Android Open Source - yapea Yapea Main Activity

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License

The source code is released under:
GNU General Public License
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Java Source Code

package org.jdamico.yapea;
/*from  w ww . j av a2 s . co  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 org.jdamico.yapea.commons.ActivityHelper;
import org.jdamico.yapea.commons.AppMessages;
import org.jdamico.yapea.commons.Constants;
import org.jdamico.yapea.commons.StaticObj;
import org.jdamico.yapea.commons.Utils;
import org.jdamico.yapea.commons.YapeaException;
import org.jdamico.yapea.crypto.CryptoUtils;
import org.jdamico.yapea.dataobjects.ConfigObj;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class YapeaMainActivity extends Activity {

  Button cam_button = null;
  Button gallery_button = null;
  Button config_button = null;
  Boolean isConfigExistent = false;
  TextView chachedMemTv = null;
  String key = null;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_yapea_main);

    
    try {
      key = CryptoUtils.getInstance().retrieveKeyFromCache(getApplicationContext());
    } catch (YapeaException e) {
      Toast.makeText(getApplicationContext(), AppMessages.getInstance().getMessage(e.getMessage()), Toast.LENGTH_LONG).show();
    }

    cam_button = (Button) findViewById(R.id.cam_button);
    gallery_button = (Button) findViewById(R.id.gallery_button);
    config_button = (Button) findViewById(R.id.config_button);
    chachedMemTv = (TextView) findViewById(R.id.mem_key_textView);
    
    cam_button.setText(AppMessages.getInstance().getMessage("GLOBAL.cam_button"));
    gallery_button.setText(AppMessages.getInstance().getMessage("GLOBAL.gallery_button"));
    config_button.setText(AppMessages.getInstance().getMessage("GLOBAL.config_button"));


    Context context = getApplicationContext();
    ConfigObj config = null;
    try {
      config = Utils.getInstance().getConfigFile(context);
    } catch (YapeaException e) {
      Toast.makeText(getApplicationContext(), AppMessages.getInstance().getMessage(e.getMessage()), Toast.LENGTH_LONG).show();
    }
    if(null == config){
      cam_button.setEnabled(false);
      gallery_button.setEnabled(false);
    }else{
      isConfigExistent = true;
      
      
      
      if(key != null  && Utils.getInstance().isAuthenticated(getApplicationContext(), key)) chachedMemTv.setText(AppMessages.getInstance().getMessage("YapeaMainActivity.onCreate.keyInCache"));
      else{
        Intent intent = new Intent(context, YapeaAuthActivity.class);
        startActivityForResult(intent, 0);
      }

      cam_button.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
          if(key != null && Utils.getInstance().isAuthenticated(v.getContext(), key)){
            Intent cameraIntent = ActivityHelper.getInstance().takePicture(v);
            startActivityForResult(cameraIntent, Constants.TAKE_PHOTO_CODE);
          }else{
            Intent intent = new Intent(v.getContext(), YapeaAuthActivity.class);
            startActivityForResult(intent, 0);
          }
        }
      });
    }

    config_button.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        if(!isConfigExistent){
          enterCfg(v);
        }else if(isConfigExistent && key != null && Utils.getInstance().isAuthenticated(v.getContext(), key)){
          enterCfg(v);
        }else{
          Intent intent = new Intent(v.getContext(), YapeaAuthActivity.class);
          startActivityForResult(intent, 0);
        }
      }

      public void enterCfg(View v){
        Intent intent = new Intent(v.getContext(), YapeaConfigActivity.class);
        intent.putExtra("isConfigExistent", isConfigExistent);
        startActivityForResult(intent, 0);
      }
    });

    gallery_button.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {

        if(key != null && Utils.getInstance().isAuthenticated(v.getContext(), key)){
          Intent intent = new Intent(v.getContext(), ImageListActivity.class);
          intent.putExtra("isConfigExistent", isConfigExistent);
          startActivityForResult(intent, 0);
        }else{
          Intent intent = new Intent(v.getContext(), YapeaAuthActivity.class);
          startActivityForResult(intent, 0);
        }

      }
    });

  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    menu.add(AppMessages.getInstance().getMessage("GLOBAL.about"));
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item)
  {
    switch(item.getItemId())
    {
    case 0:
      Intent intent = new Intent(getApplicationContext(), YapeaAboutActivity.class);
      startActivityForResult(intent, 0);
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }

  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    if (requestCode == Constants.TAKE_PHOTO_CODE && resultCode == RESULT_OK) {

      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++) {
          if(contents[i].substring(contents[i].length()-3, contents[i].length()).equalsIgnoreCase("jpg")){

            File f = new File(yapeaDir+contents[i]);
            try {
              byte[] plainContent = Utils.getInstance().getBytesFromFile(f);
              byte[] cipherContent = CryptoUtils.getInstance().enc(getApplicationContext(), key, plainContent, Utils.getInstance().getConfigFile(getApplicationContext()).getEncAlgo());
              Utils.getInstance().byteArrayToFile(cipherContent, yapeaDir+contents[i]+".yapea");
            } catch (YapeaException e) {
              Toast.makeText(getApplicationContext(), AppMessages.getInstance().getMessage(e.getMessage()), Toast.LENGTH_LONG).show();
            }finally{
              f.delete();
            }

          }
        }

      } //TODO add exception

    }else{
      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++) {
          if(contents[i].substring(contents[i].length()-3, contents[i].length()).equalsIgnoreCase("jpg")){

            File f = new File(yapeaDir+contents[i]);
            f.delete();


          }
        }

      } //TODO add exception
    }
  }

  @Override
  public void onBackPressed() {
    
    Intent startMain = new Intent(Intent.ACTION_MAIN);
    startMain.addCategory(Intent.CATEGORY_HOME);
    startMain.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    startActivity(startMain);

  }

}
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