numo16

#define ApplicationDelegate                 ((AppDelegate *)[[UIApplication sharedApplication] delegate])
#define UserDefaults                        [NSUserDefaults standardUserDefaults]
#define NotificationCenter                  [NSNotificationCenter defaultCenter]
#define SharedApplication                   [UIApplication sharedApplication]
#define Bundle                              [NSBundle mainBundle]
#define MainScreen                          [UIScreen mainScreen]
#define ShowNetworkActivityIndicator()      [UIApplication sharedApplication].networkActivityIndicatorVisible = YES
#define HideNetworkActivityIndicator()      [UIApplication sharedApplication].networkActivityIndicatorVisible = NO
#define NetworkActivityIndicatorVisible(x)  [UIApplication sharedApplication].networkActivityIndicatorVisible = x
#define NavBar                              self.navigationController.navigationBar

kristopherjohnson

@implementation NSData (ZipFile)

- (BOOL)isZipFormatData {
    // Zip files start with the bytes { 50, 4b, 03, 04 }
    
    if (self.length < 4)
        return NO;
    
    unsigned char signature[4];
    [self getBytes:signature length:sizeof(signature)];

danielphillips

@interface UILabel (dynamicSizeMe)

-(float)resizeToFit;
-(float)expectedHeight;

@end