iOS view中震动类似实现

#import <Foundation/Foundation.h>@interface AnimationUtils : NSObject+ (void)shake:(UIView *)view;@end

////  AnimationUtils.m//  TPL-AUTO-CLAIM-iPad////  Created by Byron on 12-11-29.//  Copyright (c) 2012年 cisetech. All rights reserved.//#import "AnimationUtils.h"@implementation AnimationUtils//震动效果+ (void)shake:(UIView *)view{    CGRect frame = view.frame;    CAKeyframeAnimation *shakeAnimation = [CAKeyframeAnimation animationWithKeyPath:@"position"];        CGMutablePathRef shakePath = CGPathCreateMutable();    CGPathMoveToPoint(shakePath, NULL, frame.origin.x+frame.size.width/2, frame.origin.y+frame.size.height/2);    int index;    for (index = 3; index >=0; --index)    {        CGPathAddLineToPoint(shakePath, NULL, frame.origin.x+frame.size.width/2 - frame.size.width * 0.02f * index, frame.origin.y+frame.size.height/2);        CGPathAddLineToPoint(shakePath, NULL, frame.origin.x+frame.size.width/2 + frame.size.width * 0.02f * index, frame.origin.y+frame.size.height/2);    }    CGPathCloseSubpath(shakePath);    shakeAnimation.path = shakePath;    shakeAnimation.duration = 0.5f;    shakeAnimation.removedOnCompletion = YES;        [view.layer addAnimation:shakeAnimation forKey:nil];    CFRelease(shakePath);}@end

直接调用就可以了