CancelLocalNotifications V2

-(BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
	[self scheduleCheckTimer];
}
-(void) scheduleCheckTimer
{
	[self.timer invalidate];

	self.timer = [NSTimer scheduledTimerWithTimeInterval: [self.checkDate timeIntervalSinceNow] target: 		    	self selector: @selector(checkTimerTimeout)  userInfo: nil repeats: NO];
}

-(void) checkTimerTimeout
{
	[[UIApplication sharedApplication] cancelAllLocalNotifications];
	[self scheduleCheckTimer];
}

-(NSDate*) nextCheckDate {

	NSCalendar *gregorian = [[[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar] autorelease];

	NSDateComponents* dateComponents = [gregorian components: kCFCalendarUnitEra |
                                                kCFCalendarUnitYear |
                                                kCFCalendarUnitMonth |
                                                kCFCalendarUnitDay |
                                                kCFCalendarUnitHour |
                                                kCFCalendarUnitMinute |
                                                kCFCalendarUnitSecond fromDate: [NSDate date]];


	dateComponents.hour     = 0;
	dateComponents.minute   = 0;
	dateComponents.second   = 0;
	dateComponents.day 	= dateComponents.day + 1;

	return  [gregorian dateFromComponents: dateComponents];
}