NSRangeException error... NSDictionary, NSArray, UISearchBar - objective-c

Question

I am quite new with Objective C and I have been having trouble a a little while and I have been looking over answers, watching tutorials, and I have not been able to find a solution to my problem. Maybe its right in front of my face and I am not seeing it...I think it has something that has to do with the NSRange of my UISearch Bar. But I am not 100% sure.
I am trying to search through array that has the keys of my dictionary of countries, I have set up several NSLogs and I see that the keys are going into the array I have setup to save them in and then i get the error below...
So to my understanding of this, it is counting countryKeys which has 5, so index 4 should exist, should it not? but then it shows 0 .. 3, So I this is why I am thinking i am using NSRange incorrectly. I have watched some UISearchBar and For loop tutorials so far and i am understanding For loops and them better i guess I need to figure out NSRange then.
Let me know if you don't understand my thought process or anything that I mentioned..
Filtered Countries (
ATE,
ARE,
USA,
JAP,
CAN
)
*** Terminating app due to uncaught exception 'NSRangeException', reason: '*** -[__NSArrayI objectAtIndex:]: index 4 beyond bounds [0 .. 3]'
-
#import "ViewController.h"
#interface ViewController ()
#end
#implementation ViewController
#synthesize dictTableView, mySearchBar, countriesInRegion, filteredCountries, isFiltered, regionCodes, countryKey, countryKeys, countryInfo, sortedKeysArray, regionCode, dict1;
- (void)viewDidLoad
{
[super viewDidLoad];
dict1 = [[NSMutableDictionary alloc] init];
NSMutableDictionary *subDict = [[NSMutableDictionary alloc] initWithObjects:[NSArray arrayWithObjects:#"United States",#"US",#"USA", #"NAC", nil]
forKeys: [NSArray arrayWithObjects:#"countryName", #"countryAbbrev", #"countryID", #"countryRegion", nil]];
[dict1 setObject:subDict forKey:#"USA"];
subDict = [[NSMutableDictionary alloc] initWithObjects:[NSArray arrayWithObjects:#"Canada", #"CA", #"CAN", #"NAC", nil]
forKeys: [NSArray arrayWithObjects:#"countryName", #"countryAbbrev", #"countryID", #"countryRegion", nil]];
[dict1 setObject:subDict forKey:#"CAN"];
subDict = [[NSMutableDictionary alloc] initWithObjects:[NSArray arrayWithObjects:#"Japan", #"JP", #"JAP", #"EAS", nil]
forKeys: [NSArray arrayWithObjects:#"countryName", #"countryAbbrev", #"countryID", #"countryRegion", nil]];
[dict1 setObject:subDict forKey:#"JAP"];
subDict = [[NSMutableDictionary alloc] initWithObjects:[NSArray arrayWithObjects:#"United Arab Emirates", #"AE", #"ARE", #"MEA", nil]
forKeys: [NSArray arrayWithObjects:#"countryName", #"countryAbbrev", #"countryID", #"countryRegion", nil]];
[dict1 setObject:subDict forKey:#"ARE"];
subDict = [[NSMutableDictionary alloc] initWithObjects:[NSArray arrayWithObjects:#"Antigua and Barbuda", #"AG", #"ATE", #"LCN", nil]
forKeys: [NSArray arrayWithObjects:#"countryName", #"countryAbbrev", #"countryID", #"countryRegion", nil]];
[dict1 setObject:subDict forKey:#"ATE"];
regionCodes = [[NSMutableDictionary alloc] init];
countryKeys = [dict1 allKeys];
NSLog(#"countryKeys %#", countryKeys);
sortedKeysArray = [countryKeys sortedArrayUsingSelector:#selector(caseInsensitiveCompare:)];
for (int i = 0; i < [sortedKeysArray count]; i++) {
countryKey = [sortedKeysArray objectAtIndex:i];
countryInfo = [dict1 objectForKey:countryKey]; // NSLog(#"returning countryKey to countryInfo %#", countryInfo);
regionCode = [countryInfo objectForKey:#"countryRegion"]; // NSLog(#" adding countryRegion Key to regionCode %#", regionCode);
// NSLog(#"the contents of countryInfo is %#", countryInfo);
if (![regionCodes objectForKey:regionCode]) {
countriesInRegion = [[NSMutableArray alloc] init];
[regionCodes setObject:countriesInRegion forKey:regionCode];
[countriesInRegion addObject:countryInfo]; // NSLog(#"if adding countryInfo to initialCountries %#", countryInfo);
}
else{
countriesInRegion = [regionCodes objectForKey:regionCode];
[countriesInRegion addObject:countryInfo]; // NSLog(#"else adding countryInfo to initialCountries %#", countryInfo);
}
}
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
if (isFiltered == NO)
{
return countryInfo.count;
}
else
{
return filteredCountries.count;
}
}
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
NSArray *sortKey = [regionCodes allKeys];
sortedKeysArray = [sortKey sortedArrayUsingSelector:#selector(caseInsensitiveCompare:)];
return [sortedKeysArray objectAtIndex:section];
}
- (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section;
{
NSString *regionKey = [[regionCodes allKeys] objectAtIndex:section];
countriesInRegion = [regionCodes objectForKey:regionKey];
if (isFiltered == NO)
{
return countriesInRegion.count;
}
else
{
return filteredCountries.count;
}
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath;
{
UITableViewCell *cell = nil;
cell = [tableView dequeueReusableCellWithIdentifier:#"Cell"];
if (cell == nil) {
cell = [[UITableViewCell alloc] initWithStyle:(UITableViewCellStyleDefault) reuseIdentifier:#"Cell"];
UILabel *countryNameLabel = [[UILabel alloc] initWithFrame:(CGRectMake(10, 0, 220, 44))];
[countryNameLabel setBackgroundColor:[UIColor clearColor]];
UILabel *countryAbbrevLabel = [[UILabel alloc] initWithFrame:(CGRectMake(230, 0, 75, 44))];
[countryNameLabel setBackgroundColor:[UIColor clearColor]];
UILabel *countryIDLabel = [[UILabel alloc] initWithFrame:(CGRectMake(275, 0, 50, 44))];
[countryNameLabel setBackgroundColor:[UIColor clearColor]];
[cell.contentView addSubview:countryNameLabel];
[cell.contentView addSubview:countryAbbrevLabel];
[cell.contentView addSubview:countryIDLabel];
}
NSArray *regionKeys = [regionCodes allKeys];
NSString *regionKey = [regionKeys objectAtIndex:indexPath.section];
countriesInRegion = [regionCodes objectForKey:regionKey];
NSLog(#"Countries in Region %#", countriesInRegion);
countryInfo = [countriesInRegion objectAtIndex:indexPath.row];
NSArray *subviews = [cell.contentView subviews];
UILabel *nameLabel = [subviews objectAtIndex:0];
UILabel *abbrevLabel = [subviews objectAtIndex:1];
UILabel *idLabel = [subviews objectAtIndex:2];
// NSLog(#"6 - Countries in Region %#", countriesInRegion);
if (isFiltered == NO)
{
nameLabel.text = [countryInfo objectForKey:#"countryName"];
abbrevLabel.text = [countryInfo objectForKey:#"countryAbbrev"];
idLabel.text = [countryInfo objectForKey:#"countryID"];
// NSLog(#"5 - Our list of countries: %#", nameLabel.text);
// NSLog(#"Country Info %#",countryInfo);
}
else
{
nameLabel.text = [filteredCountries objectAtIndex:2];
abbrevLabel.text = [filteredCountries objectAtIndex:1];
idLabel.text = [filteredCountries objectAtIndex:0];
NSLog(#"4 - Here are your results: %#", filteredCountries);
}
return cell;
}
#pragma mark - UISearchBarDelegate Methods
- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText
{
if (searchText.length == 0) {
isFiltered = NO;
}
else
{
isFiltered = YES;
NSLog(#"You entered %#", searchText);
filteredCountries = [[NSMutableArray alloc] init];
countryKeys = [dict1 allKeys];
NSLog(#"countryKeys %#", countryKeys);
for (int i = 0; i < countryKeys.count; i++) {
countryKey = [countryKeys objectAtIndex:i];
NSLog(#"country key is %#", countryKey);
{
NSRange countryNameRange = [countryKey rangeOfString:searchText options:NSCaseInsensitiveSearch];
if (countryNameRange.location !=NSNotFound)
{
[filteredCountries addObject:countryKey];
NSLog(#"Filtered Countries %#", filteredCountries);
}
}
}
}
[dictTableView reloadData];
}
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar
{
[mySearchBar resignFirstResponder];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
#end

Answer 1

That error simply means that you are exceeding the bound of an array.
Specifically at a first sight, I think you got wrong the number of sections and that it doesn't match the number of elements in your array.
I noticed that when filtered is equal to YES you are returning filteredCountries.count for both number of rows and number of sections.
It doesn't look right and I think you should double check you indexes.