//=== Initialiseer Google Analytics in je AppDelegate:
 
#import "GANTracker.h"
 
- (void)applicationDidFinishLaunching:(UIApplication *)application
{
    //--- Google Analytics
 
    [[GANTracker sharedTracker] startTrackerWithAccountID:@"UA-12345678-1"
                                           dispatchPeriod:10
                                                 delegate:nil];
    ...
}
 
//=== En track de pageviews in je ViewControllers:
 
- (void)viewDidAppear:(BOOL)animated
{
    //--- Google Analytics
 
    NSError *error;
    [[GANTracker sharedTracker] trackPageview:@"NaamVanPagina" withError:&error];
 
    ...
}

//  UINavigationBarBackgroundImage.h
 
@interface UINavigationBar (BackgroundImage)
@end
 
//  UINavigationBarBackgroundImage.m
 
#import "UINavigationBarBackgroundImage.h"
 
@implementation UINavigationBar (BackgroundImage)
 
- (void)drawRect:(CGRect)rect
{
    [[UIImage imageNamed:@"navBarBackground.png"] drawInRect:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
}
 
@end

- (void)verversGegevens
{
    self.navigationItem.rightBarButtonItem = _reloadButtonItemWithActivity;
    [self.view addSubview:_propellortje];
    [_propellortje startAnimating];
    [self.tableView setAlpha:.5];
 
    _retryCount = 0;
    [_connection cancel];
    self.request = [NSURLRequest requestWithURL:[NSURL URLWithString:_remotePath] cachePolicy:0 timeoutInterval:5];
    self.connection = [[NSURLConnection alloc] initWithRequest:_request delegate:self];
}
 
#pragma mark --- NSURLConnection delegate methods ---
 
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
{
    if (_retryCount++ < 2)
    {
        [_connection cancel];
        self.request = [NSURLRequest requestWithURL:[NSURL URLWithString:_remotePath] cachePolicy:0 timeoutInterval:15];
        self.connection = [[NSURLConnection alloc] initWithRequest:_request delegate:self];
        NSLog(@"Connection error -> RETRY");
    }
    else
    {
        self.navigationItem.rightBarButtonItem = _reloadButtonItem;
        [_propellortje stopAnimating];
        [_propellortje removeFromSuperview];
        NSLog(@"Connection error %@", error); 
 
        //TODO: foutmelding naar gebruiker
    }
}