comment analyser le fichier ics utilisant ICal4j dans android

Question

parse .ics Fichier de calendrier en utilisant Ical4J dans android.i vu le http://ical4j.sourceforge.net/introduction.html. Comment utiliser ce fichier ical4j-1.0-rc3.jar dans mon projet.J'ai besoin d'aide liée à ce plz?

Answer 1

Hey, Just liste config des fichiers jar dans votre projet comme ci-dessous:

1. ical4j-1.0.3.jar
2. commons-logging-1.1.1.jar
3. Communes- lang-2.6.jar
4. commons-io-2.1.jar
5. commons-codec-1.5.jar
6. backport-util-simultanée-3.1.jar

J'espère que cela vous aidera ..!

Voici un exemple de code pour vous:

package com.example.caltest; 

import java.io.File; 
import java.io.FileInputStream; 
import java.io.FileNotFoundException; 
import java.io.FileOutputStream; 
import java.io.IOException; 
import java.net.SocketException; 
import java.net.URI; 
import java.util.GregorianCalendar; 

import net.fortuna.ical4j.data.CalendarBuilder; 
import net.fortuna.ical4j.data.CalendarOutputter; 
import net.fortuna.ical4j.data.ParserException; 
import net.fortuna.ical4j.model.Calendar; 
import net.fortuna.ical4j.model.Component; 
import net.fortuna.ical4j.model.Date; 
import net.fortuna.ical4j.model.ParameterList; 
import net.fortuna.ical4j.model.Property; 
import net.fortuna.ical4j.model.PropertyList; 
import net.fortuna.ical4j.model.TimeZone; 
import net.fortuna.ical4j.model.TimeZoneRegistry; 
import net.fortuna.ical4j.model.TimeZoneRegistryFactory; 
import net.fortuna.ical4j.model.ValidationException; 
import net.fortuna.ical4j.model.component.VEvent; 
import net.fortuna.ical4j.model.component.VTimeZone; 
import net.fortuna.ical4j.model.parameter.Cn; 
import net.fortuna.ical4j.model.parameter.Encoding; 
import net.fortuna.ical4j.model.parameter.Role; 
import net.fortuna.ical4j.model.parameter.Value; 
import net.fortuna.ical4j.model.property.Attach; 
import net.fortuna.ical4j.model.property.Attendee; 
import net.fortuna.ical4j.model.property.CalScale; 
import net.fortuna.ical4j.model.property.ProdId; 
import net.fortuna.ical4j.model.property.Version; 
import net.fortuna.ical4j.util.UidGenerator; 

import org.apache.commons.io.output.ByteArrayOutputStream; 

import android.app.Activity; 
import android.os.Bundle; 
import android.os.Environment; 

public class MainActivity extends Activity { 

    @Override 
    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 

     File file = new File(Environment.getExternalStorageDirectory()+"/1.ics"); 
     FileInputStream fin = null; 
     try { 
      fin = new FileInputStream(file); 
     } catch (FileNotFoundException e) { 
      // TODO Auto-generated catch block 
      e.printStackTrace(); 
     } 
     CalendarBuilder builder = new CalendarBuilder(); 
     Calendar calendar = null; 
     try { 
      calendar = builder.build(fin); 
     } catch (IOException e) { 
      // TODO Auto-generated catch block 
      e.printStackTrace(); 
     } catch (ParserException e) { 
      // TODO Auto-generated catch block 
      e.printStackTrace(); 
     } 
     if (calendar != null) { 
      System.out.println("value :"+calendar); 
      PropertyList plist = calendar.getProperties(); 

      for (Object object : plist.toArray()) { 
       System.out.println("oj :"+object); 
      } 
     } 

     // Generate Event of Christmas Day 
     Calendar mycalendar = new Calendar(); 
     mycalendar.getProperties().add(new ProdId("-//James Bond//iCal4j 1.0//EN")); 
     mycalendar.getProperties().add(Version.VERSION_2_0); 
     mycalendar.getProperties().add(CalScale.GREGORIAN); 

     TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry(); 
     TimeZone timezone = registry.getTimeZone("Asia/Calcutta"); 
     VTimeZone tz = timezone.getVTimeZone(); 

     java.util.Calendar startEvent = new GregorianCalendar(); 
     startEvent.setTimeZone(timezone); 
     startEvent.set(java.util.Calendar.MONTH, java.util.Calendar.JULY); 
     startEvent.set(java.util.Calendar.DAY_OF_MONTH, 21); 
     startEvent.set(java.util.Calendar.YEAR, 2012); 
     startEvent.set(java.util.Calendar.HOUR, 9); 
     startEvent.set(java.util.Calendar.MINUTE, 15); 
     startEvent.set(java.util.Calendar.SECOND, 12); 

     java.util.Calendar entEvent = new GregorianCalendar(); 
     entEvent.setTimeZone(timezone); 
     entEvent.set(java.util.Calendar.YEAR, 2012); 
     entEvent.set(java.util.Calendar.MONTH, java.util.Calendar.JULY); 
     entEvent.set(java.util.Calendar.DAY_OF_MONTH, 21); 
     entEvent.set(java.util.Calendar.HOUR, 16); 
     entEvent.set(java.util.Calendar.MINUTE, 10); 
     entEvent.set(java.util.Calendar.SECOND, 10); 


     // initialise as an all-day event.. 
     VEvent christmas = new VEvent(new Date(startEvent.getTime()),new Date(entEvent.getTime()), "Shravan Mahino"); 
     christmas.getProperties().add(tz.getTimeZoneId()); 

     // Generate a UID for the event.. 
     UidGenerator ug = null; 
     try { 
      ug = new UidGenerator("2"); 
     } catch (SocketException e) { 
      // TODO Auto-generated catch block 
      e.printStackTrace(); 
     } 
     christmas.getProperties().add(ug.generateUid()); 
     mycalendar.getComponents().add(christmas); 


     Attendee dev1 = new Attendee(URI.create("mailto:ashok@vervesys.local")); 
     dev1.getParameters().add(Role.REQ_PARTICIPANT); 
     dev1.getParameters().add(new Cn("For Ashok")); 
     christmas.getProperties().add(dev1); 

     Attendee dev2 = new Attendee(URI.create("mailto:jigarp@vervesys.com")); 
     dev2.getParameters().add(Role.OPT_PARTICIPANT); 
     dev2.getParameters().add(new Cn("For Jigar P")); 
     christmas.getProperties().add(dev2); 


     FileInputStream fileattach = null; 
     try { 
      fileattach = new FileInputStream(Environment.getExternalStorageDirectory()+"ic_launcher_home.png"); 
     } catch (FileNotFoundException e) { 
      // TODO Auto-generated catch block 
      e.printStackTrace(); 
     } 
     ByteArrayOutputStream bout = new ByteArrayOutputStream(); 
     try { 
      for (int i = fileattach.read(); i >= 0;) { 
       bout.write(i); 
       i = fileattach.read(); 
      } 
     } catch (IOException e) { 
      // TODO Auto-generated catch block 
      e.printStackTrace(); 
     } 

     ParameterList params = new ParameterList(); 
     params.add(Value.BINARY); 
     params.add(Encoding.BASE64); 

     Attach attach = new Attach(params, bout.toByteArray()); 

     VEvent eout = (VEvent) calendar.getComponent(Component.VEVENT); 

     Attach aout = (Attach) eout.getProperty(Property.ATTACH); 


     System.out.println("Result : "+GenerateICAL("Ashok.ics", mycalendar)); 


    } 

    public Boolean GenerateICAL(String fileNameWithExtenion,Calendar calendar){ 
     FileOutputStream fout = null; 
     try { 
      fout = new FileOutputStream(Environment.getExternalStorageDirectory()+"/"+fileNameWithExtenion); 
     } catch (FileNotFoundException e1) { 
      e1.printStackTrace(); 
     } 
     CalendarOutputter outputter; 
     try { 
      outputter = new CalendarOutputter(); 
      outputter.output(calendar, fout); 
      return true; 
     } catch (IOException e) { 
      e.printStackTrace(); 
      return false; 
     } catch (ValidationException e) { 
      e.printStackTrace(); 
      return false; 
     } 
    } 


}