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我想将所有iPhone地址簿联系人复制到一个数组中,然后将此数组写入文件。我写了下面的代码并将它连接到一个按钮,但是当我点击这个按钮时,我的应用程序崩溃了。创建通讯录副本
请帮我解决这个问题。
我的方法:
-(NSString *)pathOfFile{
NSArray *paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES);
NSString *documentsDirectory=[paths objectAtIndex:0];
return [documentsDirectory stringByAppendingFormat:@"contacts.plist"];
}
-(IBAction)createAddressBookCopy{
ABAddressBookRef addressBook = ABAddressBookCreate();
CFArrayRef allPeople = ABAddressBookCopyArrayOfAllPeople(addressBook);
CFIndex nPeople = ABAddressBookGetPersonCount(addressBook);
NSMutableArray *masterList = [[NSMutableArray alloc] init];
for (int i = 0; i < nPeople; i++) {
ABRecordRef ref = CFArrayGetValueAtIndex(allPeople, i);
CFStringRef fName = ABRecordCopyValue(ref, kABPersonFirstNameProperty);
CFStringRef lName = ABRecordCopyValue(ref, kABPersonLastNameProperty);
NSString *contactFirstLast = [NSString stringWithFormat: @"%@", (NSString *)fName];
CFRelease(fName);
CFRelease(lName);
[masterList addObject:contactFirstLast];
[contactFirstLast release];
}
//self.list = masterList;
[masterList writeToFile:[self pathOfFile] atomically:YES];
[masterList release];
}
**这里我只保存名字;
崩溃的类型是什么? – 2011-04-18 20:07:39
该应用关闭。 – Shahriar 2011-04-18 20:09:38
模拟器显示与其他应用程序图标(家庭屏幕)的应用程序图标。 – Shahriar 2011-04-18 20:10:26