Iphone 来自AppDelegate的警告
我在调用其他视图控制器时收到以下警告 WindowMultivewAppDelegate可能没有响应-将视图切换到视图 这是我在Firstviewcontroller.m中的代码Iphone 来自AppDelegate的警告,iphone,objective-c,video,geolocation,subviews,Iphone,Objective C,Video,Geolocation,Subviews,我在调用其他视图控制器时收到以下警告 WindowMultivewAppDelegate可能没有响应-将视图切换到视图 这是我在Firstviewcontroller.m中的代码 - (IBAction)swapViews:(id)sender{ WindowMultiViewAppDelegate *delegate = (WindowMultiViewAppDelegate *)[[UIApplication sharedApplication] delegate]; Seco
- (IBAction)swapViews:(id)sender{
WindowMultiViewAppDelegate *delegate = (WindowMultiViewAppDelegate *)[[UIApplication sharedApplication] delegate];
SecondViewController *secondView = [[SecondViewController alloc] initWithNibName:@"SecondViewController" bundle:nil];
[delegate switchView:self toView:secondView.view];
}
这是我在Firstviewcontroller.h中的代码
#import <UIKit/UIKit.h>
@interface FirstViewController : UIViewController {
}
- (IBAction)swapViews:(id)sender;
@end
在appdelegate.h中
@interface WindowMultiViewAppDelegate : NSObject <UIApplicationDelegate, CLLocationManagerDelegate , MKMapViewDelegate> {
UIWindow *window;
UINavigationController *navigationController;
CLLocationManager *locationManager;
}
@property (nonatomic, retain) IBOutlet UIWindow *window;
@property (nonatomic, retain) IBOutlet CLLocationManager *locationManager;
@property (nonatomic, retain) IBOutlet UINavigationController *navigationController;
@end
我做错了什么
有人能告诉我如何将更多子视图连接到UINavigationController吗
我希望其中一个子视图是视频播放器-脱机-另一个子视图是查找用户位置的地图
我是一个初学者……当我知道我要帮助他人时,谢谢大家:)我看不到您在任何地方定义了
switchView:
方法,因此您会收到关于此的警告也就不足为奇了。欢迎使用Stack Overflow!这里有一个关于如何编写易于回答的问题的很好的介绍。首先,标记yo您对所使用的目标平台和编程语言的问题。-(无效)切换视图:(UIView*)视图1到视图:(UIView*)视图2{[UIView beginAnimations:@”“context:nil];[UIView setAnimationCurve:0.75];[UIView setAnimationTransition:UIViewAnimationTransitionFromLeft forView:self.window cache:YES];[window addSubview:View2];[UIView commitAnimations];}//switchview位于windowMultiViewAppDelegate.m中是吗?我想问题是下一个视图是用来播放视频文件的。你知道我应该怎么做吗?你为什么不把这个添加到你的问题中?你粘贴了一大堆不相关的代码,这使得它很难阅读,但忽略了你的警告所指的单一方法…你可能忘记了声明方法,因此编译器警告。顺便说一句,animationCurve参数必须是uiviewmanimationcurve
(它是enum
),而不是浮点
,使用类似于UIViewAnimationCurveeAseeAseOut
的东西。我很抱歉,我也是这个论坛的新手,我也有点恐慌,但谢谢你的建议:)
@interface WindowMultiViewAppDelegate : NSObject <UIApplicationDelegate, CLLocationManagerDelegate , MKMapViewDelegate> {
UIWindow *window;
UINavigationController *navigationController;
CLLocationManager *locationManager;
}
@property (nonatomic, retain) IBOutlet UIWindow *window;
@property (nonatomic, retain) IBOutlet CLLocationManager *locationManager;
@property (nonatomic, retain) IBOutlet UINavigationController *navigationController;
@end
- (IBAction)swapNext:(id)sender
{
WindowMultiViewAppDelegate *delegate = (WindowMultiViewAppDelegate *)[[UIApplication sharedApplication] delegate];
MediaViewController *mediaView = [[MediaViewController alloc] initWithNibName:@"MediaViewController" bundle:nil];
[delegate switchView:self toView:mediaView.view];
}