ios下方滑出视图

最新推荐文章于 2018-11-30 12:21:55 发布

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最新推荐文章于 2018-11-30 12:21:55 发布

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原文链接：http://www.cnblogs.com/loveyy/archive/2012/07/04/2576398.html

本文介绍了如何使用Objective-C在iOS应用中实现视图的滑动动画效果，包括滑动进入和滑动退出两个过程。通过调整视图的位置来创建动画，并在动画结束后移除视图。

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-(void) slideIn {
    CGRect frame = self.slideView.frame;
    frame.origin = CGPointMake(0.0, self.view.bounds.size.height);
    self.slideView.frame = frame;
    [self.view addSubview:self.slideView];
    [UIView beginAnimations:nil context:nil];
    
    frame.origin = CGPointMake(0.0, self.view.bounds.size.height - self.slideView.bounds.size.height);
    self.slideView.frame = frame;
    [UIView commitAnimations];
}

- (void) slideOut {
    
    [UIView beginAnimations:@"removeFromSuperviewWithAnimation" context:nil];
    
    // Set delegate and selector to remove from superview when animation completes
    [UIView setAnimationDelegate:self];
    [UIView setAnimationDidStopSelector:@selector(animationDidStop:finished:context:)];
    
    // Move this view to bottom of superview
    CGRect frame = self.slideView.frame;
    frame.origin = CGPointMake(0.0, self.view.bounds.size.height);
    self.slideView.frame = frame;
    
    [UIView commitAnimations]; 
}

// Method called when removeFromSuperviewWithAnimation's animation completes
- (void)animationDidStop:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context {
    if ([animationID isEqualToString:@"removeFromSuperviewWithAnimation"]) {
        [slideView removeFromSuperview];
    }
}