CAAnimateGroup组合动画

new_gist_file

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
    
    CABasicAnimation *baseAnimate1 = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
    baseAnimate1.toValue = @(0.1);
    baseAnimate1.duration = 0.5;
    
    CABasicAnimation *baseAnimate2 = [CABasicAnimation animationWithKeyPath:@"position"];
    baseAnimate2.toValue = [NSValue valueWithCGPoint:CGPointMake(0, 0)];
    baseAnimate2.duration = 0.5;
    
    CAAnimationGroup *animateGroup = [CAAnimationGroup animation];
    animateGroup.animations = @[baseAnimate1, baseAnimate2];
    animateGroup.removedOnCompletion = NO;
    animateGroup.fillMode = kCAFillModeForwards;
    
    [self.testView.layer addAnimation:animateGroup forKey:nil];
    
}