移除iOS中的childViewController

Question

我用这种方式添加了一个ChildViewController，它打开屏幕的一半。

   m_customStartupView = [[CustomStartUpViewController alloc]init];
        m_customStartupView.delegate = self;
        if(m_showStatus == SHOW_STATUS)
        {
             m_customStartupView.dialogToShow = LAST_SYNC_STATUS;
        }       

        [self addChildViewController:m_customStartupView];
        [[self view] addSubview:[m_customStartupView view]];
        [m_customStartupView didMoveToParentViewController:self];

        CGRect rect = m_customStartupView.view.frame;
        if(IPHONE_5)
        {
            rect.origin.y = 568;
        }
        else
        {
            rect.origin.y = 480;
        }
        m_customStartupView.view.frame = rect;
        [UIView beginAnimations:@"ShowView" context:nil];
        [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
        [UIView setAnimationDuration:0.2];
        if(IPHONE_5)
        {       
            rect.origin.y = 520;
        }
        else
        {
            rect.origin.y = 420;
        }
        m_customStartupView.view.frame = rect;
        [UIView commitAnimations];

在ChildView的解散时，我调用这个:

-(void)dismissStartupAlertView:(BOOL)buttonClicked
{   
    CGRect rect = m_customStartupView.view.frame;
    if(IPHONE_5)
    {
        rect.origin.y =  520
    }
    else
    {
        rect.origin.y = 420 
    }
    m_customStartupView.view.frame = rect;
    [UIView beginAnimations:@"ShowView" context:nil];
    [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
    [UIView setAnimationDuration:0.2];
    [UIView setAnimationDelegate:self];
    [UIView setAnimationDidStopSelector:@selector(animationDidStop:finished:context:)];
    if(IPHONE_5)
    {
        rect.origin.y = 568;
    }
    else
    {
        rect.origin.y = 480;
    }
    m_customStartupView.view.frame = rect;
    [UIView commitAnimations];
}

- (void)animationDidStop:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context
{
    if([animationID isEqualToString:@"ShowView"])
    {
        [m_customStartupView willMoveToParentViewController:nil];
        [m_customStartupView.view removeFromSuperview];
        [m_customStartupView removeFromParentViewController];
    }
}

我有两个按钮，Button 1和Button 2，当用户点击button1时，childView会从底部动画出来，然后显示出来。现在如果用户按下按钮2，那么之前的childView将被取消，然后显示新的childView

所以问题是，如果我快速点击两个按钮，就像玩卡西欧一样，那么childViews就会重叠。

我们如何解决这个问题?

2)我做的是否正确

的问候Ranjit

Answer 1

尝试在动画播放时暂时禁用按钮2:

   [button2 setEnabled:NO]

然后在动画完成后反转:

  [button2 setEnabled:YES]