//在应用程序启动完成的时候调用

- (void)applicationDidFinishLaunching:(UIApplication *)application 

{

// Create Table View Controller with a clear background

TableListViewController *tlvc = [[TableListViewController alloc] init];

//在这里需要clean掉tableView身上的背景色，默认为白色，clean完是透明

tlvc.tableView.backgroundColor = [UIColor clearColor];

// Initialize Navigation Controller

UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:tlvc];

//导航栏上的背景

nav.navigationBar.tintColor = COOKBOOK_PURPLE_COLOR;//自定义的颜色

// Load in the backsplash image into a view

UIImageView *iv = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Backsplash.png"]] autorelease];//构建一张图片

// Create main window and add backsplash and navigation controller view

UIWindow *window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

[window addSubview:iv];//将图片添加到window上面

[window addSubview:nav.view];//再将透明的tableView添加到window上面

[window makeKeyAndVisible];

}