Я только что запустил Intrument Memory Leaks Tool для своего приложения и получаю следующие ошибки:
Вот метод, на который он ссылается:
Специально для этой строки: NSSet *filteredExercisesFromSession = [session.exercises filteredSetUsingPredicate:[NSPredicate predicateWithFormat: @"name == %@", selectedExerciseName]]
- (void)createSession
{
NSCalendar *calendar = [NSCalendar currentCalendar];
unsigned unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit;
NSDateComponents *dateComponentsForToday = [calendar components:unitFlags fromDate:self.picker.date];
[dateComponentsForToday setHour:0];
[dateComponentsForToday setMinute:0];
[dateComponentsForToday setSecond:0];
NSDate *targetDateBegins = [calendar dateFromComponents:dateComponentsForToday];
NSDate *targetDateEnds = [targetDateBegins dateByAddingTimeInterval:(60 * 60 * 24 - 1)];
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
[fetchRequest setPredicate:[NSPredicate predicateWithFormat: @"(timeStamp >= %@ && timeStamp <= %@)", targetDateBegins, targetDateEnds]];
[fetchRequest setEntity:[NSEntityDescription entityForName:@"Session" inManagedObjectContext:managedObjectContext]];
NSError *error = nil;
NSArray *results = [managedObjectContext executeFetchRequest:fetchRequest error:&error];
NSLog(@"Fetch error: %@", error);
if ([results count])
{
session = (Session *)[results objectAtIndex:0];
NSLog(@"Already have session for date: %@", session.timeStamp);
}
else
{
session = (Session *)[NSEntityDescription insertNewObjectForEntityForName:@"Session" inManagedObjectContext:managedObjectContext];
session.timeStamp = self.picker.date;
NSLog(@"New session for date: %@", session.timeStamp);
}
NSSet *filteredExercisesFromSession = [session.exercises filteredSetUsingPredicate:[NSPredicate predicateWithFormat: @"name == %@", selectedExerciseName]];
if ([filteredExercisesFromSession count] > 0)
{
self.exercise = [filteredExercisesFromSession anyObject];
}
else
{
NSLog(@"exercise does not already exist");
self.exercise = (Exercise *)[NSEntityDescription insertNewObjectForEntityForName:@"Exercise" inManagedObjectContext:managedObjectContext];
self.exercise.name = selectedExerciseName;
[session addExercisesObject:exercise];
NSLog(@"exercise name: %@", exercise.name);
NSLog(@"exercises in session: %@",session.exercises);
}
if (![managedObjectContext save:&error])
{
// Handle the error.
}
NSLog(@"Save error: %@", error);
[fetchRequest release];
self.fetchedResultsController = nil;
[setsTableView reloadData];
}