view摇晃效果

作者: 陈水寒 | 来源:发表于2016-12-12 10:53 被阅读15次

// 摇晃效果
- (void)shakeAnimationForView:(UIView *)view
{
    CALayer *viewLayer = view.layer;
    CGPoint position = viewLayer.position;
    CGPoint left = CGPointMake(position.x - 10, position.y);
    CGPoint right = CGPointMake(position.x + 10, position.y);
    
    CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"position"];
    [animation setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]];
    [animation setFromValue:[NSValue valueWithCGPoint:left]];
    [animation setToValue:[NSValue valueWithCGPoint:right]];
    [animation setAutoreverses:YES];
    [animation setDuration:0.08];
    [animation setRepeatCount:3];
    [viewLayer addAnimation:animation forKey:nil];
}