两个页面之间的动画跳转。

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    // Override point for customization after application launch.
    
    FirstViewController *firstView=[[FirstViewController alloc]init];
    UINavigationController *nav=[[UINavigationController alloc]initWithRootViewController:firstView];
    self.window.rootViewController=nav;
    
    
    
    self.window.backgroundColor = [UIColor whiteColor];
    [self.window makeKeyAndVisible];
    return YES;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    self.title=@"FirstVC";
    self.view.backgroundColor=[UIColor redColor];
}
//点击页面任何处跳转到页面二
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    SecondViewController *secondVC=[[SecondViewController alloc]init];
    
    [UIView beginAnimations:nil context:nil];
    [UIView setAnimationDuration:0.9];
    [UIView setAnimationTransition:UIViewAnimationTransitionFlipFromLeft forView:self.view cache:YES];
    [self.navigationController pushViewController:secondVC animated:NO];
    [UIView commitAnimations];
    
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    self.title=@"SecondVC";
    self.view.backgroundColor=[UIColor blueColor];
}