app大都会crash，而第三方平台截获的崩溃日志，需要文件描述符才能解析。手机上的崩溃日志有时候也定位不到具体行。
我的建议是为了方便，测试版本可以本地记录崩溃日志。线上版本可以使用fir或bugly.
本地记录的好处是实时获取，不需要本地文件描述符。
本地记录崩溃日志的方法是增加如下代码：
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {[self configDDLog];return YES;
}- (void)configDDLog {
#ifdef DEBUG//把崩溃日志写入文件[GBLogWrite redirectNSLogToDocumentFolder];
#endif}
打印本地日志的方法是由以前我的同步日志改进过来的。我的同步日志连续快速打印有性能问题，但是应用崩溃前打印一次不在话下，没有任何问题：
GBLogWrite.h文件
//
// GBLogWrite.h
// GreenBusiness
//
// Created by 郏国上 on 2017/3/31.
// Copyright © 2017年 UXing. All rights reserved.
//#import <Foundation/Foundation.h>
#define ERR_LOG 1 /* 应用程序无法正常完成操作，比如网络断开，内存分配失败等 */
#define WARN_LOG 2 /* 进入一个异常分支，但并不会引起程序错误 */
#define INFO_LOG 3 /* 日常运行提示信息，比如登录、退出日志 */
#define DEBUG_LOG 4 /* 调试信息，打印比较频繁，打印内容较多的日志 */#ifndef LOGERR
#define LOGERR(format,...) WriteLog(ERR_LOG,__FUNCTION__,__LINE__,format,##__VA_ARGS__)
#endif#ifndef LOGWARN
#define LOGWARN(format,...) WriteLog(WARN_LOG,__FUNCTION__,__LINE__,format,##__VA_ARGS__)
#endif#ifndef LOGINFO
#define LOGINFO(format,...) WriteLog(INFO_LOG,__FUNCTION__,__LINE__,format,##__VA_ARGS__)
#endif#ifndef LOGDEBUG
#define LOGDEBUG(format,...) WriteLog(DEBUG_LOG,__FUNCTION__,__LINE__,format,##__VA_ARGS__)
#endif@interface GBLogWrite : NSObject
+ (void)redirectNSLogToDocumentFolder;
@endGBLogWrite.m文件
//
// GBLogWrite.m
// GreenBusiness
//
// Created by 郏国上 on 2017/3/31.
// Copyright © 2017年 UXing. All rights reserved.
//#import "GBLogWrite.h"static const long g_logFilesCount = 3;
static const long g_logFileLines = 65535;@implementation GBLogWriteNSString *getTime(void)
{NSDateFormatter * formatter = [[NSDateFormatter alloc]init];[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss:SSS"];NSString* dateTime = [formatter stringFromDate:[NSDate date]];return dateTime;
}void WriteFileLog(NSString *format, ...)
{va_list args;va_start(args, format);NSString *string = [[NSString alloc] initWithFormat:format arguments:args];va_end(args);if(!string){return;}NSFileManager* fm = [NSFileManager defaultManager];NSString *str = nil;BOOL flag = NO;NSArray* myPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);NSString* myDocPath = [myPaths objectAtIndex:0];NSString* path = [myDocPath stringByAppendingPathComponent:@"crash"];[fm fileExistsAtPath:path isDirectory:&flag];NSArray *dirarray = nil;NSString* filePath = nil;NSArray *lines = nil;NSError *error = nil;NSData* data = nil;NSInteger n = 0, i = 0, m = 0;NSMutableArray *filesMutableArr = [NSMutableArray array];NSDictionary *infoDictionary = [[NSBundle mainBundle] infoDictionary];NSString *app_Name = [infoDictionary objectForKey:@"CFBundleName"];if(flag){// dirarray = [fm contentsOfDirectoryAtPath:filePath];// FLDDLogDebug(@"%@ ",dirarray);dirarray = [fm contentsOfDirectoryAtPath:path error:nil];NSLog(@"%@ ",dirarray);n = unt;for(i = 0; i < n; i++){filePath = [path stringByAppendingPathComponent:dirarray[i]];if ([fm fileExistsAtPath:filePath]){[filesMutableArr addObject:filePath];}}m = unt;if(m > g_logFilesCount){NSMutableArray *newFilesMutableArr = [NSMutableArray array];for(i = m - g_logFilesCount ; i < m; i++){filePath = filesMutableArr[i];[newFilesMutableArr addObject:filePath];}//若想删除超过指定日志文件个数的最老的文件for(i = 0; i < m - g_logFilesCount ; i++){filePath = filesMutableArr[i];[fm removeItemAtPath:filePath error:nil];}filesMutableArr = newFilesMutableArr;m = unt;// for(i = 0 ; (m - i > 0) && (i < m - g_logFilesCount); i++)// {// filePath = filesMutableArr[m - i];// [fm removeItemAtPath:filePath error:nil];// }}if(g_logFilesCount == m){filePath = filesMutableArr[m - 1];lines = [[NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil]componentsSeparatedByString:@"n"];unt < g_logFileLines){data = [NSData dataWithContentsOfFile:filePath];str =[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];str = [NSString stringWithFormat:@"%@n%@",str,string];[str writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:nil];}else{[fm removeItemAtPath:filePath error:nil];str = [NSString stringWithFormat:@"%@ %@.text", app_Name, getTime()];filePath = [path stringByAppendingPathComponent:str];str = string;[str writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:nil];}}else if(m > 0){filePath = filesMutableArr[m - 1];// str =[NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:&error];// str = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil];// NSLog(@"str :%@", str);lines = [[NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil]componentsSeparatedByString:@"n"];// unt < 65535)unt < g_logFileLines){data = [NSData dataWithContentsOfFile:filePath];str =[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];str = [NSString stringWithFormat:@"%@n%@",str,string];[str writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:nil];}else{str = [NSString stringWithFormat:@"%@ %@.text", app_Name, getTime()];filePath = [path stringByAppendingPathComponent:str];str = string;[str writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:nil];}}else{str = [NSString stringWithFormat:@"%@ %@.text", app_Name, getTime()];filePath = [path stringByAppendingPathComponent:str];str = string;[str writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:nil];}}else{BOOL res = [fm createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:nil];if (res) {// NSLog(@"文件夹创建成功");str = [NSString stringWithFormat:@"%@ %@.text", app_Name, getTime()];filePath = [path stringByAppendingPathComponent:str];str = string;// NSLog(@"filePath :%@", filePath);[str writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:&error];// NSLog(@"error :%@", error);}else{NSLog(@"文件夹创建失败");}}}void WriteLog(int ulErrorLevel, const char *func, int lineNumber, NSString *format, ...)
{va_list args;va_start(args, format);NSString *string = [[NSString alloc] initWithFormat:format arguments:args];va_end(args);NSString *strFormat = [NSString stringWithFormat:@"%@%s, %@%i, %@%@",@"Function: ",func,@"Line: ",lineNumber, @"Format: ",string];NSString * strModelName = @"文件日志"; //模块名NSString *strErrorLevel = [[NSString alloc] init];switch (ulErrorLevel) {case ERR_LOG:strErrorLevel = @"Error";break;case WARN_LOG:strErrorLevel = @"Warning";break;case INFO_LOG:strErrorLevel = @"Notice";break;case DEBUG_LOG:strErrorLevel = @"Debug";break;default:break;}NSLog(@"ModalName: %@, ErrorLevel: %@, %@.",strModelName, strErrorLevel, strFormat);NSString *str = [NSString stringWithFormat:@"ModalName: %@, ErrorLevel: %@, %@.",strModelName, strErrorLevel, strFormat];NSLog(@"%@", str);// WriteLog;WriteFileLog(str);
}void UncaughtExceptionHandler(NSException* exception)
{NSString* name = [ exception name ];NSString* reason = [ exception reason ];NSArray* symbols = [ exception callStackSymbols ]; // 异常发生时的调用栈NSMutableString* strSymbols = [ [ NSMutableString alloc ] init ]; //将调用栈拼成输出日志的字符串for ( NSString* item in symbols ){[ strSymbols appendString: item ];[ strSymbols appendString: @"rn" ];}NSDateFormatter *formatter = [[NSDateFormatter alloc] init];[formatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"zh_CN"]];[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];NSString *dateStr = [formatter stringFromDate:[NSDate date]];LOGERR(@"<- %@ ->[ Uncaught Exception ]rnName: %@, Reason: %@rn[ Fe Symbols Start ]rn%@[ Fe Symbols End ]rnrn", dateStr, name, reason, strSymbols);
}+ (void)redirectNSLogToDocumentFolder
{//未捕获的Objective-C异常日志NSSetUncaughtExceptionHandler (&UncaughtExceptionHandler);
}@end打印的崩溃日志：
ModalName: 文件日志, ErrorLevel: Error, Function: UncaughtExceptionHandler, Line: 215, Format: <- 2017-03-31 11:02:48 ->[ Uncaught Exception ]
Name: NSInvalidArgumentException, Reason: *** -[__NSPlaceholderArray initWithObjects:count:]: attempt to insert nil object from objects[0]
[ Fe Symbols Start ]
0 CoreFoundation 0x000000018894eff0 <redacted> + 148
1 libobjc.A.dylib 0x00000001873b0538 objc_exception_throw + 56
2 CoreFoundation 0x00000001888302c8 <redacted> + 308
3 CoreFoundation 0x0000000188942c38 <redacted> + 36
4 CoreFoundation 0x0000000188832cbc <redacted> + 36
5 OutdoorClub 0x0000000100133d58 -[ODCCurrentPathLocationDataSingleObject saveCoordateWithFileName:lastLocationOperateModel:] + 308
6 OutdoorClub 0x0000000100132c90 -[ODCCurrentPathLocationDataSingleObject readmis] + 1672
7 OutdoorClub 0x0000000100132324 __50-[ODCCurrentPathLocationDataSingleObject initData]_block_invoke + 100
8 OutdoorClub 0x00000001003c2a10 +[NSTimer(YYAdd) _yy_ExecBlock:] + 148
9 Foundation 0x0000000189443760 __NSFireTimer + 88
10 CoreFoundation 0x00000001888fda9c <redacted> + 28
11 CoreFoundation 0x00000001888fd7a0 <redacted> + 856
12 CoreFoundation 0x00000001888fd060 <redacted> + 244
13 CoreFoundation 0x00000001888fac84 <redacted> + 1484
14 CoreFoundation 0x000000018882ad94 CFRunLoopRunSpecific + 424
15 GraphicsServices 0x000000018a294074 GSEventRunModal + 100
16 UIKit 0x000000018eae3130 UIApplicationMain + 208
17 OutdoorClub 0x000000010014853c main + 124
18 libdyld.dylib 0x000000018783959c <redacted> + 4
[ Fe Symbols End ].
ModalName: 文件日志, ErrorLevel: Error, Function: UncaughtExceptionHandler, Line: 215, Format: <- 2017-03-31 19:34:33 ->[ Uncaught Exception ]
Name: NSInvalidArgumentException, Reason: *** -[__NSPlaceholderArray initWithObjects:count:]: attempt to insert nil object from objects[0]
[ Fe Symbols Start ]
0 CoreFoundation 0x000000018894eff0 <redacted> + 148
1 libobjc.A.dylib 0x00000001873b0538 objc_exception_throw + 56
2 CoreFoundation 0x00000001888302c8 <redacted> + 308
3 CoreFoundation 0x0000000188942c38 <redacted> + 36
4 CoreFoundation 0x0000000188832cbc <redacted> + 36
5 OutdoorClub 0x00000001000c7d38 -[ODCCurrentPathLocationDataSingleObject saveCoordateWithFileName:lastLocationOperateModel:] + 448
6 OutdoorClub 0x00000001000c6be4 -[ODCCurrentPathLocationDataSingleObject readmis] + 1672
7 OutdoorClub 0x00000001000c6254 __50-[ODCCurrentPathLocationDataSingleObject initData]_block_invoke + 100
8 OutdoorClub 0x0000000100356a70 +[NSTimer(YYAdd) _yy_ExecBlock:] + 148
9 Foundation 0x0000000189443760 __NSFireTimer + 88
10 CoreFoundation 0x00000001888fda9c <redacted> + 28
11 CoreFoundation 0x00000001888fd7a0 <redacted> + 856
12 CoreFoundation 0x00000001888fd060 <redacted> + 244
13 CoreFoundation 0x00000001888fac84 <redacted> + 1484
14 CoreFoundation 0x000000018882ad94 CFRunLoopRunSpecific + 424
15 GraphicsServices 0x000000018a294074 GSEventRunModal + 100
16 UIKit 0x000000018eae3130 UIApplicationMain + 208
17 OutdoorClub 0x00000001000dc52c main + 124
18 libdyld.dylib 0x000000018783959c <redacted> + 4
[ Fe Symbols End ].
ModalName: 文件日志, ErrorLevel: Error, Function: UncaughtExceptionHandler, Line: 215, Format: <- 2017-04-01 09:35:10 ->[ Uncaught Exception ]
Name: NSInvalidArgumentException, Reason: *** -[__NSPlaceholderArray initWithObjects:count:]: attempt to insert nil object from objects[0]
[ Fe Symbols Start ]
0 CoreFoundation 0x000000018894eff0 <redacted> + 148
1 libobjc.A.dylib 0x00000001873b0538 objc_exception_throw + 56
2 CoreFoundation 0x00000001888302c8 <redacted> + 308
3 CoreFoundation 0x0000000188942c38 <redacted> + 36
4 CoreFoundation 0x0000000188832cbc <redacted> + 36
5 OutdoorClub 0x00000001000a3d38 -[ODCCurrentPathLocationDataSingleObject saveCoordateWithFileName:lastLocationOperateModel:] + 448
6 OutdoorClub 0x00000001000a2be4 -[ODCCurrentPathLocationDataSingleObject readmis] + 1672
7 OutdoorClub 0x00000001000a2254 __50-[ODCCurrentPathLocationDataSingleObject initData]_block_invoke + 100
8 OutdoorClub 0x0000000100332a70 +[NSTimer(YYAdd) _yy_ExecBlock:] + 148
9 Foundation 0x0000000189443760 __NSFireTimer + 88
10 CoreFoundation 0x00000001888fda9c <redacted> + 28
11 CoreFoundation 0x00000001888fd7a0 <redacted> + 856
12 CoreFoundation 0x00000001888fd060 <redacted> + 244
13 CoreFoundation 0x00000001888fac84 <redacted> + 1484
14 CoreFoundation 0x000000018882ad94 CFRunLoopRunSpecific + 424
15 GraphicsServices 0x000000018a294074 GSEventRunModal + 100
16 UIKit 0x000000018eae3130 UIApplicationMain + 208
17 OutdoorClub 0x00000001000b852c main + 124
18 libdyld.dylib 0x000000018783959c <redacted> + 4
[ Fe Symbols End ]
.注意：我们的同步日志系统在didFinishLaunchingWithOptions之前的崩溃无能为力，毕竟只有同步日志初始化以后才能记录，估计第三方平台也有这样的问题。
本文发布于:2024-02-01 20:21:08，感谢您对本站的认可！
本文链接：https://www.4u4v.net/it/170679006939203.html
版权声明：本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系，我们将在24小时内删除。
| 留言与评论（共有 0 条评论） |
