使用resizableImageWithCapInsets崩溃：UIEdgeInsetsMake [英] Crashing using resizableImageWithCapInsets:UIEdgeInsetsMake

问题描述

基本上，我使用的是resizableImageWithCapInsets：UIEdgeInsetsMake。但我不确定这是否是我崩溃的原因。我正在我的表格单元格上添加这些可调整大小的图像。我不确定这是怎么发生的。

Basically, I am using resizableImageWithCapInsets:UIEdgeInsetsMake. But I am not sure if this is the source of my crash. I am adding these resizable images on my table cell. I am not exactly sure on how this is occuring.

这是日志。

 Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
    Exception Codes: KERN_INVALID_ADDRESS at 0xa1eab0c4
    Crashed Thread:  0

    Thread 0 name:  Dispatch queue: com.apple.main-thread
    Thread 0 Crashed:
    0   libobjc.A.dylib                 0x3966c5d0 objc_msgSend + 16
    1   Foundation                      0x3aa1750c probeGC + 60
    2   Foundation                      0x3aa1d526 -[NSConcreteMapTable removeObjectForKey:] + 30
    3   UIKit                           0x39e9f46c -[_UIImageViewPretiledImageWrapper dealloc] + 76
    4   libobjc.A.dylib                 0x3966e490 (anonymous namespace)::AutoreleasePoolPage::pop(void*) + 164
    5   CoreFoundation                  0x3a72882c _CFAutoreleasePoolPop + 12
    6   Foundation                      0x3aa12e10 -[NSAutoreleasePool release] + 116
    7   UIKit                           0x39b0f80c -[UITableView layoutSubviews] + 220
    8   UIKit                           0x39acb892 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 254
    9   QuartzCore                      0x37fce4e6 -[CALayer layoutSublayers] + 210
    10  QuartzCore                      0x37fce088 CA::Layer::layout_if_needed(CA::Transaction*) + 456
    11  QuartzCore                      0x37fcefac CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 12
    12  QuartzCore                      0x37fce996 CA::Context::commit_transaction(CA::Transaction*) + 234
    13  QuartzCore                      0x37fce7a8 CA::Transaction::commit() + 312
    14  QuartzCore                      0x37fce60c CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 56
    15  CoreFoundation                  0x3a7ba93e __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 18
    16  CoreFoundation                  0x3a7b8c34 __CFRunLoopDoObservers + 272
    17  CoreFoundation                  0x3a7b8f8e __CFRunLoopRun + 742
    18  CoreFoundation                  0x3a72c238 CFRunLoopRunSpecific + 352
    19  CoreFoundation                  0x3a72c0c4 CFRunLoopRunInMode + 100
    20  GraphicsServices                0x37a65336 GSEventRunModal + 70
    21  UIKit                           0x39b1c28c UIApplicationMain + 1116

推荐答案

我遇到了同样的问题，这只发生在iOS5.x调整大小的设备上该diplay以这种方式创建的一个的UIImage的UIImageView：

I had the same problem, this was happening only with devices with iOS5.x resizing an UIImageView that diplay an UIImage created in this way:

    UIEdgeInsets edgeInsets = UIEdgeInsetsMake(topCapHeight, leftCapWidth, topCapHeight, leftCapWidth);
    image = [originalImage resizableImageWithCapInsets:edgeInsets];

这可能是已在iOS6.x中修复的iOS错误

this is probably an iOS bug that has been fixed in iOS6.x

如果您的情况是使用镜像条件调整图像大小，您可以使用这种方式：

if your case is resizing the image with a mirror criteria you can use this way:

创建一个UIImage类别并添加此实例方法：

create a category of UIImage and add this instance method:

- (UIImage*)resizableImageWithLeftCapWidth:(NSInteger)leftCapWidth topCapHeight:(NSInteger)topCapHeight </b>
{
    UIImage *image = nil;    
    float osVersion = [[[UIDevice currentDevice] systemVersion] floatValue];
    if (osVersion < 6.0) {
        image = [self stretchableImageWithLeftCapWidth:leftCapWidth topCapHeight:topCapHeight];
    } else {
        UIEdgeInsets edgeInsets = UIEdgeInsetsMake(topCapHeight, leftCapWidth, topCapHeight, leftCapWidth);
        image = [self resizableImageWithCapInsets:edgeInsets];
    }
    return image;
}

方法：
- （UIImage *）stretchableImageWithLeftCapWidth：（NSInteger的）leftCapWidth topCapHeight：（NSInteger的）topCapHeight

iOS的文档中，但不是在框架已被弃用，这意味着您可以在iOS5.x设备中运行应用程序时使用它，没有任何问题，并使用iOS 6或更高版本的设备使用新支持的方法。

has been deprecated in the iOS documentation but not in the framework, this mean that you can use it when you are running your app in a device whit iOS5.x without any problem, and user the new supported method with devices with iOS 6 or higher.

这篇关于使用resizableImageWithCapInsets崩溃：UIEdgeInsetsMake的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！