我试图缩小图像,改变图像,然后将其缩小回来。如何使用iPhone UIImageView链接缩放动画?
CABasicAnimation* shrink = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
shrink.toValue = [NSNumber numberWithDouble:0];
shrink.duration = 1;
shrink.delegate = self;
[myImageView.layer addAnimation:shrink forKey:@"shrink"];
使得收缩,那么它完成时,我改变形象,并开始成长:
- (void)animationDidStop:(CAAnimation *)theAnimation finished:(BOOL)flag
{
myImageView.image = [images objectAtIndex:image];
CABasicAnimation* grow = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
grow.toValue = CGAffineTransformMakeScale(1,1);
grow.delegate = self;
grow.duration = 1;
[myImageView.layer addAnimation:grow forKey:@"grow"];
}
这在模拟器上的伟大工程,但在设备上,收缩完成时,我获得了全尺寸,旧图像的闪光,然后增长的动画从新图像开始。
任何想法如何摆脱闪存?
(我试过“removedOnCompletion = NO”;并试图设置的AffineTransform等于第一完成后,按比例缩小的尺寸,但没有多少运气。)
知道的任何提示。
KB
编辑:
好极了!设置如下:
shrink.fillMode = kCAFillModeForwards;
shrink.removedOnCompletion = NO;
删除闪烁。谢谢,本!
非常好! 设置以下内容: \t out.fillMode = kCAFillModeForwards; \t out.removedOnCompletion = NO; 删除了闪烁。谢谢,本! – KevinButler 2009-03-07 04:58:02