Objective c 将iPad情节提要添加到现有iphone项目
我只为iphone/ipod用户创建了我的项目。现在我想让它也适用于ipad用户。我有两个故事板;3.5英寸和4英寸 以下是我的步骤: 1) 我创建了一个新的故事板。文件-新文件-用户界面-iPad故事板 2) 我将目标设备从iphone改为universal 3) 我在iPad部署信息部分设置了主情节提要 4) 最后,我复制了4英寸iphone故事板上的所有内容,并将其粘贴到新的ipad故事板上。(我没有更改任何内容,包括屏幕大小) 我试图在新的故事板上只放置一个视图控制器,但结果是一样的 然后我在iPad模拟器上运行并构建了我的应用程序。下面是一个错误:Objective c 将iPad情节提要添加到现有iphone项目,objective-c,xcode,ipad,storyboard,Objective C,Xcode,Ipad,Storyboard,我只为iphone/ipod用户创建了我的项目。现在我想让它也适用于ipad用户。我有两个故事板;3.5英寸和4英寸 以下是我的步骤: 1) 我创建了一个新的故事板。文件-新文件-用户界面-iPad故事板 2) 我将目标设备从iphone改为universal 3) 我在iPad部署信息部分设置了主情节提要 4) 最后,我复制了4英寸iphone故事板上的所有内容,并将其粘贴到新的ipad故事板上。(我没有更改任何内容,包括屏幕大小) 我试图在新的故事板上只放置一个视图控制器,但结果是一样的 然
2013-07-28 19:02:42.151 Test[40038:12203] *** Terminating app due to uncaught
exception 'NSInvalidArgumentException', reason: '-[ViewController topViewController]:
unrecognized selector sent to instance 0x7888940'
*** First throw call stack:
(0x1b02012 0x1573e7e 0x1b8d4bd 0x1af1bbc 0x1af194e 0x252b 0x2626 0x4b5157 0x4b5747
0x4b694b 0x4c7cb5 0x4c8beb 0x4ba698 0x194cdf9 0x194cad0 0x1a77bf5 0x1a77962 0x1aa8bb6
0x1aa7f44 0x1aa7e1b 0x4b617a 0x4b7ffc 0x1d5d 0x1c85)
libc++abi.dylib: terminate called throwing an exception
这在AppDelegate.m中
-(void)initializeStoryBoardBasedOnScreenSize {
if ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPhone)
{ // The iOS device = iPhone or iPod Touch
CGSize iOSDeviceScreenSize = [[UIScreen mainScreen] bounds].size;
if (iOSDeviceScreenSize.height == 480)
{ // iPhone 3GS, 4, and 4S and iPod Touch 3rd and 4th generation: 3.5 inch screen (diagonally measured)
// Instantiate a new storyboard object using the storyboard file named Storyboard_iPhone35
UIStoryboard *iPhone35Storyboard = [UIStoryboard storyboardWithName:@"Storyboard_iphone35" bundle:nil];
// Instantiate the initial view controller object from the storyboard
UIViewController *initialViewController = [iPhone35Storyboard instantiateInitialViewController];
// Instantiate a UIWindow object and initialize it with the screen size of the iOS device
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Set the initial view controller to be the root view controller of the window object
self.window.rootViewController = initialViewController;
// Set the window object to be the key window and show it
[self.window makeKeyAndVisible];
}
if (iOSDeviceScreenSize.height == 568)
{ // iPhone 5 and iPod Touch 5th generation: 4 inch screen (diagonally measured)
// Instantiate a new storyboard object using the storyboard file named Storyboard_iPhone4
UIStoryboard *iPhone4Storyboard = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];
// Instantiate the initial view controller object from the storyboard
UIViewController *initialViewController = [iPhone4Storyboard instantiateInitialViewController];
// Instantiate a UIWindow object and initialize it with the screen size of the iOS device
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Set the initial view controller to be the root view controller of the window object
self.window.rootViewController = initialViewController;
// Set the window object to be the key window and show it
[self.window makeKeyAndVisible];
}
} else if ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad)
{ // The iOS device = iPad
UISplitViewController *splitViewController = (UISplitViewController *)self.window.rootViewController;
UINavigationController *navigationController = [splitViewController.viewControllers lastObject];
splitViewController.delegate = (id)navigationController.topViewController;
}
}
有人能解释出什么问题吗?分割视图控制器中的最后一个对象不是UINavigationController。检查你的故事板
UINavigationController *navigationController = [splitViewController.viewControllers lastObject];
splitViewController.delegate = (id)navigationController.topViewController;
谢谢你,帖木儿。我完全忘了我换了控制器。没问题。祝你好运,塔哈。