ios6 – libMobileGestalt copySystemVersionDictionaryValue：无法从系统版本字典中查找ReleaseType

概述我在提交更新之前一直在测试…来自iOS4,并且已经遇到以下情况…… 1)从我的应用程序创建PDF. 2)似乎不一致,因为在大多数情况下我可以创建没有问题的新PDF. 3)崩溃日志指示ExportView的第341行崩溃,我已经配置了该行,因此该行上唯一的项目是CFRangeMake.请注意,控制台中存在一个值,因为在多行中使用了相同的值. 一些注意事项：使用Xcode 4.6,目标是iOS6,完全 我在提交更新之前一直在测试…来自iOS4,并且已经遇到以下情况…… 1)从我的应用程序创建pdf. 2)似乎不一致,因为在大多数情况下我可以创建没有问题的新pdf. 3)崩溃日志指示ExportVIEw的第341行崩溃,我已经配置了该行,因此该行上唯一的项目是CFRangeMake.请注意,控制台中存在一个值,因为在多行中使用了相同的值.

一些注意事项：使用Xcode 4.6,目标是iOS6,完全ARC,在新iPad上测试.

任何帮助都将非常感谢!!

我删除了一些崩溃日志和控制台日志以缩短这篇文章！对它的长度表示歉意！

要应用于pdf创建的字符串的方法：

- (CFMutableAttributedStringRef) CreateAttributedString:(int*) dateLength                                        TitleLength:(int*) TitleLength{    NSLog(@"Current EntryIndex: %d",_entryIndex);    NSLog(@"Current Entry: %@",_currentEntry); // current entry is set from the parent vIEw controller via PrepareForSegue    NSDateFormatter * dateFormatter = [[NSDateFormatter alloc] init];    [dateFormatter setDateFormat:@"MMMM dd,yyyy,h:mm aaa"];    Nsstring * dateString = [dateFormatter stringFromDate:_currentEntry.created];    *dateLength = [dateString length];    NSLog(@"DateString: %@",dateString);    NSLog(@"2nd DateLength: %d",*dateLength);    Nsstring *Title = _entryTitle;    *TitleLength = [Title length];    Nsstring *bodyString = _entryText;    Nsstring *contentString = [Nsstring stringWithFormat:@"%@\n\n%@\n%@",dateString,Title,bodyString];    NSLog(@"TitleString: %@",Title);    NSLog(@"BodyString: %@",bodyString);    NSLog(@"TitleLength: %d",*TitleLength);    CFStringRef string = (__brIDge CFStringRef)contentString;    CFMutableAttributedStringRef attributedContentString  CFAttributedStringCreateMutable(kcfAllocatorDefault,0);    CFAttributedStringReplaceString (attributedContentString,CFRangeMake(0,0),string);    return  attributedContentString;    } - (voID) SetTextFontname:(int)dateLength TitleLength:(int)TitleLength forAttributedString:(CFMutableAttributedStringRef) text{    //date    CTFontDescriptorRef dateFontDescriptor = CTFontDescriptorCreateWithnameAndSize((__brIDge CFStringRef)_entryDateTimeFontname,_entryDateTimeFontSize);    CTFontRef dateFont = CTFontCreateWithFontDescriptor(dateFontDescriptor,_entryDateTimeFontSize,NulL);    NSLog(@"Font entryDateTimeFontSize,line 329: %d",_entryDateTimeFontSize);    NSLog(@"DateFontDescriptor,line 329: %@",dateFontDescriptor);    CFAttributedStringSetAttribute(text,dateLength),kCTFontAttributename,dateFont);    NSLog(@"DateLength... before crash: %d",dateLength);    NSLog(@"DateLength... crashing: %d",dateLength);    CFAttributedStringSetAttribute(text,// this is line 341...                               kCTForegroundcolorAttributename,_entryDateTimecolor.CGcolor);    NSLog(@"Date length for line 332: %d",dateLength);    NSLog(@"Text for line 332: %@",text);    NSLog(@"Font name... Font attributes line 332: %@",dateFont);    NSLog(@"Date length for line 333: %d",dateLength);    NSLog(@"Text for line 333: %@",text);    NSLog(@"Date color for line 333: %@",_entryDateTimecolor.CGcolor);    CFRelease(dateFontDescriptor);    CFRelease(dateFont);    //Title    CTTextAlignment alignment = kCTCenterTextAlignment;    CTParagraphStyleSetting _settings[] = {{kCTParagraphStyleSpecifIErAlignment,sizeof(alignment),&alignment}};    CTParagraphStyleRef paragraphStyle = CTParagraphStyleCreate(_settings,sizeof(_settings) / sizeof(_settings[0]));    CFAttributedStringSetAttribute(text,CFRangeMake(dateLength,dateLength + TitleLength),kCTParagraphStyleAttributename,paragraphStyle);    CTFontDescriptorRef TitleFontDescriptor = CTFontDescriptorCreateWithnameAndSize((__brIDge CFStringRef)_entryTitleFontname,_entryTitleFontSize);    CTFontRef TitleFont = CTFontCreateWithFontDescriptor(TitleFontDescriptor,_entryTitleFontSize,NulL);    NSLog(@"TitleFontDescriptor: %@",TitleFontDescriptor);    CFAttributedStringSetAttribute(text,TitleFont);    CFAttributedStringSetAttribute(text,kCTForegroundcolorAttributename,_entryTitlecolor.CGcolor);    NSLog(@"Titlecolor: %@",_entryTitlecolor);    NSLog(@"Titlecolor: %@",_entryTitlecolor.CGcolor);    CFRelease(TitleFontDescriptor);    CFRelease(TitleFont);    //content    CTFontDescriptorRef FontDescriptor = CTFontDescriptorCreateWithnameAndSize((__brIDge CFStringRef)_entryTextFontname,_entryTextFontSize);    CTFontRef Font = CTFontCreateWithFontDescriptor(FontDescriptor,_entryTextFontSize,NulL);    CFAttributedStringSetAttribute(text,CFRangeMake(dateLength + TitleLength+2,CFAttributedStringGetLength(text) - dateLength - TitleLength - 2),Font);    CFAttributedStringSetAttribute(text,_entryTextcolor.CGcolor);    CFRelease(FontDescriptor);    CFRelease(Font);}

崩溃日志：

IncIDent IDentifIEr: D5D15E15-8A4C-4850-B751-9F1D546F1F71CrashReporter Key:   54bfdcf0248d463bc97ac986b7553405b3b0f8b9HarDWare Model:      iPad3,4Process:         tabletJournal [9876]Path:            /var/mobile/Applications/109DCB8E-22D1-45E4-A347- 1B1F211F9044/tabletJournal.app/tabletJournalIDentifIEr:      tabletJournalVersion:         ??? (???)Code Type:       ARM (Native)Parent Process:  launchd [1]Date/Time:       2013-03-20 15:42:11.412 +0100OS Version:      iOS 6.1.2 (10B146)Report Version:  104Exception Type:  EXC_BREAKPOINT (SIGTRAP)Exception Codes: 0x0000000000000001,0x000000000000defeCrashed Thread:  0Thread 0 name:  dispatch queue: com.apple.main-threadThread 0 Crashed:0   CoreFoundation                0x3272b4e0 0x32693000 + 6238401   CoreFoundation                0x3271bc2c 0x32693000 + 5601722   CoreFoundation                0x3277043c 0x32693000 + 9063003   CoreFoundation                0x32697b4e 0x32693000 + 192784   CoreFoundation                0x32705e5e 0x32693000 + 4706225   tabletJournal                 0x0005f3d8 -[ExportVIEw SetTextFontname:TitleLength:forAttributedString:] (ExportVIEw.m:341)6   tabletJournal                 0x0005ed58 -[ExportVIEw saveJournalTopdf:andname:] (ExportVIEw.m:196)7   tabletJournal                 0x0005ec8a -[ExportVIEw pdfbuttonTapped:] (ExportVIEw.m:179)8   UIKit                         0x3464f082 0x34561000 + 9749789   UIKit                         0x3464f036 0x34561000 + 97490210  UIKit                         0x3464f010 0x34561000 + 97486411  UIKit                         0x3464e8c6 0x34561000 + 97299812  UIKit                         0x3464edb4 0x34561000 + 97426013  UIKit                         0x345775f4 0x34561000 + 9163614  UIKit                         0x345648dc 0x34561000 + 1455615  UIKit                         0x345641ea 0x34561000 + 1277816  GraphiCSServices              0x362575f4 0x36251000 + 2610017  GraphiCSServices              0x36257222 0x36251000 + 2512218  CoreFoundation                0x3272a3e4 0x32693000 + 61949219  CoreFoundation                0x3272a386 0x32693000 + 61939820  CoreFoundation                0x3272920a 0x32693000 + 61492221  CoreFoundation                0x3269c238 0x32693000 + 3743222  CoreFoundation                0x3269c0c4 0x32693000 + 3706023  GraphiCSServices              0x36256336 0x36251000 + 2130224  UIKit                         0x345b82b4 0x34561000 + 35704425  tabletJournal                 0x0002e35a main (main.m:22)26  libdyld.dylib                 0x3aa02b1c 0x3aa01000 + 6940Thread 0 crashed with ARM Thread State (32-bit):    r0: 0x3ac440f0    r1: 0x00000000      r2: 0x00001200      r3: 0x3ac2ce44    r4: 0x00000000    r5: 0x1ea52580      r6: 0x3272b4d9      r7: 0x2fdd26c4    r8: 0x3ac47940    r9: 0x00000012     r10: 0x3acacd88     r11: 0x1ea52580    ip: 0x00010201    sp: 0x2fdd26c0      lr: 0x3271bc2f      pc: 0x3272b4e0  cpsr: 0xa0000030

控制台日志…重要部分：

Mar 20 15:50:54 marcs-iPad tabletJournal[9947] <Warning>: SettingsModel,entrIEs: ("<JournalEntry: 0x1e296310>","<JournalEntry: 0x1e24be00>")Mar 20 15:50:54 marcs-iPad tabletJournal[9947] <Warning>: Export LoadingMar 20 15:50:55 marcs-iPad tabletJournal[9947] <Warning>: Current EntryIndex: 1Mar 20 15:50:55 marcs-iPad tabletJournal[9947] <Warning>: Current Entry: <JournalEntry: 0x1e296310>Mar 20 15:50:55 marcs-iPad tabletJournal[9947] <Warning>: DateString: marzo 20,2013,3:41 PMMar 20 15:50:55 marcs-iPad tabletJournal[9947] <Warning>: 2nd DateLength: 23Mar 20 15:50:55 marcs-iPad tabletJournal[9947] <Warning>: TitleString: Test2Mar 20 15:50:55 marcs-iPad tabletJournal[9947] <Warning>: BodyString: I’m here in the Istanbul airport again,for another 5-hour layover! Plane is suppose to take off at 2:50 pm! Next time,I’m going to make sure my layovers are not more than 2 hours. That’ll leave room for delays. I ate a small pizza at this “Italian” diner. It was actually pretty good. Later,I’ll have to compare it with real Italian pizza. I’m dead tired. Gotta get some caffeine! Got the caffeine! Yow! I should wake up in a few minutes! There are posters of Italia here and I’ve found a couple of places I’d like to see. Lago D’Orta di PIEmonte,galleria Borghese di Lazio- Roma,Pisa.Mar 20 15:50:55 marcs-iPad tabletJournal[9947] <Warning>: TitleLength: 5Mar 20 15:50:55 marcs-iPad tabletJournal[9947] <Warning>: Font entryDateTimeFontSize,line 329: 13Mar 20 15:50:55 marcs-iPad tabletJournal[9947] <Warning>: DateFontDescriptor,line 329:     CTFontDescriptor <attributes: <CFBasicHash 0x1d518f50 [0x3ac440f0]>{type = mutable dict,count = 2,entrIEs =>1 : <CFString 0x3acad758 [0x3ac440f0]>{contents = "NSFontNameattribute"} = <CFString 0x1e07a880 [0x3ac440f0]>{contents = "copperplate"}2 : <CFString 0x3acad8c8 [0x3ac440f0]>{contents = "NSFontSizeAttribute"} = <CFNumber 0x1d5cb1d0 [0x3ac440f0]>{value = +13.0000000000,type = kcfNumberfloat32Type}}>Mar 20 15:50:55 marcs-iPad tabletJournal[9947] <Warning>: DateLength... before crash: 23Mar 20 15:50:55 marcs-iPad tabletJournal[9947] <Warning>: DateLength... crashing: 23Mar 20 15:50:56 marcs-iPad ReportCrash[9951] <Notice>: Formulating crash report for process tabletJournal[9947]Mar 20 15:50:56 marcs-iPad com.apple.launchd[1] (UIKitApplication:com.creativeappgroup.tabletJournalTM[0xe437][9947]) <Warning>: (UIKitApplication:com.creativeappgroup.tabletJournalTM[0xe437]) Job appears to have crashed: Trace/BPT trap: 5Mar 20 15:50:56 marcs-iPad ReportCrash[9951] <Error>: libmobileGestalt copySystemVersionDictionaryValue: Could not lookup ReleaseType from system version dictionaryMar 20 15:50:56 marcs-iPad backboardd[25] <Warning>: Application 'UIKitApplication:com.creativeappgroup.tabletJournalTM[0xe437]' exited abnormally with signal 5: Trace/BPT trap: 5Mar 20 15:50:56 marcs-iPad ReportCrash[9951] <Notice>: Saved crashreport to /var/mobile/library/Logs/CrashReporter/tabletJournal_2013-03-20-155055_marcs-iPad.pList using uID: 0 gID: 0,synthetic_euID: 501 egID: 0

解决方法 事实证明,libmodileGestalt与崩溃没有任何关系.通过Apple论坛上的提示发现CGcolor可能是零.在实际调用之前隔离并安装日志语句之后,确实如此.实际上,所有的颜色……文本,标题和日期都是NulL.所以,我通过在create pdf方法中安装test和apply语句来解决崩溃问题.现在……找出为什么颜色没有被传递过来！ 总结

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