[Flutter] How to Implement Text Selection, Highlighting, Bookmarking, and Line Connection in...

I am developing an Android application where I need to implement the following features for working with PDFs:

1. Text Selection and Highlighting: Allow users to select text within a PDF document and highlight it.
2. Bookmark Creation: Automatically create a bookmark for any text that is highlighted.
3. Line Connection from Bookmark to Highlighted Text: Draw a line from the bookmark to the highlighted text to visually connect them.

see this image

• The solution should be compatible with Android devices.
• I have already tried libraries like PDFBox, MuPDF, and iText, but I did not achieve the desired results.

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