Questions tagged «dismissviewcontroller»

6
模态视图控制器-如何显示和关闭
在过去的一周中,我为解决如何显示和关闭多个视图控制器来解决此问题而烦恼不已。我创建了一个示例项目,并直接从项目中粘贴代码。我有3个视图控制器及其相应的.xib文件。MainViewController,VC1和VC2。我在主视图控制器上有两个按钮。 - (IBAction)VC1Pressed:(UIButton *)sender { VC1 *vc1 = [[VC1 alloc] initWithNibName:@"VC1" bundle:nil]; [vc1 setModalTransitionStyle:UIModalTransitionStyleFlipHorizontal]; [self presentViewController:vc1 animated:YES completion:nil]; } 这将打开VC1,没有任何问题。在VC1中,我有另一个按钮应该打开VC2,同时关闭VC1。 - (IBAction)buttonPressedFromVC1:(UIButton *)sender { VC2 *vc2 = [[VC2 alloc] initWithNibName:@"VC2" bundle:nil]; [vc2 setModalTransitionStyle:UIModalTransitionStyleFlipHorizontal]; [self presentViewController:vc2 animated:YES completion:nil]; [self dismissViewControllerAnimated:YES completion:nil]; } // This shows a warning: Attempt to dismiss from …
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