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Old 07-01-2010, 02:29 AM   #1 (permalink)
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Join Date: Jun 2010
Posts: 16
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Exclamation Memory leaks working with Address Book, but when I fix I get EXC_BAD_ACCESS signal?

Hi all

I'm wondering if there's anyone who can help? This is my original code which is within viewDidLoad:

CFArrayRef member = ABGroupCopyArrayOfAllMembers(groupID);
if (member) {
CFIndex memberCount = CFArrayGetCount(member);

for (int i = 0; i < memberCount; i++) {
ABRecordRef ref = CFArrayGetValueAtIndex(member, i);
NSString *name = [[NSString alloc] initWithFormat:@"%@", [self getName:ref]];
NSString *phone = [[NSString alloc] initWithFormat:@"%@", [self getPhone:ref]];
NSString *email = [[NSString alloc] initWithFormat:@"%@", [self getEmail:ref]];
[contactsArray addObject:[NSMutableDictionary dictionaryWithObjectsAndKeys: name, kRecordName, ref, kRecordID, phone, kRecordPhone, email, kRecordEmail, nil]];
CFRelease(ref);
[name release];
[phone release];
[email release];
}
}

But when I ran the Leaks Instrument, it was leaking because I hadn't released CFArrayRef member. So I changed the code to:

CFArrayRef member = ABGroupCopyArrayOfAllMembers(groupID);
if (member) {
CFIndex memberCount = CFArrayGetCount(member);

for (int i = 0; i < memberCount; i++) {
ABRecordRef ref = CFArrayGetValueAtIndex(member, i);
NSString *name = [[NSString alloc] initWithFormat:@"%@", [self getName:ref]];
NSString *phone = [[NSString alloc] initWithFormat:@"%@", [self getPhone:ref]];
NSString *email = [[NSString alloc] initWithFormat:@"%@", [self getEmail:ref]];
[contactsArray addObject:[NSMutableDictionary dictionaryWithObjectsAndKeys: name, kRecordName, ref, kRecordID, phone, kRecordPhone, email, kRecordEmail, nil]];
CFRelease(ref);
[name release];
[phone release];
[email release];
}
CFRelease(member);
}

This fixed my memory leak issue but for some reason the app started to give me EXC_BAD_ACCESS errors when navigating through the screens. Just wondering if anyone knows how to solve this problem?

Please help!

Noobdev
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Old 07-01-2010, 09:21 PM   #2 (permalink)
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Join Date: Jun 2010
Posts: 16
noobdev is on a distinguished road
Smile

Quote:
Originally Posted by noobdev View Post
Hi all

I'm wondering if there's anyone who can help? This is my original code which is within viewDidLoad:

CFArrayRef member = ABGroupCopyArrayOfAllMembers(groupID);
if (member) {
CFIndex memberCount = CFArrayGetCount(member);

for (int i = 0; i < memberCount; i++) {
ABRecordRef ref = CFArrayGetValueAtIndex(member, i);
NSString *name = [[NSString alloc] initWithFormat:@"%@", [self getName:ref]];
NSString *phone = [[NSString alloc] initWithFormat:@"%@", [self getPhone:ref]];
NSString *email = [[NSString alloc] initWithFormat:@"%@", [self getEmail:ref]];
[contactsArray addObject:[NSMutableDictionary dictionaryWithObjectsAndKeys: name, kRecordName, ref, kRecordID, phone, kRecordPhone, email, kRecordEmail, nil]];
CFRelease(ref);
[name release];
[phone release];
[email release];
}
}

But when I ran the Leaks Instrument, it was leaking because I hadn't released CFArrayRef member. So I changed the code to:

CFArrayRef member = ABGroupCopyArrayOfAllMembers(groupID);
if (member) {
CFIndex memberCount = CFArrayGetCount(member);

for (int i = 0; i < memberCount; i++) {
ABRecordRef ref = CFArrayGetValueAtIndex(member, i);
NSString *name = [[NSString alloc] initWithFormat:@"%@", [self getName:ref]];
NSString *phone = [[NSString alloc] initWithFormat:@"%@", [self getPhone:ref]];
NSString *email = [[NSString alloc] initWithFormat:@"%@", [self getEmail:ref]];
[contactsArray addObject:[NSMutableDictionary dictionaryWithObjectsAndKeys: name, kRecordName, ref, kRecordID, phone, kRecordPhone, email, kRecordEmail, nil]];
CFRelease(ref);
[name release];
[phone release];
[email release];
}
CFRelease(member);
}

This fixed my memory leak issue but for some reason the app started to give me EXC_BAD_ACCESS errors when navigating through the screens. Just wondering if anyone knows how to solve this problem?

Please help!

Noobdev

Don't worry I've fixed the issue by using NSArray instead of CFArrayRef
noobdev is offline   Reply With Quote
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