为了获取一些堆栈信息以便于快准狠的定位问题,可以在main函数里:

int main(int argc, char argv[]) { @try { @autoreleasepool { return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); } } @catch (NSException exception) { NSDebugLog(@"Exception=%@\nStack Trace:%@", exception, [exception callStackSymbols]); } }

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