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我正在使用 UIPresentationController 进行菜单的自定义模式演示在此处输入图像描述

这部分很好，假设我点击了“反馈”，我在上面展示了另一个控制器。

问题是在关闭反馈控制器后，菜单视图的大小变满了在此处输入图像描述

我的演示控制器类在下面

#import "MRMenuPresentationController.h"

@implementation MRMenuPresentationController

@synthesize dimmingView;


-(void)presentationTransitionWillBegin
{

    UITapGestureRecognizer * theTapGesture = [UITapGestureRecognizer new];

    theTapGesture.numberOfTapsRequired = 1;

    theTapGesture.numberOfTouchesRequired = 1;

    [theTapGesture addTarget:self action:@selector(handleTap:)];

    dimmingView = [UIView new];

    [dimmingView addGestureRecognizer:theTapGesture];

    dimmingView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.7];

    self.dimmingView.frame = self.containerView.bounds;

    self.dimmingView.alpha = 0.0;

    [self.containerView addSubview:dimmingView];
    [self.containerView addSubview:self.presentedView];

    // Fade in the dimming view alongside the transition
    id<UIViewControllerTransitionCoordinator> transitionCoordinator = self.presentingViewController.transitionCoordinator;

    [transitionCoordinator animateAlongsideTransition:^(id<UIViewControllerTransitionCoordinatorContext> context) {

        self.dimmingView.alpha  = 1.0;

    } completion:nil];


}

-(void)presentationTransitionDidEnd:(BOOL)completed
{
    if (!completed) {

        [self.dimmingView removeFromSuperview];
    }
}

-(CGRect)frameOfPresentedViewInContainerView
{
    CGRect frame = self.containerView.bounds;

    frame.size.width = frame.size.width - 50 ;

    return frame;
}

-(void)dismissalTransitionWillBegin
{
    id<UIViewControllerTransitionCoordinator> transitionCoordinator = self.presentingViewController.transitionCoordinator;

    [transitionCoordinator animateAlongsideTransition:^(id<UIViewControllerTransitionCoordinatorContext> context) {

        self.dimmingView.alpha  = 0.0;

    } completion:nil];

}

-(void)dismissalTransitionDidEnd:(BOOL)completed
{
    if (completed) {

        [self.dimmingView removeFromSuperview];
    }
}

请告诉我我错过了什么

提前致谢

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