无法从superview-Xcode6中删除子视图

Question

我通过Storyboard向superview添加了一个视图（displayTapeView），它运行正常。但是当我想在displayTapeView上单击＆＃34; Back＆＃34;按钮时删除displayTapeView。它不起作用。我目前的代码如下：

- (IBAction)tapeButtonPressed:(id)sender {
self.displayTapeView.hidden=NO;
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:1.0];
//[[self displayTapeView] removeFromSuperview];
[UIView setAnimationTransition:UIViewAnimationTransitionFlipFromRight forView:self.displayTapeView cache:YES];
self.displayTapeView.layer.masksToBounds=NO;
self.displayTapeView.layer.shadowOffset=CGSizeMake(-15.0,20.0);
self.displayTapeView.layer.shadowRadius=5.0;
self.displayTapeView.layer.shadowOpacity=0.5;
//[[self view] addSubview:_displayTapeView];
[UIView commitAnimations];
}

- (IBAction)backButtonPressed:(id)sender {
[[self displayTapeView] removeFromSuperview];

}

我想做的是什么时候＆＃34;返回＆＃34;单击按钮，将删除displayTapeView并显示超级视图。

提前谢谢！

Answer 1

self.displayTapeView.hidden = YES;