我在 iOS 上使用 pdfTron。我已经成功地将 PDFTron 与我的 iOS 应用程序集成。
现在我面临一个问题,如果选择了已创建的注释并尝试从视图返回,则应用程序将因 EXC_BAD_ACCESS错误而崩溃。我可以在返回时看到上一个屏幕。在上一个屏幕出现后,应用程序在 main.js 中崩溃。当我在没有选择注释的情况下返回时不会发生这种情况。
* thread #1: tid = 0x14c78, 0x0281b3f6 myProject`___lldb_unnamed_symbol40638$$myProject + 22, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x800000a0)
frame #0: 0x0281b3f6 myProject`___lldb_unnamed_symbol40638$$myProject + 22
frame #1: 0x0250ce31 myProject`___lldb_unnamed_symbol28291$$myProject + 49
frame #2: 0x01bf03f8 myProject`TRN_AnnotIsValid + 40
frame #3: 0x01afd0ba myProject`ObjCPP_PTAnnot_IsValid + 34
frame #4: 0x01a80e0a myProject`-[PTAnnot IsValid] + 32
frame #5: 0x0199d062 myProject`-[AnnotEditTool deselectAnnotation] + 66
frame #6: 0x0198e96b myProject`-[AnnotEditTool willMoveToSuperview:] + 91
frame #7: 0x066e21ce UIKit`__UIViewWillBeRemovedFromSuperview + 305
frame #8: 0x066e1ee3 UIKit`-[UIView(Hierarchy) removeFromSuperview] + 99
frame #9: 0x019a0c09 myProject`-[ToolManager dealloc] + 73
frame #10: 0x06ef413d UIKit`-[UIView(UIKitManual) release] + 142
frame #11: 0x01a7acae myProject`-[PTPDFViewCtrl dealloc] + 588
frame #12: 0x06ef413d UIKit`-[UIView(UIKitManual) release] + 142
frame #13: 0x08e0ca57 CoreFoundation`CFRelease + 727
frame #14: 0x08e2285e CoreFoundation`-[__NSArrayM dealloc] + 142
frame #15: 0x08966060 libobjc.A.dylib`objc_object::sidetable_release(bool) + 238
frame #16: 0x08965361 libobjc.A.dylib`objc_release + 65
frame #17: 0x0896652d libobjc.A.dylib`(anonymous namespace)::AutoreleasePoolPage::pop(void*) + 371
frame #18: 0x08e2d508 CoreFoundation`_CFAutoreleasePoolPop + 24
frame #19: 0x08e65cdc CoreFoundation`__CFRunLoopRun + 2364
frame #20: 0x08e650e6 CoreFoundation`CFRunLoopRunSpecific + 470
frame #21: 0x08e64efb CoreFoundation`CFRunLoopRunInMode + 123
frame #22: 0x0a49a664 GraphicsServices`GSEventRunModal + 192
frame #23: 0x0a49a4a1 GraphicsServices`GSEventRun + 104
frame #24: 0x0662bbfa UIKit`UIApplicationMain + 160
* frame #25: 0x0013c23c myProject`main(argc=1, argv=0xbffaa928) + 140 at main.m:16
frame #26: 0x09e6ca21 libdyld.dylib`start + 1