificate on Android](/guides/android/features/digital-signatures.md) - [Securely validate digital signatures in Android apps](/guides/android/signatures/digital-signatures/signature-lifecycle/validation.md) - [How to create and validate digital signatures on Android](/guides/android/signatures/digital-signatures/signature-lifecycle/prepare-the-certificates-for-signing.md) - [Master digital signatures in Android efficiently](/guides/android/signatures/digital-signatures/signature-lifecycle/overview.md) - [Compose Image Document](/guides/android/samples/compose-image-document-kotlin.md) - [Custom Form Highlight Color](/guides/android/samples/custom-form-highlight-color-java.md) - [Application Policy](/guides/android/samples/application-policy-kotlin.md) - [Digital Signature (Basic)](/guides/android/samples/digital-signature-basic-kotlin.md) - [Custom Page Templates](/guides/android/samples/custom-page-templates-java.md) - [Disabled Annotation Property](/guides/android/samples/disabled-annotation-property-java.md) - [JavaScript Calculator](/guides/android/samples/javascript-calculator-kotlin.md) - [Image Document](/guides/android/samples/image-document-kotlin.md) - [JavaScript Form Filling](/guides/android/samples/javascript-form-filling-kotlin.md) - [Password Protected PDF](/guides/android/samples/password-protected-pdf-kotlin.md) - [Merge Documents](/guides/android/samples/merge-documents-kotlin.md) - [Annotation Rendering](/guides/android/samples/annotation-rendering-kotlin.md) - [XFDF Import/Export](/guides/android/samples/xfdf-import-export-kotlin.md) - [Watermarks](/guides/android/samples/watermarks-kotlin.md) - [Custom Main Toolbar](/guides/android/samples/custom-main-toolbar-kotlin.md) - [Compose Navigation](/guides/android/samples/compose-navigation-kotlin.md) - [Custom Activity Toolbars](/guides/android/samples/custom-activity-toolbars-java.md) - [Custom Data Provider](/guides/android/samples/custom-data-provider-kotlin.md) - [Custom ActionBar Actions](/guides/android/samples/custom-actionbar-actions-kotlin.md) - [Custom Download Dialog](/guides/android/samples/custom-download-dialog-java.md) - [Custom Layout](/guides/android/samples/custom-layout-kotlin.md) - [Custom Activity Form Editing](/guides/android/samples/custom-activity-form-editing-java.md) - [Custom Toolbar Grouping](/guides/android/samples/custom-toolbar-grouping-java.md) - [Digital Signature (Two-Step)](/guides/android/samples/digital-signature-two-step-kotlin.md) - [Custom Note Hinter](/guides/android/samples/custom-note-hinter-kotlin.md) - [Custom Search UI (Compose)](/guides/android/samples/custom-search-ui-compose-kotlin.md) - [Custom Outline Provider](/guides/android/samples/custom-outline-provider-kotlin.md) - [Digital Signature (Manual)](/guides/android/samples/digital-signature-manual-kotlin.md) - [Custom Stamp Annotations](/guides/android/samples/custom-stamp-annotations-java.md) - [Annotation Flags](/guides/android/samples/annotation-flags-kotlin.md) - [Custom Sharing Dialog](/guides/android/samples/custom-sharing-dialog-java.md) - [Digital Signature (Third-Party)](/guides/android/samples/digital-signature-third-party-kotlin.md) - [Annotation Configuration](/guides/android/samples/annotation-configuration-kotlin.md) - [Custom Sharing Menu](/guides/android/samples/custom-sharing-menu-java.md) - [Document Switcher](/guides/android/samples/document-switcher-java.md) - [Document Download](/guides/android/samples/document-download-kotlin.md) - [Document from Canvas](/guides/android/samples/document-from-canvas-kotlin.md) - [DocumentView Composable](/guides/android/samples/documentview-composable-kotlin.md) - [File Annotation Creation](/guides/android/samples/file-annotation-creation-kotlin.md) - [Dynamic Pages on Scroll](/guides/android/samples/dynamic-pages-on-scroll-kotlin.md) - [Form Creation](/guides/android/samples/form-creation-kotlin.md) - [Document Sharing](/guides/android/samples/document-sharing-java.md) - [Form Filling](/guides/android/samples/form-filling-kotlin.md) - [Inline Search](/guides/android/samples/inline-search-java.md) - [Form Click Intercept (Compose)](/guides/android/samples/form-click-intercept-compose-kotlin.md) - [LTV Signature](/guides/android/samples/ltv-signature-kotlin.md) - [PDF from Image](/guides/android/samples/pdf-from-image-kotlin.md) - [OCR](/guides/android/samples/ocr-kotlin.md) - [Add LTV to Existing Signature](/guides/android/samples/add-ltv-to-existing-signature-kotlin.md) - [Annotation Selection Styling](/guides/android/samples/annotation-selection-styling-kotlin.md) - [Annotations with Transparency](/guides/android/samples/annotations-with-transparency-kotlin.md) - [AI Assistant (Multiple Documents, ViewPager)](/guides/android/samples/ai-assistant-multiple-documents-viewpager-kotlin.md) - [Annotation Overlay](/guides/android/samples/annotation-overlay-java.md) - [Scientific Paper](/guides/android/samples/scientific-paper-kotlin.md) - [Playground](/guides/android/samples/playground-kotlin.md) - [Inline Multimedia](/guides/android/samples/inline-multimedia-kotlin.md) - [PdfFragment](/guides/android/samples/pdffragment-kotlin.md) - [Overlay Visibility](/guides/android/samples/overlay-visibility-kotlin.md) - [Selection Customization](/guides/android/samples/selection-customization-java.md) - [Text Field Suggestions](/guides/android/samples/text-field-suggestions-kotlin.md) - [Signature Storage Database](/guides/android/samples/signature-storage-database-kotlin.md) - [Reader View](/guides/android/samples/reader-view-kotlin.md) - [Try Instant](/guides/android/samples/try-instant-kotlin.md) - [Overlay Views](/guides/android/samples/overlay-views-kotlin.md) - [Custom Annotation Inspector](/guides/android/samples/custom-annotation-inspector-java.md) - [Custom Electronic Signature](/guides/android/samples/custom-electronic-signature-java.md) - [Document Processing](/guides/android/samples/document-processing-kotlin.md) - [Document Comparison](/guides/android/samples/document-comparison-kotlin.md) - [Custom Annotation Creation Toolbar](/guides/android/samples/custom-annotation-creation-toolbar-java.md) - [E-Learning](/guides/android/samples/e-learning-kotlin.md) - [Generate PDF Report](/guides/android/samples/generate-pdf-report-kotlin.md) - [Electronic + Digital Signing](/guides/android/samples/electronic-digital-signing-kotlin.md) - [External Document](/guides/android/samples/external-document-kotlin.md) - [Kiosk Grid](/guides/android/samples/kiosk-grid-kotlin.md) - [AI Assistant (Single Document)](/guides/android/samples/ai-assistant-single-document-kotlin.md) - [Forms with JavaScript](/guides/android/samples/forms-with-javascript-kotlin.md) - [Bookmark Highlighting](/guides/android/samples/bookmark-highlighting-kotlin.md) - [AI Assistant (Multiple Documents, Compose)](/guides/android/samples/ai-assistant-multiple-documents-compose-kotlin.md) - [PdfUiFragment](/guides/android/samples/pdfuifragment-kotlin.md) - [JavaScript Actions](/guides/android/samples/javascript-actions-kotlin.md) - [Instant Document JSON](/guides/android/samples/instant-document-json-kotlin.md) - [Remote URL](/guides/android/samples/remote-url-kotlin.md) - [Programmatic Zoom](/guides/android/samples/programmatic-zoom-kotlin.md) - [Signature Parcelize](/guides/android/samples/signature-parcelize-kotlin.md) - [Sound Extraction](/guides/android/samples/sound-extraction-kotlin.md) - [Split View](/guides/android/samples/split-view-java.md) - [Fragment Runtime Configuration](/guides/android/samples/fragment-runtime-configuration-kotlin.md) - [HTML-to-PDF Conversion](/guides/android/samples/html-to-pdf-conversion-kotlin.md) - [UI View Modes](/guides/android/samples/ui-view-modes-kotlin.md) - [Popup Toolbar Customization](/guides/android/samples/popup-toolbar-customization-kotlin.md) - [Download Progress](/guides/android/samples/download-progress-kotlin.md) - [Thumbnail Bar Modes](/guides/android/samples/thumbnail-bar-modes-kotlin.md) - [Tabbed Documents](/guides/android/samples/tabbed-documents-kotlin.md) - [Vertical Scrollbar](/guides/android/samples/vertical-scrollbar-java.md) - [Runtime Configuration](/guides/android/samples/runtime-configuration-kotlin.md) - [Instant JSON Attachment](/guides/android/samples/instant-json-attachment-kotlin.md) - [Filterable Thumbnail Grid](/guides/android/samples/filterable-thumbnail-grid-kotlin.md) - [Annotation Creation](/guides/android/samples/annotation-creation-kotlin.md) - [Multimedia Annotations](/guides/android/samples/multimedia-annotations-kotlin.md) - [Measurement Tools](/guides/android/samples/measurement-tools-kotlin.md) - [Search Indexing](/guides/android/samples/search-indexing-kotlin.md) - [Annotation Sidebar](/guides/android/samples/annotation-sidebar-kotlin.md) - [Construction Floor Plan](/guides/android/samples/construction-floor-plan-kotlin.md) - [Hide and Reveal Areas](/guides/android/samples/hide-and-reveal-areas-kotlin.md) - [AES Encrypted File](/guides/android/samples/aes-encrypted-file-java.md) - [Tabbed Documents (Persistent)](/guides/android/samples/tabbed-documents-persistent-kotlin.md) - [Custom Search UI (Views)](/guides/android/samples/custom-search-ui-views-java.md) - [Multiple Documents (Compose Pager)](/guides/android/samples/multiple-documents-compose-pager-kotlin.md) - [Screen Reader](/guides/android/samples/screen-reader-java.md)