Android Open Source - sigimera-android-app Common

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License

The source code is released under:

GNU General Public License

Java Source Code

/**
 * Sigimera Crises Information Platform Android Client
 * Copyright (C) 2012 by Sigimera/*from w  ww  .j a v  a2 s  .  c  o  m*/
 * All Rights Reserved
 * 
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program 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 this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.sigimera.app.android.util;

import java.math.BigDecimal;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

import org.ocpsoft.pretty.time.PrettyTime;
import org.sigimera.app.android.R;
import org.sigimera.app.android.controller.ApplicationController;
import org.sigimera.app.android.model.Constants;

import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

/**
 * Class which sum all the methods used over different windows.
 * 
 * @author Corneliu-Valentin Stanciu
 * @email corneliu.stanciu@sigimera.org
 */
public class Common {
  
  private static int decimalPlaces = 2;

  /**
   * Share the crisis with your friend and/or the world.
   */
  public static Intent shareCrisis(String crisisID, String shortTitle) {
    Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
    shareIntent.setType("text/plain");
    
    StringBuffer shareContent = new StringBuffer();
    shareContent.append(shortTitle);
    shareContent.append(" - ");
    shareContent.append("http://www.sigimera.org/crises/");
    shareContent.append(crisisID);
    
    shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, shareContent.toString());
    return shareIntent;
  }

  /**
   * Get the crisis icon based on the type of crisis (e.g. earthquake)
   * 
   * @param subject
   * @return
   */
  public static int getCrisisIcon(String subject) {
    if (subject.contains(Constants.FLOOD))
      return R.drawable.flood;
    else if (subject.contains(Constants.EARTHQUAKE))
      return R.drawable.earthquake;
    else if (subject.contains(Constants.CYCLONE))
      return R.drawable.cyclone;
    else if (subject.contains(Constants.VOLCANO))
      return R.drawable.volcano;
    return 0;
  }

  /**
   * Get the crisis icon based on the type of crisis (e.g. earthquake)
   * 
   * @param subject
   * @return
   */
  public static String getCrisisIconURL(String subject) {
    String BASE_URL = "http://www.sigimera.org/img/icons/";
    if (subject.contains(Constants.FLOOD))
      return BASE_URL + "flood_small.png";
    else if (subject.contains(Constants.EARTHQUAKE))
      return BASE_URL + "earthquake_small.png";
    else if (subject.contains(Constants.CYCLONE))
      return BASE_URL + "cyclone_small.png";
    else if (subject.contains(Constants.VOLCANO))
      return BASE_URL + "volcano_small.png";
    return null;
  }

  /**
   * Check if Internet connections are available.
   * 
   * @return
   */
  public static boolean hasInternet() {
    ConnectivityManager cm = (ConnectivityManager) ApplicationController
        .getInstance().getApplicationContext()
        .getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
    if (activeNetwork != null && activeNetwork.isConnected())
      return true;
    else
      return false;
  }

  public static String capitalize(String s) {
    if (s.length() == 0)
      return s;
    return s.substring(0, 1).toUpperCase() + s.substring(1).toLowerCase();
  }

  /**
   * Convert time from milliseconds in time ago.
   * 
   * @param miliseconds
   * @return
   */
  public static String getTimeAgoInWords(long miliseconds) {
    PrettyTime p = new PrettyTime();
    String timeAgo = p.format(new Date(Long.parseLong(miliseconds + "")));
    return timeAgo;
  }
  
  /**
   * Convert time from milliseconds in time ago and split it in two lines
   * 
   * @param miliseconds
   * @return
   */
  public static String getTimeAgoInWordsSplitted(long miliseconds) {
    PrettyTime p = new PrettyTime();
    String timeAgo = p.format(new Date(Long.parseLong(miliseconds + "")));
    timeAgo = timeAgo.replace(" ", "<br/>").replaceFirst("<br/>", " ");
    return timeAgo;
  }
  
  /**
   * Convert date into milliseconds.
   * 
   * @param crisisDate
   * @return
   */
  public static long getMiliseconds(String crisisDate) {      
    try {
      SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm"); 
      Date date = (Date) formatter.parse(crisisDate);
      Calendar cal = Calendar.getInstance();
      cal.setTime(date);      
      return cal.getTimeInMillis();
    } catch (ParseException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }         
    return 0;
  }
  
  public static Date getDate(String crisisDate) {
    try {
      SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm"); 
      Date date = (Date) formatter.parse(crisisDate);
      Calendar cal = Calendar.getInstance();
      cal.setTime(date);      
      return cal.getTime();
    } catch (ParseException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }     
    return null;
  }
  
  public static double transformTwoDecimalDoubleNumber(double number) {
    BigDecimal bigD = new BigDecimal(number);
    bigD = bigD.setScale(decimalPlaces, BigDecimal.ROUND_HALF_UP);
    return bigD.doubleValue();
  }
}

Java Source Code List

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