[Objective-C] フリップアニメーションでビューを切り替える ref: http://qiita.com/edo_m18/items/45fcbc67154eb68ef469

file0.m

UIView *view1 = [[UIView alloc] initWithFrame:self.view.bounds];
view1.backgroundColor = [UIColor redColor];

UIView *view2 = [[UIView alloc] initWithFrame:self.view.bounds];
view2.backgroundColor = [UIColor blueColor];

[self.view addSubview:view1];
[self.view addSubview:view2];

// 追加と同時に行うとアニメーションしないので、サンプルでは処理をちょっとだけ遅延させています
dispatch_time_t time = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(3 * NSEC_PER_MSEC));
dispatch_after(time, dispatch_get_main_queue(), ^{
    [UIView transitionFromView:view2 toView:view1 duration:5 options:UIViewAnimationOptionTransitionFlipFromLeft completion:^(BOOL finished) {
        NSLog(@"Animation end.");
    }]
});

file1.m

// パースペクティブを設定
CATransform3D perspective = CATransform3DIdentity;
perspective.m34 = 1.0 / 500;
self.view.layer.sublayerTransform = perspective;

file2.m

view.layer.doubleSided = NO;

file3.m

@property (strong, nonatomic) UIView *frontView;
@property (strong, nonatomic) UIView *backView;

file4.m

/**
 *  Viewのセットアップ
 */
- (void)setup
{
    CGRect viewFrame = CGRectMake(0, 100, self.view.bounds.size.width, 44);
    CGRect btnFrame  = CGRectMake(0, 0, viewFrame.size.width, viewFrame.size.height);

    // フリップするふたつのビューを生成
    self.frontView = [[UIView alloc] initWithFrame:viewFrame];
    self.frontView.backgroundColor   = [UIColor redColor];
    self.frontView.layer.doubleSided = NO; // 背面をレンダリングしない

    self.backView = [[UIView alloc] initWithFrame:viewFrame];
    self.backView.backgroundColor   = [UIColor blueColor];
    self.backView.layer.doubleSided = NO; // 背面をレンダリングしない
    self.backView.layer.transform   = CATransform3DMakeRotation(M_PI, 1.0, 0.0, 0); // X軸に対して180度回転

    UIButton *backBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    backBtn.frame = btnFrame;
    [backBtn setTitle:@"フリップ" forState:UIControlStateNormal];
    [backBtn addTarget:self
                action:@selector(toggle:)
      forControlEvents:UIControlEventTouchUpInside];
    [self.backView addSubview:backBtn];

    UIButton *frontBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    frontBtn.frame = btnFrame;
    [frontBtn setTitle:@"フリップ" forState:UIControlStateNormal];
    [frontBtn addTarget:self
                 action:@selector(toggle:)
       forControlEvents:UIControlEventTouchUpInside];
    [self.frontView addSubview:frontBtn];

    // ビューを追加
    [self.view addSubview:self.backView];
    [self.view addSubview:self.frontView];


    // パースペクティブを設定
    CATransform3D perspective = CATransform3DIdentity; //Identityは3Dマトリクスの初期値。数字で言えば`1`と同じ。演算しても結果が変わらない
    perspective.m34 = 1.0 / 1000;
    self.view.layer.sublayerTransform = perspective;
}

file5.m

/**
 *  アニメーションのトグル
 */
- (void)toggle:(id)sender
{
    static BOOL toggleFlg = NO;

    [CATransaction begin];

    CATransform3D toFrontTransform = CATransform3DMakeRotation(M_PI * 2, 1.0, 0.0, 0.0);
    CATransform3D toBackTransform  = CATransform3DMakeRotation(M_PI,     1.0, 0.0, 0.0);

    // BasicAnimationを開始
    CABasicAnimation *toFrontAnim = [CABasicAnimation animationWithKeyPath:@"transform"];
    CABasicAnimation *toBackAnim  = [CABasicAnimation animationWithKeyPath:@"transform"];

    // アニメーション終了後の状態を維持
    toFrontAnim.removedOnCompletion = NO;
    toFrontAnim.fillMode            = kCAFillModeForwards;
    toBackAnim.removedOnCompletion  = NO;
    toBackAnim.fillMode             = kCAFillModeForwards;

    static const CFTimeInterval duration = 0.5;

    toFrontAnim.toValue   = [NSNumber valueWithCATransform3D:toFrontTransform];
    toFrontAnim.duration  = duration;

    toBackAnim.toValue    = [NSNumber valueWithCATransform3D:toBackTransform];
    toBackAnim.duration   = duration;

    // アニメーション終了時の処理
    [CATransaction setCompletionBlock:^{
        // アニメーション後の状態を設定
        if (toggleFlg) {
            self.frontView.layer.transform = CATransform3DMakeRotation(M_PI, 1.0, 0.0, 0);
            self.backView.layer.transform  = CATransform3DMakeRotation(0,    1.0, 0.0, 0);
            self.frontView.hidden = YES;
        }
        else {
            self.frontView.layer.transform = CATransform3DMakeRotation(0,    1.0, 0.0, 0);
            self.backView.layer.transform  = CATransform3DMakeRotation(M_PI, 1.0, 0.0, 0);
            self.backView.hidden = YES;
        }
    }];

    self.frontView.hidden = NO;
    self.backView.hidden  = NO;

    if ((toggleFlg = !toggleFlg)) {
        [self.frontView.layer addAnimation:toBackAnim  forKey:@"toBack"];
        [self.backView.layer  addAnimation:toFrontAnim forKey:@"toFront"];
    }
    else {
        [self.frontView.layer addAnimation:toFrontAnim forKey:@"toBack"];
        [self.backView.layer  addAnimation:toBackAnim  forKey:@"toFront"];
    }


    // アニメーションをコミット
    [CATransaction commit];
}