xcode 6.1 iOS 8.1 NSLocale displayNameForKey NSLocaleIdentifier return nil

Question

- (NSString *)countryNameByCode:(NSString*)countryCode
{
    NSString *identifier = [NSLocale localeIdentifierFromComponents:@{NSLocaleCountryCode: countryCode}];
    NSStrin         


        

Answer 1

NSString *language = [[NSLocale preferredLanguages] objectAtIndex:0];