iOS:自定义模态动画 --UIPresentationController

#import <UIKit/UIKit.h>

@interface CustomPresentationController : UIPresentationController

@end

#import "CustomPresentationController.h"

@implementation CustomPresentationController


//可以改变被模态的控制器视图的尺寸
//- (CGRect)frameOfPresentedViewInContainerView
//{
//    
//    /**  containerView是容纳presentedView的一个容器  */
//    //return CGRectMake(0,50,self.containerView.frame.size.width,self.containerView.frame.size.height-100);
//    
//    return CGRectInset(self.containerView.bounds, 0, 50);
//}

//过渡即将开始时的处理
- (void)presentationTransitionWillBegin
{
    self.presentedView.frame = self.containerView.frame;
    [self.containerView addSubview:self.presentedView];
}


- (void)presentationTransitionDidEnd:(BOOL)completed
{
     
}
- (void)dismissalTransitionWillBegin
{
    
}

//过渡消失时的处理
- (void)dismissalTransitionDidEnd:(BOOL)completed
{
    [self.presentedView removeFromSuperview];
}
@end

#import <UIKit/UIKit.h>

@interface CustomAnimationTransition : NSObject<UIViewControllerAnimatedTransitioning>
@property (assign,nonatomic)BOOL presented;
@end

#import "CustomAnimationTransition.h"
#import "UIView+Extension.h"

const CGFloat duration = 1.0f;

@implementation CustomAnimationTransition


#pragma mark -<UIViewControllerAnimatedTransitioning>
//动画时间
- (NSTimeInterval)transitionDuration:(id <UIViewControllerContextTransitioning>)transitionContext
{
    return duration;
}
//设置过渡动画（modal和dismiss的动画都需要在这里处理）
- (void)animateTransition:(id <UIViewControllerContextTransitioning>)transitionContext
{
    // UITransitionContextToViewKey,
    // UITransitionContextFromViewKey.
    
    //出来的动画
    if (self.presented) {
        
        UIView *toView = [transitionContext viewForKey:UITransitionContextToViewKey];
        //toView.y = -toView.height;  //设置动画从上往下进来
        toView.x = toView.width;      //设置动画从右往左进来
        
        //设置动画3D旋转
        //toView.layer.transform = CATransform3DMakeRotation(M_PI_2, 1, 1, 0);
        
        [UIView animateWithDuration:duration animations:^{
            
            //toView.y = 0;
            toView.x = 0;
            
            //toView.layer.transform = CATransform3DIdentity;
            
        } completion:^(BOOL finished) {
            
            //动画完成后,视图上的事件才能处理
            [transitionContext completeTransition:YES];
        }];
    }
    //销毁的动画
    else
    {
        [UIView animateWithDuration:duration animations:^{
            
            UIView *fromView = [transitionContext viewForKey:UITransitionContextFromViewKey];
            
            //fromView.y = -fromView.height;
            fromView.x = -fromView.width;     //从右往左出去
            
            //fromView.layer.transform = CATransform3DMakeRotation(M_PI_2, 1, 1, 0);
            
        } completion:^(BOOL finished) {
            
            //动画完成后,视图上的事件才能处理
            [transitionContext completeTransition:YES];
        }];
    }
    
}
@end

#import <UIKit/UIKit.h>
#import "Singleton.h"


@interface Transition : NSObject<UIViewControllerTransitioningDelegate>
SingletonH(Transition);
@end

#import "Transition.h"
#import "CustomPresentationController.h"
#import "CustomAnimationTransition.h"

@implementation Transition
SingletonM(Transition);


#pragma mark - <UIViewControllerTransitioningDelegate>
//返回展示样式
-(UIPresentationController *)presentationControllerForPresentedViewController:(UIViewController *)presented presentingViewController:(UIViewController *)presenting sourceViewController:(UIViewController *)source
{
    return [[CustomPresentationController alloc]initWithPresentedViewController:presented presentingViewController:presenting];
}

//展示的动画
- (id <UIViewControllerAnimatedTransitioning>)animationControllerForPresentedController:(UIViewController *)presented presentingController:(UIViewController *)presenting sourceController:(UIViewController *)source
{
    CustomAnimationTransition *animation = [[CustomAnimationTransition alloc]init];
    animation.presented = YES;
    return animation;
}

//关闭时的动画
- (id <UIViewControllerAnimatedTransitioning>)animationControllerForDismissedController:(UIViewController *)dismissed
{
    CustomAnimationTransition *animation = [[CustomAnimationTransition alloc]init];
    animation.presented = NO;
    return animation;
}
@end

#import "ViewController.h"
#import "SecondViewController.h"
#import "UIView+Extension.h"
#import "Transition.h"

@interface ViewController ()
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {

    SecondViewController *second = [[SecondViewController alloc]init];
    
    //设置展示样式(自定义)
    second.modalPresentationStyle = UIModalPresentationCustom;//设置过渡代理(UIPresentationController)
    second.transitioningDelegate = [Transition sharedTransition];
    
    [self presentViewController:second animated:YES completion:nil];
}
@end