Believe it or not, developers are not perfect, and every once in a while you might have a (gasp!) bug in your app. You will try your best to ship your apps with no bugs in them, but more often than not you realise afterwards that a bug has slipped th
当app出现崩溃, 研发阶段一般可以通过以下方式来跟踪crash信息 #1.模拟器运行, 查看xcode错误日志 #2.真机调试, 查看xcode错误日志 #3.真机运行, 查看device系统日志 下面举例说明, 先写一段会Crash的代码crashdemo: - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. [s