ios崩溃问题-EXC\u访问错误

ios崩溃问题-EXC\u访问错误,ios,exception,Ios,Exception,我从Crashlytics收到这个错误消息 异常类型:EXC\U错误\U访问代码:0xd000000c处的KERN\U无效\U地址 Thread 0: Crashed: com.apple.main-thread 0 libobjc.A.dylib 0x3b283b26 objc_msgSend + 5 1 TestApp 0x0012b239 -[EasyTableView scrollViewDidScroll:]

我从Crashlytics收到这个错误消息

异常类型:EXC\U错误\U访问代码:0xd000000c处的KERN\U无效\U地址

Thread 0: Crashed: com.apple.main-thread
0  libobjc.A.dylib                0x3b283b26 objc_msgSend + 5
1  TestApp                       0x0012b239 -[EasyTableView scrollViewDidScroll:]      (EasyTableView.m:291)
2  UIKit                          0x339f006d -[UIScrollView(UIScrollViewInternal) _notifyDidScroll] + 64
3  UIKit                          0x3376d375 -[UIScrollView setContentOffset:] + 596
4  UIKit                          0x3381b005 -[UITableView setContentOffset:] + 320
5  UIKit                          0x3376d0e7 -[UIScrollView _adjustContentOffsetIfNecessary] + 1354
6  UIKit                          0x33820773 -[UIScrollView(UIScrollViewInternal) _stopScrollingNotify:pin:tramplingDragFlags:] + 414
7  UIKit                          0x338205cb -[UIScrollView(UIScrollViewInternal) _stopScrollingNotify:pin:] + 30
8  UIKit                          0x33820587 -[UIScrollView removeFromSuperview] + 30
9  UIKit                          0x3374e687 -[UIView dealloc] + 366
10 liboainject.dylib              0x002d86cd ___swapMethods_block_invoke_4
11 UIKit                          0x3374e687 -[UIView dealloc] + 366
12 liboainject.dylib              0x002d86cd ___swapMethods_block_invoke_4
13 UIKit                          0x3374e687 -[UIView dealloc] + 366
14 liboainject.dylib              0x002d86cd ___swapMethods_block_invoke_4
15 libobjc.A.dylib                0x3b285007 (anonymous namespace)::AutoreleasePoolPage::pop(void*) + 358
16 liboainject.dylib              0x002d7d33 __oa__objc_autoreleasePoolPop
17 CoreFoundation                 0x30f10a41 _CFAutoreleasePoolPop + 16
18 UIKit                          0x337464cd _wrapRunLoopWithAutoreleasePoolHandler + 36
19 CoreFoundation                 0x30fa81d5 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 20
20 CoreFoundation                 0x30fa5b79 __CFRunLoopDoObservers + 284
21 CoreFoundation                 0x30fa5ebb __CFRunLoopRun + 730
22 CoreFoundation                 0x30f10ce7 CFRunLoopRunSpecific + 522
23 CoreFoundation                 0x30f10acb CFRunLoopRunInMode + 106
24 GraphicsServices               0x35bfa283 GSEventRunModal + 138
25 UIKit                          0x337b2a41 UIApplicationMain + 1136
26 TestApp                       0x000ea19d main (main.m:16)
我的代码(EasyTableView.m:291)如下

- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
    if ([delegate respondsToSelector:@selector(easyTableView:scrolledToOffset:)])
        [delegate easyTableView:self scrolledToOffset:self.contentOffset];
}

- (CGPoint)contentOffset {
    CGPoint offset = self.tableView.contentOffset;

    if (_orientation == EasyTableViewOrientationHorizontal)
        offset = CGPointMake(offset.y, offset.x);

    return offset;
}


- (void)setContentOffset:(CGPoint)offset {
    if (_orientation == EasyTableViewOrientationHorizontal)
        self.tableView.contentOffset = CGPointMake(offset.y, offset.x);
    else
        self.tableView.contentOffset = offset;
}

我试着用僵尸进行调试,并检查了仪器的泄漏情况。但我什么也没找到。我如何解决这个问题?提前感谢

您应该在Swift中清除
解除锁定
中的
滚动视图
表格视图
代表:

deinit {
   self.scrollView.delegate = nil
   self.tableView.delegate = nil
}

你能重现这个问题吗?我建议,这有助于缩小错误范围。在我看来,这就像是一个委托指针指向已解除分配的对象。