Навигация по страницам

UIStoryboard *story=[UIStoryboard storyboardWithName:@"NameStoryBoard"];
UIViewController *controller1=[story instantiateViewControllerWithIdentifier:@"IDController1"];
UIViewController *controller2=[story instantiateViewControllerWithIdentifier:@"IDController1"];
if (условие) [self.navigationController pushViewController:controller1 anumated:YES];
else [self.navigationController pushViewController:controller2 anumated:YES];

#define story [UIStoryboard storyboardWithName:@"ИМЯ СТОРИ БОРДА" bundle:nil]
#define viewcontroller(name) [story instantiateViewControllerWithIdentifier:name]
#define GoToViewController(vc,name,anim) [vc.navigationController pushViewController:viewcontroller(name) animated:anim]
 
// использование
// если надо внезапно перейти на другой контроллер на стори боарде
 
GoToViewController(self, @"ИДЕНТИФИКАТОР КОНТРОЛЛЕРА",YES);

// переход НАЗАД
[self.navigationController popViewControllerAnimated:YES];
 
// переход в первый контроллер или в корень
[self.navigationController popToRootViewControllerAnimated:YES];

#define Strdin NSMutableString
#define String NSString
#define Dict NSMutableDictionary
#define Array NSMutableArray
#define Application [UIApplication sharedApplication]

NSMutableArray *newitems = [NSMutableArray new];
NSMutableDictionary *mydict = [NSMutableDictionary new];
NSMutableString *str = [NSMutableString];

Array *newitems = [Array new];
Dict *mydict = [Dict new];
Strdin *str = [Strdin new];

#import <Foundation/Foundation.h>
 
#define util [UtilClass getInstance]
 
@interface UtilClass : NSObject
 
+(UtilClass*) getInstance;
 
@property  NSString* hello;
 
@end

#import "UtilClass.h"
@implementation UtilClass
 
static UtilClass* UtilClass_st = nil;
 
+(UtilClass*) getInstance {
    if (UtilClass_st==nil) {
        UtilClass_st = [UtilClass new];
        UtilClass_st.hello = @"hello world";
      // bla bla
}
return UtilClass_st;
}
 
@end

NSLog(@"singlton string value is %@", util.hello);

NSData *d = [[NSData alloc] initWithContentsOfFile:rootFileResourcePath(@"hello.txt")];

static void sname(NSString *str) { 
    NSLog(@"dfddf %@",str); 
}

static NSMutableArray* stringExplode(NSString * str, NSString * delemitter, bool empty) {
    NSMutableArray *a = [NSMutableArray new];
    NSArray *z = [str componentsSeparatedByString: delemitter];
    for (NSString *s in z) {
        if (s.length > 0 || empty) {
            [a addObject: [NSMutableString stringWithString:s]];
        }
    }
    return a;
}
 
//
 
NSArray *z = stringExplode(@"строка1;строка2;",@";",NO);
 
NSLog(@"%@",z);