Add events to Calendar in iPhone (iOS4.0)

#import "EventTestViewController.h"
#import <EventKit/EventKit.h>
 
@implementation EventTestViewController
 
 
 
- (void)viewDidLoad {
    [super viewDidLoad];
 
    EKEventStore *eventStore = [[EKEventStore alloc] init];
 
    EKEvent *event  = [EKEvent eventWithEventStore:eventStore];
    event.title     = @"EVENT TITLE";
 
    event.startDate = [[NSDate alloc] init];
    event.endDate   = [[NSDate alloc] initWithTimeInterval:600 sinceDate:event.startDate];
 
    [event setCalendar:[eventStore defaultCalendarForNewEvents]];
    NSError *err;
    [eventStore saveEvent:event span:EKSpanThisEvent error:&err];       
}
 
 
 
 
 
 
 
 
 
 
 
 
 
-(IBAction)btnSyncCalendar:(id)sender{
	Class aMsgClass = NSClassFromString(@"EKEventStore");
	if(!aMsgClass) return;
	NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init];
	[dateFormat setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
	[dateFormat setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@"UTC"]];
	for (NSString *strKey in [dForOpening_Timings allKeys]) {
		NSDictionary *d=[dForOpening_Timings valueForKey:strKey];
		// dayName dayOfMonth monthName timing dateForSync
		EKEventStore *eventStore = [[EKEventStore alloc] init];
 
		EKEvent *event = [EKEvent eventWithEventStore:eventStore];
 
 
		NSString *strTitle=[NSString stringWithFormat:@"%@",lblname.text];
 
 
		event.title = strTitle;
 
		NSArray *arStartEnd=[[d valueForKey:@"timing"] componentsSeparatedByString:@" to "];
 
		NSString *strStart=[arStartEnd objectAtIndex:0];
		if([strStart hasSuffix:@"pm"]){
			strStart=[NSString stringWithFormat:@"%02i:00:00",([[[strStart componentsSeparatedByString:@"pm"] objectAtIndex:0] intValue]+12)];
		} else {
			strStart=[NSString stringWithFormat:@"%02i:00:00",([[[strStart componentsSeparatedByString:@"pm"] objectAtIndex:0] intValue])];
		}
 
		NSString *strEnd=[arStartEnd objectAtIndex:1];
		if([strEnd hasSuffix:@"pm"]){
			strEnd=[NSString stringWithFormat:@"%02i:00:00",([[[strEnd componentsSeparatedByString:@"pm"] objectAtIndex:0] intValue]+12)];
		} else {
			strEnd=[NSString stringWithFormat:@"%02i:00:00",([[[strEnd componentsSeparatedByString:@"pm"] objectAtIndex:0] intValue])];
		}
		strStart=[NSString stringWithFormat:@"%@ %@",[d valueForKey:@"dateForSync"],strStart];
		strEnd=[NSString stringWithFormat:@"%@ %@",[d valueForKey:@"dateForSync"],strEnd];
 
 
		event.startDate = [dateFormat dateFromString:strStart];
		event.endDate = [dateFormat dateFromString:strEnd];
 
		NSLog(@"\n\nTitle is %@\nStartDate is %@\nEnd date is %@.",event.title,event.startDate,event.endDate);
 
		[event setCalendar:[eventStore defaultCalendarForNewEvents]];
		NSError *err;
		[eventStore saveEvent:event span:EKSpanThisEvent error:&err];
	}
	[dateFormat release];  dateFormat=nil;
}