#pragma mark -

#pragma mark Application lifecycle

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {   

    // Override point for customization after application launch.

    [window makeKeyAndVisible];

     [NdUncaughtExceptionHandler setDefaultHandler];

     NSArray *array = [NSArray arrayWithObject:@"there is only one objective in this arary,call index one, app will crash and throw an exception!"];

     NSLog(@"%@", [array objectAtIndex:1]);

     return YES;

}

#import <Foundation/Foundation.h>

@interface NdUncaughtExceptionHandler : NSObject {

}

+ (void)setDefaultHandler;

+ (NSUncaughtExceptionHandler*)getHandler;

@end

//还可以选择设置自定义的handler，让用户取选择

#import "NdUncaughtExceptionHandler.h"

NSString *applicationDocumentsDirectory() {

    return [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];

}

void UncaughtExceptionHandler(NSException *exception) {

     NSArray *arr = [exception callStackSymbols];

     NSString *reason = [exception reason];

     NSString *name = [exception name];

     NSString *url = [NSString stringWithFormat:@"=============异常崩溃报告=============\nname:\n%@\nreason:\n%@\ncallStackSymbols:\n%@",

                   name,reason,[arr componentsJoinedByString:@"\n"]];

     NSString *path = [applicationDocumentsDirectory() stringByAppendingPathComponent:@"Exception.txt"];

     [url writeToFile:path atomically:YES encoding:NSUTF8StringEncoding error:nil];

     //除了可以选择写到应用下的某个文件，通过后续处理将信息发送到服务器等

     //还可以选择调用发送邮件的的程序，发送信息到指定的邮件地址

     //或者调用某个处理程序来处理这个信息

}

@implementation NdUncaughtExceptionHandler

-(NSString *)applicationDocumentsDirectory {

    return [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];

}

+ (void)setDefaultHandler

{

     NSSetUncaughtExceptionHandler (&UncaughtExceptionHandler);

}

+ (NSUncaughtExceptionHandler*)getHandler

{

     return NSGetUncaughtExceptionHandler();

}

@end

=============异常崩溃报告=============

name:

NSRangeException

reason:

*** -[NSArray objectAtIndex:]: index 1 beyond bounds [0 .. 0]

callStackSymbols:

0   CoreFoundation                      0x02393919 __exceptionPreprocess + 185

1   libobjc.A.dylib                     0x024e15de objc_exception_throw + 47

2   CoreFoundation                      0x0238958c -[__NSArrayI objectAtIndex:] + 236

3   UncaughtE                           0x000022e8 -[UncaughtEAppDelegate application:didFinishLaunchingWithOptions:] + 157

4   UIKit                               0x002b8543 -[UIApplication _callInitializationDelegatesForURL:payload:suspended:] + 1163

5   UIKit                               0x002ba9a1 -[UIApplication _runWithURL:payload:launchOrientation:statusBarStyle:statusBarHidden:] + 346

6   UIKit                               0x002c4452 -[UIApplication handleEvent:withNewEvent:] + 1958

7   UIKit                               0x002bd074 -[UIApplication sendEvent:] + 71

8   UIKit                               0x002c1ac4 _UIApplicationHandleEvent + 7495

9   GraphicsServices                    0x02bf9afa PurpleEventCallback + 1578

10  CoreFoundation                      0x02374dc4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 52

11  CoreFoundation                      0x022d5737 __CFRunLoopDoSource1 + 215

12  CoreFoundation                      0x022d29c3 __CFRunLoopRun + 979

13  CoreFoundation                      0x022d2280 CFRunLoopRunSpecific + 208

14  CoreFoundation                      0x022d21a1 CFRunLoopRunInMode + 97

15  UIKit                               0x002ba226 -[UIApplication _run] + 625

16  UIKit                               0x002c5b58 UIApplicationMain + 1160

17  UncaughtE                           0x00002228 main + 102

18  UncaughtE                           0x000021b9 start + 53