pdf-reader

Android pdf reader

由 前提是你 提交于 2019-12-01 05:01:33
问题 I want to use Android pdf library http://andpdf.sourceforge.net/, but i have same error. Log: ST='file 'no file selected' not found' ST='reading page 1, zoom:1.0' My classes: public class Reader extends PdfViewerActivity { public int getPreviousPageImageResource() { return R.drawable.left_arrow; } public int getNextPageImageResource() { return R.drawable.right_arrow; } public int getZoomInImageResource() { return R.drawable.zoom_in; } public int getZoomOutImageResource() { return R.drawable

Get the 1st page of a pdf as Image from the Byte Array of the pdf

由 一曲冷凌霜 提交于 2019-11-30 21:02:22
问题 I am getting a pdf in byte array . I want to convert just the 1st page of the pdf into image . I have tired the classes provided by com.lowagie.text.pdf as follows - PdfReader reader = new PdfReader(input); reader.selectPages("1"); File file = new File("D:/img1.jpg"); BufferedImage pdfImage = ImageIO.read(new ByteArrayInputStream(reader.getPageContent(1))); ImageIO.write(pdfImage, "jpg", file); Doing this gives me an Exception when ImageIO.write is called? When I fetch the size of the byte

How to check if a PDF is Password Protected or not

由 自作多情 提交于 2019-11-30 17:46:36
问题 I am trying to use iText's PdfReader to check if a given PDF file is password protected or not, but am getting this exception: Exception in thread "Main Thread" java.lang.NoClassDefFoundError:org/bouncycastle/asn1/ASN1OctetString But when testing the same code against a non-password protected file it runs fine. Here is the complete code: try { PdfReader pdf = new PdfReader("C:\\abc.pdf"); } catch (IOException e) { e.printStackTrace(); } 回答1: Use Apache PDFBox - Java PDF Library from here:

Android PDF reader from scratch

由 时间秒杀一切 提交于 2019-11-28 16:54:16
I know it sounds ambitious but our client requires a PDF Reader of his own with some selected functionalities. Can anyone guide me to some good tutorials for paving the way to start this development? I guess I need to clear some pdf basics and start from scratch OR i would be happy if there is any library which i can use directly and only modify the controls at my will. In terms of specific Android implementation, I really can't advise you there, I'm afraid. However, there is a lot of PDF viewing software available that is open-source which would allow you to see the underlying code to learn

How to display a PDF in Objective-C? [closed]

由 亡梦爱人 提交于 2019-11-27 18:23:07
How to read and display PDF in Objective-C? If you just want to display it, the easiest way is to load it in a UIWebView. Luke If you want to solely read and display PDFs to users, as the Mail app does on your iOS device with all the scrolling and zooming done for you, then I would use a UIDocumentInteractionController. http://developer.apple.com/library/ios/#documentation/uikit/reference/UIDocumentInteractionController_class/Reference/Reference.html You'll find some useful code in one of my recent questions, here: UIDocumentInteractionController crashing upon exit Hope this helps. Pranav

how can we extract text from pdf using itextsharp with spaces?

由 ▼魔方 西西 提交于 2019-11-27 03:39:56
问题 I am using below method to extract pdf text line by line. But problem that, it is not reading spaces between words and figures. what could be the solution for this ?? I just want to create a list of string, each string in list object has a text line from pdf as it is in pdf including spaces. public void readtextlinebyline(string filename) { List<string> strlist = new List<string>(); PdfReader reader = new PdfReader(filename); string text = string.Empty; for (int page = 1; page <= 1; page++) {

How to display a PDF in Objective-C? [closed]

由 爱⌒轻易说出口 提交于 2019-11-26 19:24:46
问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 6 years ago . How to read and display PDF in Objective-C? 回答1: If you just want to display it, the easiest way is to load it in a UIWebView. 回答2: If you want to solely read and display PDFs to users, as the Mail app does on

How to read pdf in my android application? [closed]

由 主宰稳场 提交于 2019-11-25 23:48:52
问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 7 years ago . I am making an application which require to open pdf. I also have some pdf in asset folder so i am not able to open it in webview
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