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Published 8 hours ago
SDKFlutter
PlatformAndroidiOS
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Metadata

A high-performance PDF viewer for Flutter with support for Arabic text rendering, RTL reordering, and advanced annotations (draw, text, highlight, underline) with snap-to-text.

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Changelog #

0.11.0 #

  • Enhanced Search: Significantly improved Arabic text search accuracy with advanced normalization, character form handling (ligatures, presentation forms), and sophisticated regex patterns.
  • Highlights & Annotations: Refactored Android text annotations to use an overlay system for better control over positioning and resizing.
  • Annotation Precision: Fixed text annotation commit positions to ensure saved coordinates precisely match the overlay position.

0.10.0 #

  • iOS Crash Fix: Fixed critical iOS crash when highlighting or underlining image-based PDFs (scanned documents without text layers).
  • Exception Handling: Implemented Objective-C exception handlers to safely catch and handle PDFKit exceptions that Swift cannot catch.
  • Stability: Added proactive text content detection before attempting selection operations to prevent crashes at the Objective-C level.

0.9.0 #

  • Color Selection: Added dynamic color selection for all drawing tools (Draw, Highlight, Underline, Text).
  • Interaction: Support for double-clicking/tapping an active tool button to open the color selection dialog.
  • Color Picker: New bottom sheet dialog with 6 default colors and a custom color palette (+ button).
  • Text Color Support: Added textColor to PdfViewerConfig to customize the default color for text annotations.
  • Configuration: New configuration options enableColorSelection and tool-specific default color lists.
  • Fix: Resolved UI sync issue where the color picker did not reflect the currently active color.

0.8.0 #

  • Text Search: Full-text search support on Android (PDFBox) and iOS (PDFKit) with native highlighting and navigation.
  • Search UI: Integrated search bar in the toolbar with a loading indicator, real-time result counting, and auto-focus.
  • Search Navigation: Smooth navigation between search results with "Next" and "Previous" actions.
  • Localization: Full internationalization for the entire toolbar (Pan, Draw, Highlight, Underline, Search, etc.) in English and Arabic.
  • Android Engine: Restructured native binding to resolve compilation errors and optimized memory usage for text extraction.
  • UI/UX Polish: Improved toolbar adaptive styling and resolved multiple lint issues.

0.7.0 #

  • Bookmarks System: Complete bookmark management (save, view, delete) with persistent storage implementation.

  • Internationalization (i18n): Full support for English and Arabic languages, including automatic RTL layout and translated UI strings.

  • Smart SnackBar: New overlay-based toast notification system with custom "Slide Up" animations and guaranteed dismissal.

  • Page Tracking: Added onPageChanged callback and getCurrentPage() method for real-time page position tracking.

  • UI Enhancements: Improved dialogs and loading indicators with adaptive designs for Android and iOS.

  • Android Crash Fix: Fixed critical OutOfMemoryError and crashes when interacting with or saving large PDF files (>10MB).

  • Memory Optimization: Implemented strict single-document memory strategy and aggressive resource cleanup for Android saves.

  • Performance: Optimized text snapping and drawing on Android using background serialization to prevent UI lag.

0.6.1 #

  • Page Counter: Added enablePageNumber to PdfViewerConfig to show page numbers on Android (below page) and iOS (on page footer).
  • iOS Security: Disabled text selection actions (Copy, Paste, Look Up, Share, etc.) for better content security.
  • iOS UI: Fixed reversed page numbering on iOS.

0.6.0 #

  • Fix Android Bug: Fix Crashed on Android when render pdf

0.5.1 #

  • iOS Undo/Redo Fix: Fixed undo/redo functionality on iOS for all annotation types (drawing, highlights, underlines) by implementing proper annotation reference management with page indices.
  • iOS Initial Zoom: Fixed initial zoom level on iOS to properly set to 0.5 (50%) by disabling auto-scaling and setting zoom after document loads.

0.5.0 #

  • Secure PDF Loading: Implemented useCache: false to support secure PDF loading where the file is downloaded to a temporary location and immediately deleted after opening, ensuring no persistent copy remains on the device.

0.4.0 #

  • Jump to Page: Added jumpToPage method to AdvancedPdfViewerController for programmatic navigation to specific pages.
  • Save PDF: Added savePdf method to AdvancedPdfViewerController for saving annotated PDFs to local storage.
  • Highlight: Added highlightText method to AdvancedPdfViewerController for highlighting text in the PDF.
  • Underline: Added underlineText method to AdvancedPdfViewerController for underlining text in the PDF.
  • Text Note: Added addTextAnnotation method to AdvancedPdfViewerController for adding text notes to the PDF.
  • Draw: Added drawOnPage method to AdvancedPdfViewerController for drawing on the PDF.

0.3.0 #

  • Performance Optimization: PDF saving now runs on background threads (Android & iOS) to prevent UI blocking.
  • Adaptive UI: Toolbar icons are now platform-adaptive, providing a native look and feel on both iOS and Android.
  • Lifecycle Management: Added dispose() method to AdvancedPdfViewerController for proper resource cleanup.
  • iOS Stability: Fixed MissingPluginException for setScrollLocked and improved scroll-lock behavior on iOS.

0.1.0 #

  • Initial Release with robust PDF viewing and annotation features.
  • Arabic Support: Full Arabic character joining (shaping) and BiDi reordering for RTL text.
  • Advanced Annotations: Support for Drawing (pen), Text Notes, Highlights, and Underlines.
  • Snap-to-Text: Highlighting and Underlining automatically snaps to the nearest text line/word.
  • High Performance: Virtualized page rendering (RecyclerView on Android) for smooth browsing of large PDF documents.
  • Customization: Flexible PdfViewerConfig for colors, toolbar options, and full-screen modes.
  • Persistence: Save annotated PDFs to local storage with font embedding for mixed language (Arabic/Latin) support.

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Metadata

A high-performance PDF viewer for Flutter with support for Arabic text rendering, RTL reordering, and advanced annotations (draw, text, highlight, underline) with snap-to-text.

Repository (GitHub)
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Documentation

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License

MIT (license)

Dependencies

crypto, flutter, http, path_provider, plugin_platform_interface, shared_preferences

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