ios激情详解之动画页面翻转

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////  Created by WDX on 15/9/23.//  Copyright (c) 2015年 WDongXu. All rights reserved.//#import "RootViewController.h"#import "SecondViewController.h"#import "ThirdViewController.h"@interface RootViewController ()// 声明两个控制器@property (nonatomic, retain)SecondViewController *secondVC;@property (nonatomic, retain)ThirdViewController *thirdVC;// 声明一个状态 标识是哪个view@property (nonatomic, assign)BOOL isShowSecondView;@end@implementation RootViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view.    self.view.backgroundColor = [UIColor blueColor];    [self addChildViews];    [self addButtonItem];}

// 添加控制器并显示视图- (void)addChildViews{       // 创建控制器    self.thirdVC = [[ThirdViewController alloc]init];    // 把该控制器添加成rootVC的子控制器    [self addChildViewController:self.thirdVC];    // 显示thirdVC.view显示出来    [self.view addSubview:self.thirdVC.view];    [_thirdVC release];        // 创建控制器    self.secondVC = [[SecondViewController alloc] init];    // 把该控制器添加成 rootVC 的子控制器    [self addChildViewController:self.secondVC];    //把secondVC .view显示出来    [self.view addSubview:self.secondVC.view];    [_secondVC release];    // 被标识一个初值,一开始显示的页面    self.isShowSecondView = YES;}

// 添加按钮- (void)addButtonItem{     UIBarButtonItem *button = [[UIBarButtonItem alloc] initWithTitle:@"转" style:(UIBarButtonItemStylePlain) target:self action:@selector(actionButton:)];    self.navigationItem.leftBarButtonItem = button;    [button release];}- (void)actionButton:(UIBarButtonItem *)button{        if (_isShowSecondView == YES) {                // UIView 切换动画        [UIView transitionFromView:self.secondVC.view toView:self.thirdVC.view duration:1 options:UIViewAnimationOptionTransitionFlipFromRight completion:^(BOOL finished) {        }];    } else {            // 切换回来        [UIView transitionFromView:self.thirdVC.view toView:self.secondVC.view duration:1 options:UIViewAnimationOptionTransitionFlipFromLeft completion:^(BOOL finished) {                    }];    }    // 更改标识状态    _isShowSecondView =! _isShowSecondView;}

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