Android Open Source - DoItNow Utilities

• Back to App/task  ↑

From Project

Back to project page DoItNow.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.px.do_it_now;
/* w w w.ja va2 s.c  om*/
import java.util.Calendar;
import java.util.GregorianCalendar;

import android.content.Context;
import android.util.Log;
import android.widget.Toast;


public class Utilities {


  public static void showMessage (CharSequence text, Context c) {
    int duration = Toast.LENGTH_SHORT;
    Toast toast = Toast.makeText(c.getApplicationContext(), text, duration);
    toast.show();      
  }

  // calculate notification delay time
  public static long delay_time_calc (int set_year, int set_month, int set_day, int set_hour, int set_min) {
    GregorianCalendar gre_calendar = new GregorianCalendar();
    
    long delay = -1;
    int day_in_year_set  = 365;
    int day_in_year_curr = 365;
    int day_in_month = -1;
    
    // get current date and time
    Calendar calendar = Calendar.getInstance();
    int curr_year  = calendar.get(Calendar.YEAR);
    int curr_month = calendar.get(Calendar.MONTH);
    int curr_day   = calendar.get(Calendar.DAY_OF_MONTH);
    int curr_hour  = calendar.get(Calendar.HOUR_OF_DAY);
    int curr_min   = calendar.get(Calendar.MINUTE);
    Log.i("delay_calc", "set year is " + set_year);
    Log.i("delay_calc", "set month is " + set_month);
    Log.i("delay_calc", "set day is " + set_day);
    Log.i("delay_calc", "set hour is " + set_hour);
    Log.i("delay_calc", "set min is " + set_min);
    Log.i("delay_calc", "year is " + curr_year);
    Log.i("delay_calc", "month is " + curr_month);
    Log.i("delay_calc", "day is " + curr_day);
    Log.i("delay_calc", "hour is " + curr_hour);
    Log.i("delay_calc", "min is " + curr_min);
    
    // P.X. algorithm needs to improve and correction
    // encode the delay time in second
    
    // determine if a year is leap year
    boolean leap_year = gre_calendar.isLeapYear(set_year);
    if (leap_year)    day_in_year_set = 366;
    leap_year = gre_calendar.isLeapYear(set_year);
    if (leap_year)    day_in_year_curr = 366;
    
    switch (set_month) {
      case Calendar.JANUARY  : day_in_month = 31; break;
      case Calendar.FEBRUARY : if (leap_year) day_in_month = 29; else day_in_month = 28; break;
      case Calendar.MARCH    : day_in_month = 31; break;
      case Calendar.APRIL    : day_in_month = 30; break;
      case Calendar.MAY      : day_in_month = 31; break;
      case Calendar.JUNE     : day_in_month = 30; break;
      case Calendar.JULY     : day_in_month = 31; break;
      case Calendar.AUGUST   : day_in_month = 31; break;
      case Calendar.SEPTEMBER: day_in_month = 30; break;
      case Calendar.OCTOBER  : day_in_month = 31; break;
      case Calendar.NOVEMBER : day_in_month = 30; break;
      case Calendar.DECEMBER : day_in_month = 31; break;
      default                : break;
    }
    
    Log.i("delay_calc", "day in month is " + day_in_month);
    Log.i("delay_calc", "day in year is " + day_in_year_set);
    
    long encode_set_time = set_year   * day_in_year_set   * 24 * 60 * 60 + 
                         set_month  * day_in_month      * 24 * 60 * 60 + 
                         set_day                        * 24 * 60 * 60 +
                         set_hour                            * 60 * 60 +
                         set_min                                  * 60 ;
    Log.i("delay_calc", "encode set time " + encode_set_time);
    
    switch (curr_month) {
    case Calendar.JANUARY  : day_in_month = 31; break;
    case Calendar.FEBRUARY : if (leap_year) day_in_month = 29; else day_in_month = 28; break;
    case Calendar.MARCH    : day_in_month = 31; break;
    case Calendar.APRIL    : day_in_month = 30; break;
    case Calendar.MAY      : day_in_month = 31; break;
    case Calendar.JUNE     : day_in_month = 30; break;
    case Calendar.JULY     : day_in_month = 31; break;
    case Calendar.AUGUST   : day_in_month = 31; break;
    case Calendar.SEPTEMBER: day_in_month = 30; break;
    case Calendar.OCTOBER  : day_in_month = 31; break;
    case Calendar.NOVEMBER : day_in_month = 30; break;
    case Calendar.DECEMBER : day_in_month = 31; break;
    default                : break;
    }  
    
    
    long  encode_curr_time = curr_year  * day_in_year_curr    * 24 * 60 * 60 + 
                         curr_month * day_in_month        * 24 * 60 * 60 + 
                         curr_day                         * 24 * 60 * 60 +
                         curr_hour                             * 60 * 60 +
                         curr_min                                   * 60 ;
    Log.i("delay_calc", "encode curr time " + encode_curr_time);
    
    delay = encode_set_time - encode_curr_time;
    Log.i("delay_calc", "delay time is " + delay);
    
    return delay;
  }
}

Java Source Code List

• Back to App/task  ↑