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  • 关于xcode7编译旧项目崩溃-[UIApplication _runWithMainScene:transitionContext:completion:]

    崩溃原因

    crash:
    Assertion failure in 
    -[UIApplication _runWithMainScene:transitionContext:completion:], /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKit_Sim/UIKit-

     (
    *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', `enter code here`reason: 'Application windows are expected to have a root
    view controller at the end of application launch'
    *** First throw call stack:
     

     尝试解决方案一:

    //  *************代码做调整,加入到下一个loop周期中,再次运行代码,程序正常。******//
     
    - (void)applicationDidBecomeActive:(UIApplication *)application {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
       
        //crash in ios9
        _testWindow = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
        _testWindow.hidden = NO;
       
        //ok
        //    dispatch_async(dispatch_get_main_queue(), ^{
        //        _testWindow = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
        //        _testWindow.hidden = NO;
        //    });
       
       
    }
    Or
      尝试解决方案二:
       Xcode7 需要所有的窗口都必须有根控制器
     
    XCODE 7 requires that all the Windows must have a rootViewController You can use easy:
     
    UIViewController* vc = [[UIViewController alloc]initWithNibName:nil bundle:nil];
     
     self.window.rootViewController = vc; 
     
    It's working good if you need to use only UIWindow (for easy examples from any Tutorials - before Xcode 7)!
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  • 原文地址:https://www.cnblogs.com/mysticCoder/p/5072589.html
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