04

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];

    // Override point for customization after application launch.

    self.window.backgroundColor = [UIColor whiteColor];

    

    

    //创建承载视图，画纸

    UIView *containerView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

    containerView.backgroundColor = [UIColor whiteColor];

    [self.window addSubview:containerView];

    [containerView release];

    

    CGFloat screenWidth = [[UIScreen mainScreen] bounds].size.width;

    

    //创建一个自定义视图LTView

    LTView *userNameLTV = [[LTView alloc] initWithFrame:CGRectMake(30, 80, screenWidth - 60, 40) text:@"用户名:" textColor:[UIColor blackColor] font:[UIFont boldSystemFontOfSize:18] borderStyle:UITextBorderStyleRoundedRect placeholder:@"请输入用户名" secureTextEntry:NO keyboardType:UIKeyboardTypeDefault];

    userNameLTV.textField.delegate = self;

    [containerView addSubview:userNameLTV];

    [userNameLTV release];

    

    LTView *passwordLTV = [[LTView alloc] initWithFrame:CGRectMake(30, 150, screenWidth - 60, 40) text:@"密   码:" textColor:[UIColor blackColor] font:[UIFont boldSystemFontOfSize:18] borderStyle:UITextBorderStyleRoundedRect placeholder:@"请输入密码" secureTextEntry:YES keyboardType:UIKeyboardTypeDefault];

    passwordLTV.textField.delegate = self;

    [containerView addSubview:passwordLTV];

    [passwordLTV release];

    

    //用户名 密码 确认密码 邮箱 电话号码

    

    

    

    

    

    //创建一个视图控制器

    RootViewController *rootVC = [[RootViewController alloc] init];

    

    //将创建好的视图控制器指定为window的根视图控制器

    self.window.rootViewController = rootVC;

    

    //内存管理

    [rootVC release];

    

    [self.window makeKeyAndVisible];

    return YES;

}