給控制項添加動畫效果

首先要在framework中引入QuatrtzCore.framework,在標頭檔中需要

#import <QuartzCore/QuartzCore.h>

CATransition *animation = [CATransition animation];    [animation setDuration:1.25f];     [animation setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn]];     [animation setType:@"cube"];    [animation setSubtype: kCATransitionFromBottom];    CGRect rect = [text frame];    CGRect rect1=[btn frame];        [btn setFrame:rect1];    [text setFrame:rect];    if([text isHidden]){        [text setHidden:NO];    }else{        [text setHidden:YES];     }        [UIView commitAnimations];    [text.layer addAnimation:animation forKey:@"Reveal"];