Android Open Source - yapea Image Detail Fragment

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License

The source code is released under:

GNU General Public License

Java Source Code

package org.jdamico.yapea;
//ww w . j  a  v a  2s.  c o m
/*
 * This file is part of YAPEA.
 * 
 *    YAPEA is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License (version 2) 
 *    as published by the Free Software Foundation.
 *
 *    YAPEA is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with YAPEA.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import org.jdamico.yapea.commons.Utils;
import org.jdamico.yapea.commons.YapeaException;
import org.jdamico.yapea.crypto.CryptoUtils;
import org.jdamico.yapea.dataobjects.ImageItemObj;

import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

/**
 * A fragment representing a single Image detail screen. This fragment is either
 * contained in a {@link ImageListActivity} in two-pane mode (on tablets) or a
 * {@link ImageDetailActivity} on handsets.
 */
public class ImageDetailFragment extends Fragment {
  /**
   * The fragment argument representing the item ID that this fragment
   * represents.
   */
  public static final String ARG_ITEM_ID = "item_id";

  /**
   * The dummy content this fragment is presenting.
   */
  private ImageItemObj mItem;

  /**
   * Mandatory empty constructor for the fragment manager to instantiate the
   * fragment (e.g. upon screen orientation changes).
   */
  public ImageDetailFragment() {
  }

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    Map<String, ImageItemObj> ITEM_MAP = new HashMap<String, ImageItemObj>();
    
    String yapeaDir = Utils.getInstance().getYapeaImageDir();
    
    File imageDir = new File(yapeaDir);
    
    if(imageDir.exists()){
      
      String[] contents = imageDir.list();
      for (int i = 0; i < contents.length; i++) {
        ITEM_MAP.put(String.valueOf(i+1), new ImageItemObj(contents[i], String.valueOf(i+1)));
      }
      
    } //TODO add exception

    if (getArguments().containsKey(ARG_ITEM_ID)) {
      // Load the dummy content specified by the fragment
      // arguments. In a real-world scenario, use a Loader
      // to load content from a content provider.
      mItem = ITEM_MAP.get(getArguments().getString(ARG_ITEM_ID));
    }
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    View rootView = inflater.inflate(R.layout.fragment_image_detail,
        container, false);

    // Show the dummy content as text in a TextView.
    if (mItem != null) {
      //((TextView) rootView.findViewById(R.id.image_detail)).setText(mItem.getImageName());
      
      
      String yapeaDir = Utils.getInstance().getYapeaImageDir();
      String file = yapeaDir+mItem.getImageName();
      
      
      
      File newfile = new File(file);
      try {
        newfile.createNewFile();
      } catch (IOException e) {
        e.printStackTrace();
      }       


      try {
        byte[] cipherContent = Utils.getInstance().getBytesFromFile(newfile);
        byte[] plainContent = CryptoUtils.getInstance().dec(rootView.getContext(), CryptoUtils.getInstance().retrieveKeyFromCache(rootView.getContext()), cipherContent, Utils.getInstance().getConfigFile(rootView.getContext()).getEncAlgo());
        
        Bitmap bitmap = Utils.getInstance().byteArrayToBitmap(plainContent);
        if(bitmap.getHeight() > 2048 || bitmap.getWidth() > 2048){
          
          int h = 0;
          int w = 0;
          int p = 0;
          if(bitmap.getHeight() >= bitmap.getWidth()){
            p = (bitmap.getWidth() * 100) / bitmap.getHeight();
            h = 2048;
            w = (h*p)/100;
          }else{
            p = (bitmap.getHeight() * 100) / bitmap.getWidth();
            w = 2048;
            h = (w*p)/100;
          }
          
          bitmap = Bitmap.createScaledBitmap(bitmap, w, h, true);
        }
        
        ((ImageView) rootView.findViewById(R.id.image_detail)).setImageBitmap(bitmap);
      } catch (YapeaException e) {
        e.printStackTrace();
      }
      
      
      
      
      //((ImageView) rootView.findViewById(R.id.image_detail)).setImageURI(outputFileUri);
      
    }

    return rootView;
  }
}

Java Source Code List

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