- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
self.window = [[UIWindow alloc]initWithFrame:[[UIScreen mainScreen]bounds]];
CYTabBarController * tabbar = [[CYTabBarController alloc]init];
[tabbar addChildController:[ViewController new] title:@"xx" imageName:@"xx" selectedImageName:@"xx"];
[tabbar addChildController:[ViewController2 new] title:@"xx" imageName:@"xx" selectedImageName:@"xx"];
[tabbar addCenterController:nil bulge:YES title:@"xx" imageName:@xx" selectedImageName:@"xx"];
self.window.rootViewController = tabbar;
[self.window makeKeyAndVisible];
return YES;
}