/**
* 抖动效果
*
* @param view 要抖动的view
*/
- (void)shakeAnimationForView:(UIView *) view {
CALayer *viewLayer = view.layer;
CGPoint position = viewLayer.position;
CGPoint x = CGPointMake(position.x + 1, position.y);
CGPoint y = CGPointMake(position.x - 1, position.y);
CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"position"];
[animation setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionDefault]];
[animation setFromValue:[NSValue valueWithCGPoint:x]];
[animation setToValue:[NSValue valueWithCGPoint:y]];
[animation setAutoreverses:YES];
[animation setDuration:.06];
[animation setRepeatCount:3];
[viewLayer addAnimation:animation forKey:nil];
}
