calendario in eclipse

Ehi ciao a tutti.. ho implementato questa parte di codice consultando il web per creare un sistema calendario gregoriano.. ma purtroppo mi da svariati errori, qualcuno saprebbe dirmi cosa manca?
Qui sotto c'è il codice seguito dai relativi errori
grazie in anticipo :)


package simple.calendar;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;

import android.R;
import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.text.format.DateFormat;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;

public class SimpleCalendarViewActivity extends Activity implements OnClickListener
{
private static final String tag = "SimpleCalendarViewActivity";


private Button selectedDayMonthYearButton;
private Button currentMonth;
private ImageView prevMonth;
private ImageView nextMonth;
private GridView calendarView;
private GridCellAdapter adapter;
private Calendar _calendar;
private int month, year;
private final DateFormat dateFormatter = new DateFormat();
private static final String dateTemplate = "MMMM yyyy";

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.simple_calendar_view);

_calendar = Calendar.getInstance(Locale.getDefault());
month = _calendar.get(Calendar.MONTH) + 1;
year = _calendar.get(Calendar.YEAR);
Log.d(tag, "Calendar Instance:= " + "Month: " + month + " " + "Year: " + year);

selectedDayMonthYearButton = (Button) this.findViewById(R.id.selectedDayMonthYear);
selectedDayMonthYearButton.setText("Selected: ");

prevMonth = (ImageView) this.findViewById(R.id.prevMonth);
prevMonth.setOnClickListener(this);

currentMonth = (Button) this.findViewById(R.id.currentMonth);
currentMonth.setText(dateFormatter.format(dateTemp late, _calendar.getTime()));

nextMonth = (ImageView) this.findViewById(R.id.nextMonth);
nextMonth.setOnClickListener(this);

calendarView = (GridView) this.findViewById(R.id.calendar);

// Initialised
adapter = new GridCellAdapter(getApplicationContext(), R.id.calendar_day_gridcell, month, year);
adapter.notifyDataSetChanged();
calendarView.setAdapter(adapter);
}

/**
*
* @param month
* @param year
*/
private void setGridCellAdapterToDate(int month, int year)
{
adapter = new GridCellAdapter(getApplicationContext(), R.id.calendar_day_gridcell, month, year);
_calendar.set(year, month - 1, _calendar.get(Calendar.DAY_OF_MONTH));
currentMonth.setText(dateFormatter.format(dateTemp late, _calendar.getTime()));
adapter.notifyDataSetChanged();
calendarView.setAdapter(adapter);
}

public void onClick(View v)
{
if (v == prevMonth)
{
if (month <= 1)
{
month = 12;
year--;
}
else
{
month--;
}
Log.d(tag, "Setting Prev Month in GridCellAdapter: " + "Month: " + month + " Year: " + year);
setGridCellAdapterToDate(month, year);
}
if (v == nextMonth)
{
if (month > 11)
{
month = 1;
year++;
}
else
{
month++;
}
Log.d(tag, "Setting Next Month in GridCellAdapter: " + "Month: " + month + " Year: " + year);
setGridCellAdapterToDate(month, year);
}

}

@Override
public void onDestroy()
{
Log.d(tag, "Destroying View ...");
super.onDestroy();
}

// ///////////////////////////////////////////////////////////////////////////////////////
// Inner Class
public class GridCellAdapter extends BaseAdapter implements OnClickListener
{
private static final String tag = "GridCellAdapter";
private final Context _context;

private final List<String> list;
private static final int DAY_OFFSET = 1;
private final String[] weekdays = new String[]{"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
private final String[] months = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};
private final int[] daysOfMonth = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
private final int month, year;
private int daysInMonth, prevMonthDays;
private int currentDayOfMonth;
private int currentWeekDay;
private Button gridcell;
private TextView num_events_per_day;
private final HashMap eventsPerMonthMap;
private final SimpleDateFormat dateFormatter = new SimpleDateFormat("dd-MMM-yyyy");

// Days in Current Month
public GridCellAdapter(Context context, int textViewResourceId, int month, int year)
{
super();
this._context = context;
this.list = new ArrayList<String>();
this.month = month;
this.year = year;

Log.d(tag, "==> Passed in Date FOR Month: " + month + " " + "Year: " + year);
Calendar calendar = Calendar.getInstance();
setCurrentDayOfMonth(calendar.get(Calendar.DAY_OF_ MONTH));
setCurrentWeekDay(calendar.get(Calendar.DAY_OF_WEE K));
Log.d(tag, "New Calendar:= " + calendar.getTime().toString());
Log.d(tag, "CurrentDayOfWeek :" + getCurrentWeekDay());
Log.d(tag, "CurrentDayOfMonth :" + getCurrentDayOfMonth());

// Print Month
printMonth(month, year);

// Find Number of Events
eventsPerMonthMap = findNumberOfEventsPerMonth(year, month);
}
private String getMonthAsString(int i)
{
return months[i];
}

private String getWeekDayAsString(int i)
{
return weekdays[i];
}

private int getNumberOfDaysOfMonth(int i)
{
return daysOfMonth[i];
}

public String getItem(int position)
{
return list.get(position);
}

@Override
public int getCount()
{
return list.size();
}


*
* @param mm
* @param yy
*/
private void printMonth(int mm, int yy)
{
Log.d(tag, "==> printMonth: mm: " + mm + " " + "yy: " + yy);
// The number of days to leave blank at
// the start of this month.
int trailingSpaces = 0;
int daysInPrevMonth = 0;
int prevMonth = 0;
int prevYear = 0;
int nextMonth = 0;
int nextYear = 0;

int currentMonth = mm - 1;
String currentMonthName = getMonthAsString(currentMonth);
daysInMonth = getNumberOfDaysOfMonth(currentMonth);

Log.d(tag, "Current Month: " + " " + currentMonthName + " having " + daysInMonth + " days.");

// Gregorian Calendar : MINUS 1, set to FIRST OF MONTH
GregorianCalendar cal = new GregorianCalendar(yy, currentMonth, 1);
Log.d(tag, "Gregorian Calendar:= " + cal.getTime().toString());

if (currentMonth == 11)
{
prevMonth = currentMonth - 1;
daysInPrevMonth = getNumberOfDaysOfMonth(prevMonth);
nextMonth = 0;
prevYear = yy;
nextYear = yy + 1;
Log.d(tag, "*->PrevYear: " + prevYear + " PrevMonth:" + prevMonth + " NextMonth: " + nextMonth + " NextYear: " + nextYear);
}
else if (currentMonth == 0)
{
prevMonth = 11;
prevYear = yy - 1;
nextYear = yy;
daysInPrevMonth = getNumberOfDaysOfMonth(prevMonth);
nextMonth = 1;
Log.d(tag, "**--> PrevYear: " + prevYear + " PrevMonth:" + prevMonth + " NextMonth: " + nextMonth + " NextYear: " + nextYear);
}
else
{
prevMonth = currentMonth - 1;
nextMonth = currentMonth + 1;
nextYear = yy;
prevYear = yy;
daysInPrevMonth = getNumberOfDaysOfMonth(prevMonth);
Log.d(tag, "***---> PrevYear: " + prevYear + " PrevMonth:" + prevMonth + " NextMonth: " + nextMonth + " NextYear: " + nextYear);
}


// getDay() returns 0 for Sunday.
int currentWeekDay = cal.get(Calendar.DAY_OF_WEEK) - 1;
trailingSpaces = currentWeekDay;

Log.d(tag, "Week Day:" + currentWeekDay + " is " + getWeekDayAsString(currentWeekDay));
Log.d(tag, "No. Trailing space to Add: " + trailingSpaces);
Log.d(tag, "No. of Days in Previous Month: " + daysInPrevMonth);

if (cal.isLeapYear(cal.get(Calendar.YEAR)) && mm == 1)
{
++daysInMonth;
}

// Trailing Month days
for (int i = 0; i < trailingSpaces; i++)
{
Log.d(tag, "PREV MONTH:= " + prevMonth + " => " + getMonthAsString(prevMonth) + " " + String.valueOf((daysInPrevMonth - trailingSpaces + DAY_OFFSET) + i));
list.add(String.valueOf((daysInPrevMonth - trailingSpaces + DAY_OFFSET) + i) + "-GREY" + "-" + getMonthAsString(prevMonth) + "-" + prevYear);
}

// Current Month Days
for (int i = 1; i <= daysInMonth; i++)
{
Log.d(currentMonthName, String.valueOf(i) + " " + getMonthAsString(currentMonth) + " " + yy);
if (i == getCurrentDayOfMonth())
{
list.add(String.valueOf(i) + "-BLUE" + "-" + getMonthAsString(currentMonth) + "-" + yy);
}
else
{
list.add(String.valueOf(i) + "-WHITE" + "-" + getMonthAsString(currentMonth) + "-" + yy);
}
}

// Leading Month days
for (int i = 0; i < list.size() % 7; i++)
{
Log.d(tag, "NEXT MONTH:= " + getMonthAsString(nextMonth));
list.add(String.valueOf(i + 1) + "-GREY" + "-" + getMonthAsString(nextMonth) + "-" + nextYear);
}
}

* @param year
* @param month
* @return
*/
private HashMap findNumberOfEventsPerMonth(int year, int month)
{
HashMap map = new HashMap<String, Integer>();
// DateFormat dateFormatter2 = new DateFormat();
//
// String day = dateFormatter2.format("dd", dateCreated).toString();
//
// if (map.containsKey(day))
// {
// Integer val = (Integer) map.get(day) + 1;
// map.put(day, val);
// }
// else
// {
// map.put(day, 1);
// }
return map;
}

@Override
public long getItemId(int position)
{
return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent)
{
View row = convertView;
if (row == null)
{
LayoutInflater inflater = (LayoutInflater) _context.getSystemService(Context.LAYOUT_INFLATER_ SERVICE);
row = inflater.inflate(R.layout.calendar_day_gridcell, parent, false);
}

// Get a reference to the Day gridcell
gridcell = (Button) row.findViewById(R.id.calendar_day_gridcell);
gridcell.setOnClickListener(this);

// ACCOUNT FOR SPACING

Log.d(tag, "Current Day: " + getCurrentDayOfMonth());
String[] day_color = list.get(position).split("-");
String theday = day_color[0];
String themonth = day_color[2];
String theyear = day_color[3];
if ((!eventsPerMonthMap.isEmpty()) && (eventsPerMonthMap != null))
{
if (eventsPerMonthMap.containsKey(theday))
{
num_events_per_day = (TextView) row.findViewById(R.id.num_events_per_day);
Integer numEvents = (Integer) eventsPerMonthMap.get(theday);
num_events_per_day.setText(numEvents.toString());
}
}

// Set the Day GridCell
gridcell.setText(theday);
gridcell.setTag(theday + "-" + themonth + "-" + theyear);
Log.d(tag, "Setting GridCell " + theday + "-" + themonth + "-" + theyear);

if (day_color[1].equals("GREY"))
{
gridcell.setTextColor(Color.LTGRAY);
}
if (day_color[1].equals("WHITE"))
{
gridcell.setTextColor(Color.WHITE);
}
if (day_color[1].equals("BLUE"))
{
gridcell.setTextColor(getResources().getColor(R.co lor.static_text_color));
}
return row;
}
@Override
public void onClick(View view)
{
String date_month_year = (String) view.getTag();
selectedDayMonthYearButton.setText("Selected: " + date_month_year);

try
{
Date parsedDate = dateFormatter.parse(date_month_year);
Log.d(tag, "Parsed Date: " + parsedDate.toString());

}
catch (ParseException e)
{
e.printStackTrace();
}
}

public int getCurrentDayOfMonth()
{
return currentDayOfMonth;
}

private void setCurrentDayOfMonth(int currentDayOfMonth)
{
this.currentDayOfMonth = currentDayOfMonth;
}
public void setCurrentWeekDay(int currentWeekDay)
{
this.currentWeekDay = currentWeekDay;
}
public int getCurrentWeekDay()
{
return currentWeekDay;
}
}
}
L ultima parte di codice

ERRORI:
[2011-12-12 17:56:49 - SimpleCalendarImp] (skipping index file 'C:\Documents and Settings\R.salvioni\Desktop\progetto eclipse\progetti\eclipse\SimpleCalendarImp\res\dra wable\Thumbs.db')
[2011-12-12 17:56:49 - SimpleCalendarImp] (skipping index file 'C:\Documents and Settings\R.salvioni\Desktop\progetto eclipse\progetti\eclipse\SimpleCalendarImp\res\dra wable-hdpi\Thumbs.db')
[2011-12-12 17:56:49 - SimpleCalendarImp] (skipping index file 'C:\Documents and Settings\R.salvioni\Desktop\progetto eclipse\progetti\eclipse\SimpleCalendarImp\res\dra wable-ldpi\Thumbs.db')
[2011-12-12 17:56:49 - SimpleCalendarImp] (skipping index file 'C:\Documents and Settings\R.salvioni\Desktop\progetto eclipse\progetti\eclipse\SimpleCalendarImp\res\dra wable-mdpi\Thumbs.db')
[2011-12-12 17:56:49 - SimpleCalendarImp] C:\Documents and Settings\R.salvioni\Desktop\progetto eclipse\progetti\eclipse\SimpleCalendarImp\res\lay out\calendar_day_gridcell.xml:9: error: Error: No resource found that matches the given name (at 'style' with value '@style/calendar_event_style').
[2011-12-12 17:56:50 - SimpleCalendarImp] Error in an XML file: aborting build.
[2011-12-12 17:57:56 - SimpleCalendarImp] (skipping index file 'C:\Documents and Settings\R.salvioni\Desktop\progetto eclipse\progetti\eclipse\SimpleCalendarImp\res\dra wable\Thumbs.db')
[2011-12-12 17:57:56 - SimpleCalendarImp] (skipping index file 'C:\Documents and Settings\R.salvioni\Desktop\progetto eclipse\progetti\eclipse\SimpleCalendarImp\res\dra wable-hdpi\Thumbs.db')
[2011-12-12 17:57:56 - SimpleCalendarImp] (skipping index file 'C:\Documents and Settings\R.salvioni\Desktop\progetto eclipse\progetti\eclipse\SimpleCalendarImp\res\dra wable-ldpi\Thumbs.db')
[2011-12-12 17:57:56 - SimpleCalendarImp] (skipping index file 'C:\Documents and Settings\R.salvioni\Desktop\progetto eclipse\progetti\eclipse\SimpleCalendarImp\res\dra wable-mdpi\Thumbs.db')
[2011-12-12 17:57:56 - SimpleCalendarImp] C:\Documents and Settings\R.salvioni\Desktop\progetto eclipse\progetti\eclipse\SimpleCalendarImp\res\lay out\calendar_day_gridcell.xml:9: error: Error: No resource found that matches the given name (at 'style' with value '@style/calendar_event_style').ù

E gli errori