iphone - 应用程序未能及时启动

Question

如何诊断此错误？

Application Specific Information:
    MyApp failed to launch in time

    Elapsed total CPU time (seconds): 4913.443 (user 3868.270, system 1045.173), 56% CPU 
    Elapsed application CPU time (seconds): 0.010, 0% CPU

    Backtrace not available

    Unknown thread crashed with unknown flavor: 5, state_count: 1

    Binary Images:
    0x2fe00000 - 0x2fe26fff  dyld armv7  <a11905c8ef7906bf4b8910fc551f9dbb> /usr/lib/dyld

这是我的didFinishLaunching 方法:

#pragma mark -
#pragma mark Application lifecycle

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

        if(getenv("NSZombieEnabled") || getenv("NSAutoreleaseFreedObjectCheckEnabled")) 
        {
            NSLog(@"NSZombieEnabled/NSAutoreleaseFreedObjectCheckEnabled enabled!");
        }

        // Override point for customization after application launch.
        [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(reachabilityChanged:) name: kReachabilityChangedNotification object: nil];

        //Check for connectivity
        internetReach = [[Reachability reachabilityForInternetConnection] retain];
        [internetReach startNotifer];
        [self updateInterfaceWithReachability: internetReach];

        [window addSubview:navigationController.view];
        [window makeKeyAndVisible];

        return YES;
    }

Answer 1

您可能在 AppDelegate 的 application:didFinishLaunching 方法中进行了大量设置工作。

您应该确保此函数尽快退出。任何需要时间的设置工作(例如网络访问)都应该在您的应用程序中异步完成。在此过程中，您可以显示一个微调器以向用户指示应用程序正在加载。