convert PDF file to byte array in android

Question

i want convert PDF file to byte array in (onActivityResult) I tried several different ways but it didn't work Please answer if anyone knows.

Update :

 case 1212 : if (resultCode == RESULT_OK){ Uri uri = data.getData(); File file = new File(uri.getPath()); int size = (int) file.length(); byte[] bytes = new byte[size]; try { BufferedInputStream buf = new BufferedInputStream(new FileInputStream(file)); buf.read(bytes, 0, bytes.length); buf.close(); } catch (FileNotFoundException e) { Toast.makeText(getApplicationContext(),"FileNotFound",Toast.LENGTH_LONG).show(); e.printStackTrace(); } catch (IOException e) { Toast.makeText(getApplicationContext(),"IOException",Toast.LENGTH_LONG).show(); e.printStackTrace(); } }else Toast.makeText(getApplicationContext(),"خطا!",Toast.LENGTH_LONG).show();

this code show FileNotFound Toast

why would you want to do that? what if your pdf is 10 or 100 MB long? — pskink
– pskink, Commented Sep 3, 2019 at 6:25
uri.getPath() won't return you the file path usually. Use developer.android.com/reference/android/content/… to open stream from Uri, and then read it into byte array. — Vladyslav Matviienko
– Vladyslav Matviienko, Commented Sep 3, 2019 at 6:30

Muhammad Usman Butt · Accepted Answer · 2019-09-03 06:22:06Z

Use Package java.nio.file from java 7

Path pdfFilePath = Paths.get("/file/path/your_file.pdf"); //File path byte[] pdfByteArray = Files.readAllBytes(pdfFilePath );

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