Android Open Source - RadaeePDF-B4A P D F Enc Act

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Back to project page RadaeePDF-B4A.

License

The source code is released under:

Apache License

Java Source Code

package com.radaee.reader;
// w ww  . j  av  a 2 s .  c  o  m
import java.io.File;
import java.io.FileOutputStream;

import com.radaee.pdf.Document;
import com.radaee.pdf.Global;
import com.radaee.pdf.Matrix;
import com.radaee.pdf.Page;
import com.radaee.util.PDFAESEnc;
import com.radaee.util.PDFAESStream;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Bitmap.Config;
import android.os.Bundle;

public class PDFEncAct extends Activity
{
  private PDFAESStream m_stream;
  private Document m_doc;
    private ReaderController m_vPDF = null;
  @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        Global.Init( this );
        
        //encrypt PDF file first
        //the key must 16 bytes long.
        byte[] key = new byte[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10,11,12,13,14,15,16};
        PDFAESEnc.encrypt("/sdcard/src.pdf", "/sdcard/dst.pdf", key);

        //using PDFAESStream to decrypt PDF file.
        m_stream = new PDFAESStream();
        if( !m_stream.open("/sdcard/dst.pdf", key) )
          return;
        m_doc = new Document();
    int ret = m_doc.OpenStream(m_stream, null);
    switch( ret )
    {
    case -1://need input password
      finish();
      break;
    case -2://unknown encryption
      finish();
      break;
    case -3://damaged or invalid format
      finish();
      break;
    case -10://access denied or invalid file path
      finish();
      break;
    case 0://succeeded, and continue
      break;
    default://unknown error
      finish();
      break;
    }
    m_vPDF = new ReaderController(this);
    m_vPDF.open(m_doc);
        setContentView(m_vPDF);
  }
    protected void onDestroy()
    {
      if( m_doc != null )
      {
        m_doc.Close();
        m_doc = null;
      }
      if( m_stream != null )
      {
        m_stream.close();
        m_stream = null;
      }
      Global.RemoveTmp();
      super.onDestroy();
    }
}

Java Source Code List

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