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"];
}