我们收到了一些关于 UIWebSelectSinglePicker 崩溃的报告。我们猜测这是由于空数据源数组造成的。虽然这发生在 WebView 中。我们如何解决这个问题？更喜欢纯本地解决方案
编辑
只发生在同时运行 iOS7 和 iOS8 的 iPhone 上
1 CoreFoundation __exceptionPreprocess + 127
2 libobjc.A.dylib objc_exception_throw + 36
3 CoreFoundation -[__NSArrayM objectAtIndex:] + 228
4 UIKit -[UIWebSelectSinglePicker pickerView:didSelectRow:inComponent:] + 56
5 UIKit -[UIPickerView _sendSelectionChangedForComponent:notify:] + 90
6 UIKit -[UIPickerTableView _scrollingFinished] + 152
7 UIKit -[UIScrollView(UIScrollViewInternal) _stopScrollDecelerationNotify:] + 842
8 UIKit -[UIScrollView(UIScrollViewInternal) _stopScrollingNotify:pin:tramplingDragFlags:] + 502
9 UIKit -[UIScrollView(UIScrollViewInternal) _stopScrollingNotify:pin:] + 28
10 UIKit -[UIScrollView _smoothScrollWithUpdateTime:] + 208
11 QuartzCore CA::Display::DisplayLinkItem::dispatch() + 96
12 QuartzCore CA::Display::DisplayLink::dispatch_items(unsigned long long, unsigned long long, unsigned long long) + 364
13 IOMobileFramebuffer IOMobileFramebufferVsyncNotifyFunc + 88
14 IOKit IODispatchCalloutFromCFMessage + 254
15 CoreFoundation __CFMachPortPerform + 130
16 CoreFoundation __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 32
17 CoreFoundation __CFRunLoopDoSource1 + 344
18 CoreFoundation __CFRunLoopRun + 1606
19 CoreFoundation CFRunLoopRunSpecific + 474
20 CoreFoundation CFRunLoopRunInMode + 104
21 GraphicsServices GSEventRunModal + 134
22 UIKit UIApplicationMain + 1438
23 MYAPP main (main.m:16)
24 libdyld.dylib start + 0
最佳答案
我猜这与 another issue here on SO 有关
从 HTML 触发的 WebView 和系统控件存在问题。
关于ios - UIWebSelectSinglePicker 崩溃，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/29601077/