Android Open Source - egotrip Tools

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License

The source code is released under:

Apache License

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Java Source Code

package net.myegotrip.egotrip;
//w  w w .j  a  v  a2s . c o  m
import java.util.Date;

public class Tools {
  
  /**
   * return a string in the form:
   * "x sec" , if timediff to now is < 1minute
   * "x min", if timediff is < 1 hour
   * "x h y min", if timediff < 1 day
   * "x d y h", if timediff >=1day
   * @param when
   * @return
   */
  public static String howLongAgo(long timestamp){
    if (timestamp==0){
      return "never";
    }
    
    long now=System.currentTimeMillis();
    long diff=Math.abs(now-timestamp);
    long diffseconds=diff/1000;
    
    if (diffseconds<60){
      return diffseconds+ " s";
    }
    
    if (diffseconds<3600){
      long minutes=diffseconds/60;
        return minutes+" min";
    }
    
    if (diffseconds<(24*3600)){
      long hours=diffseconds/3600;
      long minutes=(diffseconds%3600)/60;
      
      StringBuffer sb=new StringBuffer();
      sb.append(hours);
      sb.append(" h");

      sb.append(" ");
      
      sb.append(minutes);
      sb.append(" min");
      return sb.toString();
    }
    
    
    long days=diffseconds/(3600*24);
    long hours=(diffseconds%(3600*24))/3600;
    
    StringBuffer sb=new StringBuffer();
    sb.append(days);
    sb.append(" d");
    sb.append(" ");
    
    sb.append(hours);
    sb.append(" h");
    return sb.toString();
    
  }
  
  
  public static String howLongAgo(Date when){
    long then = when.getTime();
    return howLongAgo(then);
  }
}

Java Source Code List