NSSetUncaughtExceptionHandler没有捕获iPhone上的所有错误 [英] NSSetUncaughtExceptionHandler not catch all errors on iPhone

问题描述

我在 http://code.google.com/中使用GTMStackTrace p / google-toolbox-for-mac 。

我需要一种方式来测试最终用户在应用程序崩溃时发送错误。我知道如何发送数据到我的网站，但问题是如何捕获所有未处理的错误。

I need a way to test end-user to send me errors when the app crash. I know how send data to my website but the problem is how catch all non-handled errors.

我有这个代码：

void exceptionHandler(NSException *exception) {
    NSLog(@"%@", [exception reason]);
    NSLog(@"%@", [exception userInfo]);
    NSLog(@"%@", GTMStackTraceFromException(exception));

    UIAlertView *alert = [[UIAlertView alloc]
                          initWithTitle:NSLocalizedString(@"Error unexpected",@"Info: Can't save record")
                          message:GTMStackTraceFromException(exception) delegate:nil 
                          cancelButtonTitle:NSLocalizedString(@"Ok",@"Button: Ok") otherButtonTitles:nil];
    [alert show];
    [alert release];    
}

int main(int argc, char *argv[]) {
    //For crash report..
    NSSetUncaughtExceptionHandler(&exceptionHandler);
    //Normal code...
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
    int retVal = UIApplicationMain(argc, argv, nil, nil);
    [pool release];
    return retVal;
}

然而，事情没有发生很多错误，像一个坏的版本， BAD ACCES等，App消失。我有两个问题，不清楚为什么发生，最终用户不知道该说什么。

However, the thing not caught a lot of errors, like a bad release, a BAD ACCES, etc, and the App disappear. I have 2 issues where is not clear why happend and the end-users have not clue about what to say.

（例如，释放两次相同的var不捕获）

(For example release twice the same var is not catch)

那么，我如何得到所有那些令人讨厌的错误，所以终端用户简单发送一个崩溃报告？

So, how I get ALL that pesky errors so the end-user simple send me a crash report?

推荐答案

EXC_BAD_ACCESS 不会产生异常，它会生成一个信号（SIGSEGV）。要抓住它，你需要一个信号处理程序。 Christopher Atlan写了一个很好的说明如何处理这两种事故。请务必阅读第1部分和第2部分。

EXC_BAD_ACCESS doesn't generate an exception, it generates a signal (SIGSEGV). To catch it, you need a signal handler. Christopher Atlan wrote a nice explanation of how to handle both kinds of crashes. Be sure to read both part 1 and 2.

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