Android Open Source - favouritetv Calendar Manager

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Back to project page favouritetv.
License

The source code is released under:
Copyright (c) 2011 Andr? Prata<andreprata@ua.pt> Eriksson Monteiro<eriksson.monteiro@ua.pt> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associat...
If you think the Android project favouritetv listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package pt.ua.code.favouritetv.calendar;
// w  w  w .ja v a2  s  .  c  o m
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;

import pt.ua.code.ws.Program;
import android.app.NotificationManager;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;

public class CalendarManager {
  private final Context mContext;
  private final static Uri CALENDAR_CALENDARS_URI = Uri.parse("content://calendar/calendars");
  private final static Uri CALENDAR_CALENDARS_URI_8_PLUS = Uri.parse("content://com.android.calendar/calendars");
  private final static Uri CALENDAR_EVENTS_URI = Uri.parse("content://calendar/events");
  private final static Uri CALENDAR_EVENTS_URI_8_PLUS = Uri.parse("content://com.android.calendar/events");
  private NotificationManager mNotificationManager;
  
  public static Uri getCalendarUri() {
      if(Integer.parseInt(Build.VERSION.SDK) <= 7) {
          return CALENDAR_CALENDARS_URI;
      } else {
          return CALENDAR_CALENDARS_URI_8_PLUS;
      }
  }
  
  public static Uri getEventsUri() {
      if(Integer.parseInt(Build.VERSION.SDK) <= 7) {
          return CALENDAR_EVENTS_URI;
      } else {
          return CALENDAR_EVENTS_URI_8_PLUS;
      }
  }
  
  public CalendarManager(Context context) {
    mContext = context;
    mNotificationManager = (NotificationManager) mContext.getSystemService(android.content.Context.NOTIFICATION_SERVICE);
  }
  
  public HashMap<Integer,String> getActiveCalendars(){
    HashMap<Integer,String> lcalendar = new HashMap<Integer, String>();
    String[] projection = new String[] { "_id", "name" };
    Uri calendars = getCalendarUri();
    Cursor managedCursor = null;
    try{
      managedCursor =
        mContext.getContentResolver().query(calendars, projection, "selected=1", null, null);
      if(managedCursor.moveToFirst()){
        int nameColumn = managedCursor.getColumnIndex("name"); 
        int idColumn = managedCursor.getColumnIndex("_id");
        do{
          lcalendar.put(managedCursor.getInt(idColumn), managedCursor.getString(nameColumn));
        }while(managedCursor.moveToNext());
      }
    }finally{
      if(managedCursor!=null && !managedCursor.isClosed()){
        managedCursor.close();
        managedCursor.deactivate();
      }
    }
    return lcalendar;
  }
  
  public void addProgram(Program p, int calendar_id){
    ContentValues event = new ContentValues();
    event.put("calendar_id", calendar_id);
    event.put("title", p.getName()+"{"+p.getId()+"}");
    //event.put("_id", p.getId());
    //event.put("description", p.getDescription());
    event.put("eventLocation", "FavouriteTV");
    try{
      long startTime = p.getBegin().getTime();
      long endTime = p.getEnd().getTime();
      event.put("dtstart", startTime);
      event.put("dtend", endTime);
    }catch(NullPointerException ex){
      return;
    }
    
    event.put("eventStatus", 0);//tentative (0), confirmed (1) or canceled (2):
    event.put("hasAlarm", 1); // 0 for false, 1 for true
    Uri eventsUri = getEventsUri();
    mContext.getContentResolver().insert(eventsUri, event);
  }
  
  public void removeProgram(Program p, int calendar_id){
    String where = "calendar_id="+calendar_id+" and title=?" +
        " and eventLocation='FavouriteTV' and dtstart=? and dtend=?";
    String[] args = new String[]{
        p.getName()+"{"+p.getId()+"}",
        ""+p.getBegin().getTime(), ""+p.getEnd().getTime()
    };
    mContext.getContentResolver().delete(getEventsUri(), where, args);
    mNotificationManager.cancel(Integer.parseInt(p.getId()));
  }
  
  public List<Program> getAllFavouritePrograms(int calendar_id){
    LinkedList<Program> programs = new LinkedList<Program>();
    Cursor managedCursor = mContext.getContentResolver().query(getEventsUri(), null, "calendar_id="+calendar_id+" and eventLocation='FavouriteTV'", null, null);
    if(managedCursor.moveToFirst()){
      int title = managedCursor.getColumnIndex("title"); 
      //int description = managedCursor.getColumnIndex("description");
      int start = managedCursor.getColumnIndex("dtstart");
      int end= managedCursor.getColumnIndex("dtend");
      //int categories = managedCursor.getColumnIndex("_id");
      
      
      do{
        
        Program p = new Program();
        String name = managedCursor.getString(title);
        if(name.lastIndexOf("{")<0){
          continue;
        }
        p.setName(name.substring(0, name.lastIndexOf("{")));
        //p.setDescription(managedCursor.getString(description));
        p.setBegin(new Date(managedCursor.getLong(start)));
        p.setEnd(new Date(managedCursor.getLong(end)));
        String id;
        try{
          id = name.substring(name.lastIndexOf("{")+1,name.lastIndexOf("}"));
          Integer.parseInt(id);
        }catch(NumberFormatException ex){
          continue;
        }
        p.setId(id);
        p.setFavourite(true);
        programs.add(p);
        
      }while(managedCursor.moveToNext());
    }
    managedCursor.close();
    managedCursor.deactivate();
    return programs;
  }
  
  public Program getProgram(int calendar_id, String _id_program){
    Program program = null;
    String[] args = new String[]{
        _id_program
    };
    Cursor managedCursor = mContext.getContentResolver().query(getEventsUri(), null, "calendar_id="+calendar_id+" and eventLocation='FavouriteTV' and title=?", args, null);
    if(managedCursor.moveToFirst()){
      int title = managedCursor.getColumnIndex("title"); 
      //int description = managedCursor.getColumnIndex("description");
      int start = managedCursor.getColumnIndex("dtstart");
      int end= managedCursor.getColumnIndex("dtend");
      //int categories = managedCursor.getColumnIndex("_id");
        
      Program p = new Program();
      String name = managedCursor.getString(title);
      
      p.setName(name.substring(0, name.lastIndexOf("{")));
      //p.setDescription(managedCursor.getString(description));
      p.setBegin(new Date(managedCursor.getLong(start)));
      p.setEnd(new Date(managedCursor.getLong(end)));
      String id = null;
      try{
        id = name.substring(name.lastIndexOf("{")+1,name.lastIndexOf("}"));
        Integer.parseInt(id);
      }catch(NumberFormatException ex){
        return program;
      }
      p.setId(id);
      p.setFavourite(true);
      program = p;
    }
    managedCursor.close();
    managedCursor.deactivate();
    return program;
  }
}
Java Source Code List
