objective-c - 程序在Ipad程序中收到信号sigabrt

Question

我修复了所有警告，现在我的 AppDelegate 类中有这样的错误

.h文件是

#import <UIKit/UIKit.h>

@interface UYLAppDelegate : UIResponder <UIApplicationDelegate>{

}

@property (retain, nonatomic) IBOutlet UIWindow *window;
@property (retain, nonatomic) IBOutlet UISplitViewController *splitViewController;

@end

.m文件是

#import "UYLAppDelegate.h"
#import "UYLMasterViewController.h"
#import "UYLDetailViewController.h"
#import <QuartzCore/QuartzCore.h>

@implementation UYLAppDelegate

@synthesize window = _window;
@synthesize splitViewController = _splitViewController;

- (void)dealloc
{
    [_window release];
    [_splitViewController release];
    [super dealloc];
}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    UIView *rootView = [[self.splitViewController.viewControllers objectAtIndex:0] view];
    rootView.layer.borderWidth = 1.0f;
    rootView.layer.cornerRadius =5.0f;
    rootView.layer.shadowOpacity = 0.8f;
    rootView.layer.shadowOffset = CGSizeMake(-5, 0);

    self.window.rootViewController = self.splitViewController; //error here
    [self.window makeKeyAndVisible];
    return YES;
}

@end

这一行我记错了

self.window.rootViewController = self.splitViewController; //error here

SplitViewController由2个 Controller 组成，.h文件是:

#import <UIKit/UIKit.h>

@class UYLDetailViewController;

@interface UYLMasterViewController : UITableViewController

@property (retain, nonatomic) IBOutlet UYLDetailViewController *detailViewController;

@end

第二个

#import <UIKit/UIKit.h>
#import "UYLModalViewController.h"

@class UYLMasterViewController;

@interface UYLDetailViewController : UIViewController <UYLModalViewControllerDelegate>{
    UIBarButtonItem *_MessageButton;
    NSInteger modalViewShowType;
}

-(IBAction)buttonTapped:(id)sender;

@property (retain, nonatomic, getter=_MessageButton) IBOutlet UIBarButtonItem *someMessageButton;
@property (retain, nonatomic) NSNumber *detailItem;
@property (retain, nonatomic) IBOutlet UIToolbar *toolbar;
@property (retain, nonatomic) IBOutlet UILabel *detailTitle;
@property (retain, nonatomic) IBOutlet UILabel *detailDescriptionLabel;
@property (assign, nonatomic) BOOL masterIsVisible;

@end

编辑: 我在控制台中看到了所有内容

GNU gdb 6.3.50-20050815 (Apple version gdb-1708) (Mon Aug 15 16:03:10 UTC 2011)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin".sharedlibrary apply-load-rules all
Attaching to process 8217.
Pending breakpoint 1 - ""UYLDetailViewController.m":117" resolved
Pending breakpoint 2 - ""UYLModalViewController.m":30" resolved
Pending breakpoint 3 - ""UYLModalViewController.m":41" resolved
Pending breakpoint 4 - ""UYLDetailViewController.m":63" resolved
Pending breakpoint 5 - ""UYLMasterViewController.m":46" resolved
Pending breakpoint 7 - ""UYLDetailViewController.m":36" resolved
No breakpoint number 7.
Current language:  auto; currently objective-c

请帮助我理解它 =(

Answer 1

大多数时候我都有一些SIGABRT错误，这只是意味着它找不到你所指的那个实例。因此，再次查看该行并思考可能未声明为正确的内容。

我认为如果您将其更改为可能会有所帮助。 self.window.rootViewController = splitViewController;