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TOPIC: Xamarin android - missing binding for PDFReader

Xamarin android - missing binding for PDFReader 1 year 6 months ago #12433

  • petcha
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Hi,

I'm trying to implement the PDFReader in a xamarin android project.
However I cannot find a reference to the PDFReader class anywhere in the lib.
Does the C# binding to the PDFReader in the java lib still need to implemented?
Or is there another way of achieving the same?

Thank you

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Xamarin android - missing binding for PDFReader 1 year 6 months ago #12435

  • nermeen
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PDFReader is deprecated since version 3.9 (has limits for performance and memory usage), we recommend to use PDFLayout instead.

For a guide, you can check:

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Xamarin android - missing binding for PDFReader 1 year 6 months ago #12437

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Thank you for quick response.

I have tried the RadaeePDFManager.Show() method, but that creates a new activity.
My requirement is to access the reader's View in order to display it within a fragment view.

I have also tried to use the PDFLayoutView class, from which I was able to set as the fragment's View, but the pdf displays as blank white pages.

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Xamarin android - missing binding for PDFReader 1 year 6 months ago #12438

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Using PDFLayoutView should be the correct way.
Can you share how extactly are you including it, to check why you see blank pages?

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Xamarin android - missing binding for PDFReader 1 year 6 months ago #12439

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In the fragment's OnResume method I open the file from internal storage with PDFFileStream.

the variables for is_open, size, result_open, all indicate that the file was successfully loaded.

public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
    pdfLayoutView = new PDFLayoutView(Context);
    return pdfLayoutView;
}

public override void OnResume()
{
    base.OnResume();
    var path = "/data/user/0/com.myproject.android/files/1/Documents/TestDoc.pdf"
    showDocument(path);
}

public void showDocument(string path)
{
    Global.Init(Context);

    PDFFileStream fileStream = new PDFFileStream();
    bool is_open = fileStream.Open(path);
    int size = fileStream.Get_size();

    Document pdfDoc = new Document();
    int result_open = pdfDoc.OpenStream(fileStream, "");
    bool result_cache = pdfDoc.SetCache(Global.TmpPath + "/temp.dat");

    pdfLayoutView.PDFOpen(pdfDoc, this);
}

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Xamarin android - missing binding for PDFReader 1 year 6 months ago #12444

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We have tried your same code, and the pdf if rendered correctly.

Can you try with different documents? also from sdcard?
Attachments:

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Last edit: by nermeen.
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