iOS动画那些事

#pragma mark 添加动画

-(void)addZoomInAnimationWithView:(UIView*)view{
//放大动画
CABasicAnimation *animationZoomIn = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
animationZoomIn.duration          = 0.3f;
animationZoomIn.autoreverses      = NO;
animationZoomIn.repeatCount       = 1;
animationZoomIn.fromValue         = [NSNumber numberWithFloat:0.01];
animationZoomIn.toValue           = [NSNumber numberWithFloat:1.0];
animationZoomIn.timingFunction    = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
[view.layer addAnimation:animationZoomIn forKey:@"scale-layer"];
}

-(void)addZoomOutAnimationWithView:(UIView*)view{
//缩小动画
CABasicAnimation *animationZoomOut   = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
animationZoomOut.delegate            = self;
animationZoomOut.duration            = 0.3f;
animationZoomOut.autoreverses        = NO;
animationZoomOut.repeatCount         = 1;
animationZoomOut.toValue             = [NSNumber numberWithFloat:.01];
animationZoomOut.timingFunction      = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
//动画完成后不再回返
animationZoomOut.fillMode            = kCAFillModeForwards;
animationZoomOut.removedOnCompletion = NO;
[view.layer addAnimation:animationZoomOut forKey:@"scale-layer"];
}