iPhone development

- (void)applicationDidFinishLaunching:(UIApplication *)application {    

	navigationController = [[UINavigationController alloc] init];
	
	WelcomeViewController *viewController = [[WelcomeViewController alloc] initWithNibName:@"WelcomeView"	bundle:nil];
	[navigationController pushViewController:viewController animated:NO];
	[viewController release];
	
	[window addSubview:navigationController.view];
	
    // Override point for customization after application launch
    [window makeKeyAndVisible];
}

- (IBAction)signIn:(id)sender
{
	LogInController *viewController = [[LogInController alloc] initWithNibName:@"LogInView" bundle:nil];
	[self.navigationController pushViewController:viewController animated:YES];
	[viewController release];
}

- (IBAction)doLogIn {
	TabBarController *viewController = [[TabBarController alloc] init];
	[self.navigationController pushViewController:viewController animated:YES];
	[viewController release];
}

- (void)viewDidLoad {
	TabBarOneController *placeholder1 = [[[TabBarOneController alloc] initWithTitle:@"One"] autorelease];
	TabBarTwoController *placeholder2 = [[[TabBarTwoController alloc] initWithTitle:@"Two"] autorelease];
	TabBarThreeController *placeholder3 = [[[TabBarThreeController alloc] initWithTitle:@"Three"] autorelease];
	TabBarFourController *placeholder4 = [[[TabBarFourController alloc] initWithTitle:@"Four"] autorelease];

tabBarController = [[UITabBarController alloc] init]; 
	tabBarController.viewControllers = [NSArray arrayWithObjects:placeholder1, placeholder2, placeholder3, placeholder4, nil]; 
	
	[placeholder1 release];
	[placeholder2 release];
	[placeholder3 release];
	[placeholder4 release];
	
	[self.view addSubview:tabBarController.view];
    [super viewDidLoad];
}

- (id)initWithTitle:(NSString*)theTitle {
	if (self = [super init]) {
		self.tabBarItem.image = [UIImage imageNamed:@"table.png"];
		self.title = theTitle;
	}
	return self;
}

- (IBAction)getFromCameraRoll:(id)sender
{
	[self presentModalViewController:[[ImagePickerController alloc] init] animated:YES];
}

[self.navigationController pushViewController:viewController animated:YES];

[self presentModalViewController:viewController animated:YES];

NSURLConnection *theConnection = [[NSURLConnection alloc] initWithRequest:theRequest delegate:self];
	if( theConnection ) {
		webData = [[NSMutableData data] retain];
	}
	else {
		NSLog(@"theConnection is NULL");
	}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return [data count];
}

@interface TabBarViewController : UIViewController {
	UITabBarController *tabBarController;
}
@property(nonatomic, retain) IBOutlet UITabBarController *tabBarController;
@end

@implementation TabBarViewController

@synthesize tabBarController;
- (void)dealloc {
	[tabBarController release];
	[super dealloc];
}
@end

[self.view addSubview:tabBarController.view];

self.navigationItem.title = @"Some Title";

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
	DetalCardViewController *detailController = [[DetalCardViewController alloc] initWithNibName:@"DetalCardView" bundle:nil];
    [self.navigationController pushViewController:detailController animated:YES];
}