我怎么知道数组对象的NSCountedSet
问题描述:
指数这是我发现了重复的设备联系人代码,我想知道如何得到重复的联系人我怎么知道数组对象的NSCountedSet
NSCountedSet *set = [[NSCountedSet alloc] initWithArray:[Contact valueForKey:@"emailAddress"]];
for(id name in set){
if([name isEqual:[NSNull null]] || [name isEqualToString:@""]){
} else {
array=[[NSMutableArray alloc]init];
duplicateEmailDictionary =[NSMutableDictionary new];
if ([set countForObject:name]>1) {
for (int i=0; i<[set countForObject:name]; i++) {
[array addObject:name];
}
[duplicateEmailDictionary setObject:array forKey:@"emailAddress"];
[finalDuplicateEmail addObject:duplicateEmailDictionary];
}
}
}
'indexesOfObjectsPassingTest:'在你的数组上为每个重复? – Larme
你好Larme你能给我发些示例代码吗? – iOS