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我正在使用基于 tabBar 的应用程序。在单击其中一个 tabBarButton 时,它会打开相册。在相册中,顶部有一个取消按钮(navBar)对吗??这里我想为取消按钮执行动作事件单击...同时单击取消按钮,我想转到另一个 tabBar 视图...

请帮我做这个...

预先感谢您的考虑和努力...问候, Renuga

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2 回答 2

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这是 UIImagePickerControllerDelegate 的类定义:

@protocol UIImagePickerControllerDelegate<NSObject>
@optional
// The picker does not dismiss itself; the client dismisses it in these callbacks.
// The delegate will receive one or the other, but not both, depending whether the user
// confirms or cancels.
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_NA,__MAC_NA,__IPHONE_2_0,__IPHONE_3_0);
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info;
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker;

@end

我认为上述方法之一是您需要的:

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker;
于 2010-12-17T06:36:29.047 回答
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将 UITabBarController 的 selectedViewController 属性设置为要切换到的视图控制器。为该属性分配一个新的视图控制器会更改当前显示的视图,并在选项卡栏中选择适当的选项卡。

于 2010-12-17T06:10:48.750 回答