xcode 7.1立即崩溃w无输出 [英] xcode 7.1 immediate crash w no output

问题描述

前言：

我想让iPad pro以原生分辨率运行我的应用程序，所以我添加了启动屏幕文件。我设置新的控制器是一个入口点，然后经过一些调整，我删除了该文件，并回到没有启动屏幕。

崩溃：
我没有输出（lldb）。我在控制台中键入 bt ，并获得以下

：

输出

$ b b

  * thread＃1：tid = 0xd26faa，0x000000011351ddbb libobjc.A.dylib`objc_exception_throw，queue ='com.apple.main-thread'，stop reason = breakpoint 1.1 
帧＃0：0x000000011351ddbb libobjc.A.dylib`objc_exception_throw 
帧＃1：0x0000000112730159 UIKit` + UIStoryboard storyboardWithName：捆绑：] + 727 
帧＃2：0x0000000112015c7f UIKit`- [UIApplication的_loadMainStoryboardFileNamed ：包：] + 58 
帧＃3：0x0000000112015fd3 UIKit`- [UIApplication的_loadMainInterfaceFile] + 260 
帧＃4：0x0000000112014851 UIKit`- [UIApplication的_runWithMainScene：transitionContext：完成：] + 1380 
帧＃5：0x0000000112011ba3 UIKit`- [UIApplication的workspaceDidEndTransaction：] + 188 
帧＃6：0x000000011a5b0784 FrontBoardServices`- [FBSSerialQueue _performNext] + 192 
帧＃7：0x000000011a5b0af2 FrontBoardServices`- [FBSSerialQueue _performNextFromRunLoopSource] + 45 
帧＃8：0x0000000113a85011 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 
帧＃9：0x0000000113a7af3c CoreFoundation`__CFRunLoopDoSources0 + 556 
帧＃10：0x0000000113a7a3f3 CoreFoundation`__CFRunLoopRun + 867 
帧＃ 11：0x0000000113a79e08 CoreFoundation`CFRunLoopRunSpecific + 488 
帧＃12：0x00000001120114f5 UIKit`- [UIApplication的_run] + 402 
帧＃13：0x000000011201630d UIKit`UIApplicationMain + 171 
 *帧＃14：0x000000010fa23b22 MyApp`main（ARGC = 1，argv的= 0x00007fff501e1818）+ 146在main.m文件：28 
帧＃15：0x00000001179f892d libdyld.dylib`start + 1 
帧＃16：0x00000001179f892d libdyld.dylib`start + 1 
  

当然main.m是通用的，没有帮助

main.m

  #import< UIKit / UIKit.h> 
 
 #importAppDelegate.h
 
 / * 
 int main（int argc，char * argv []）
 {
 @autoreleasepool {
 return UIApplicationMain（argc，argv，nil，NSStringFromClass（[AppDelegate class]）））; 
} 
} 
 * / 
 
 int main（int argc，char * argv []）{
 
 // NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; 
 int retVal = -1; 
 @try {
 @autoreleasepool {
 retVal = UIApplicationMain（argc，argv，nil，NSStringFromClass（[AppDelegate class]）））; 
} 
} 
 @catch（NSException * exception）{
 // NSLog（@Uncaught exception：％@，exception.description）; 
 // NSLog（@堆栈跟踪：％@，[exception callStackSymbols]）; 
} 
 // [pool release]; 
 return retVal; 
} 
  

我的下一个疑难解答应该是什么？

解决方案

在xcode 7.1（以及许多其他版本）中，在应用程序的常规设置包括：

• 主界面 （在部署信息下） 启动屏幕文件（在应用图标和启动图片下）

$ b b

问题

我不知道到底在什么时候，但在某个时候我混淆了这两个选项。作为故障排除策略的一部分，我开始把一切都回到它是什么时候应用程序的工作。在此过程中，我遇到此错误。错误是试图告诉我，相当含糊，我的应用程序中的东西没有响应某个（未指定）选择器。

解决方案

ul>

确保主界面是故事板 （File> New> File ...> ），并设置启动点。

确保启动屏幕文件是一个启动屏幕 （文件>新建>文件。 ..>启动屏幕）注意 - 如果您不想/需要，可以选择停止使用启动屏幕。我使用一个，因为这是一个简单的方法，让您的应用程序以原生分辨率在iPhone 6 / s（s）+ / iPad Pro上显示。

Preface:

I'm trying to get the iPad pro to run my app at native resolution so I added a Launch Screen file. I set the new controller to be an entry point then after some tweaks I deleted the file and went back to no Launch Screen.

Crash: I get no output other than (lldb). I typed bt into the console and got the following

output

* thread #1: tid = 0xd26faa, 0x000000011351ddbb libobjc.A.dylib`objc_exception_throw, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
    frame #0: 0x000000011351ddbb libobjc.A.dylib`objc_exception_throw
    frame #1: 0x0000000112730159 UIKit`+[UIStoryboard storyboardWithName:bundle:] + 727
    frame #2: 0x0000000112015c7f UIKit`-[UIApplication _loadMainStoryboardFileNamed:bundle:] + 58
    frame #3: 0x0000000112015fd3 UIKit`-[UIApplication _loadMainInterfaceFile] + 260
    frame #4: 0x0000000112014851 UIKit`-[UIApplication _runWithMainScene:transitionContext:completion:] + 1380
    frame #5: 0x0000000112011ba3 UIKit`-[UIApplication workspaceDidEndTransaction:] + 188
    frame #6: 0x000000011a5b0784 FrontBoardServices`-[FBSSerialQueue _performNext] + 192
    frame #7: 0x000000011a5b0af2 FrontBoardServices`-[FBSSerialQueue _performNextFromRunLoopSource] + 45
    frame #8: 0x0000000113a85011 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
    frame #9: 0x0000000113a7af3c CoreFoundation`__CFRunLoopDoSources0 + 556
    frame #10: 0x0000000113a7a3f3 CoreFoundation`__CFRunLoopRun + 867
    frame #11: 0x0000000113a79e08 CoreFoundation`CFRunLoopRunSpecific + 488
    frame #12: 0x00000001120114f5 UIKit`-[UIApplication _run] + 402
    frame #13: 0x000000011201630d UIKit`UIApplicationMain + 171
  * frame #14: 0x000000010fa23b22 MyApp`main(argc=1, argv=0x00007fff501e1818) + 146 at main.m:28
    frame #15: 0x00000001179f892d libdyld.dylib`start + 1
    frame #16: 0x00000001179f892d libdyld.dylib`start + 1

of course main.m is generic and of no help

main.m

#import <UIKit/UIKit.h>

#import "AppDelegate.h"

/*
int main(int argc, char *argv[])
{
    @autoreleasepool {
        return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
    }
}
*/

int main(int argc, char *argv[]) {

    //NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
    int retVal = -1;
    @try {
        @autoreleasepool {
            retVal = UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
        }
    }
    @catch (NSException* exception) {
//        NSLog(@"Uncaught exception: %@", exception.description);
//        NSLog(@"Stack trace: %@", [exception callStackSymbols]);
    }
    //[pool release];
    return retVal;
}

What should my next troubleshooting move be?

解决方案

In xcode 7.1 (and many other versions), in the general settings for an application, you'll find a number of fields including:

• Main Interface (under Deployment Info)
• Launch Screen File (under App Icons and Launch Images)

Issue

I'm not sure exactly when, but at some point I had confused these two options. As part of a troubleshooting tactic I started to put everything back how it was when the app was working. During that process I encountered this error. The error was trying to tell me, quite ambiguously, that something in my app wasn't responding to an certain (unspecified) selector. I wasn't about to sift through 100+ files so I started working my way backward, again.

Solution

• Make sure Main Interface is a storyboard (File > New > File... > Storyboard) with an initiation point set.
• Make sure Launch Screen File is a launch screen (File > New > File... > Launch Screen) Note- You can opt out of using a Launch Screen if you don't want / need it. I use one because it's an easy way to get your app to display at the native resolution on an iPhone 6(s) / 6(s)+ / iPad Pro.

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