Question

真的希望你能帮助我！我对Subviews有一个奇怪的问题。我试图在我的一个Subviews中做一个简单的IBAction但是只要我点击我的按钮，它就会给我一些内存错误。我试图将它添加到属性并合成按钮。

我有一个水平滚动滚动视图，为垂直滚动添加了一个子视图，第二个子视图包含我的按钮所在的视图控制器。

如果我点击该按钮，我会收到一个BAD ACCESS错误。 NSZombie给了我这个错误：

2012-04-05 14：26：06.924 SlideAppTest [44978：f803] * - [SubSlide1Hoofdstuk3 performSelector：withObject：withObject：]：消息发送到解除分配的实例0x6c4bfe0

这是我的代码：

// RootSlideHoofdstuk3.h（垂直滚动）

#import <UIKit/UIKit.h>

@interface RootSlideHoofdstuk3 : UIViewController
<UIScrollViewDelegate>
{

}
@property (weak, nonatomic) IBOutlet UIScrollView *scrollView;

@end

// RootSlideHoofdstuk3.m（垂直滚动）

#import "RootSlideHoofdstuk3.h"
#import "SubSlide1Hoofdstuk3.h"

@implementation RootSlideHoofdstuk3
@synthesize scrollView = _scrollView;

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

- (void)viewDidLoad
{
    [super viewDidLoad];

    _scrollView.pagingEnabled = YES;
    _scrollView.contentSize = CGSizeMake(_scrollView.frame.size.width,_scrollView.frame.size.height);
    _scrollView.showsHorizontalScrollIndicator = NO;
    _scrollView.showsVerticalScrollIndicator = NO;
    _scrollView.scrollsToTop = NO;    
    _scrollView.bounces = NO;
    _scrollView.delegate = self;

    SubSlide1Hoofdstuk3 *subslide1 = [[SubSlide1Hoofdstuk3 alloc] init];
    CGRect frame = self.view.frame;
    frame.origin.x = 0;
    frame.origin.y = 0;
    subslide1.view.frame = frame;
    [_scrollView addSubview:subslide1.view]; 
}

// SubSlide1Hoofdstuk3.h（幻灯片视图控制器）

#import <UIKit/UIKit.h>

@interface SubSlide1Hoofdstuk3 : UIViewController {
    UIButton *button;
}

@property (nonatomic, retain) IBOutlet UIButton *button;

@end

// SubSlide1Hoofdstuk3.m（幻灯片视图控制器）

#import "SubSlide1Hoofdstuk3.h"

@implementation SubSlide1Hoofdstuk3
@synthesize button = _button;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];

}

-(IBAction)buttonActie {
    NSLog(@"Button clicked!");
}

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

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    return YES;
}

Answer 1

看起来您的问题不在UIButton中，而是在UIScrollView中。您将该属性声明为弱，它应该是强大的（或者如果您不尝试使用ARC则保留）

UIScrollview中的IBAction＆gt;子视图

1 个答案: