0
contactSectionDict = [[NSMutableDictionary alloc] init];
contactsForSection = [[NSMutableArray alloc] init];
contactsIndexTitles = @[@"A", @"B", @"C", @"D", @"E", @"F", @"G", @"H",@"I", @"J", @"K", @"L", @"M", @"N", @"O", @"P", @"Q", @"R", @"S", @"T", @"U", @"V", @"W", @"X", @"Y", @"Z",@"#"];
for(int i=0;i<contactsIndexTitles.count;i++)
{
for(int j=0;j<names.count;j++)
{
NSArray * splitArray = [[names objectAtIndex:j] componentsSeparatedByString:@" "];
if ([[splitArray objectAtIndex:0] hasPrefix:[contactsIndexTitles objectAtIndex:i]]) {
//[contactSectionDict setValue:[names objectAtIndex:j] forKey:[contactsIndexTitles objectAtIndex:i]];
[contactsForSection addObject:[names objectAtIndex:j]];
}
}
[contactSectionDict setValue:contactsForSection forKey:[contactsIndexTitles objectAtIndex:i]];
[contactsForSection removeAllObjects];
}
在第一次迭代中,它存儲contactsForSection中的36個對象,並將其存儲在contactsectionDict中,用於鍵「A」,然後我想存儲索引B的聯繫人,爲此我從contactsForSection中刪除對象,但它也刪除了值字典中的關鍵字「A」。 當字典將設置對所有索引,然後我會給它的表視圖顯示他們像蘋果聯繫應用程序。 請建議我更好的方法。我的NSMutableDictionary刪除對象當我刪除IOS中的NSMutableArray?