ios – 当我为UIImageView设置动画时,UITapGestureRecognizer不起作用

概述当我想为UI ImageView设置动画时,添加到它的UITapGestureRecognizer无法工作.为什么？？？ -(void) testTap:(id)sender { NSLog(@"Test tap...");}-(void) testSlide { UITapGestureRecognizer* testTap = [[[UITapGestureRecogni 当我想为UI ImageVIEw设置动画时,添加到它的UITapGestureRecognizer无法工作.为什么？？？

-(voID) testTap:(ID)sender {    NSLog(@"Test tap...");}-(voID) testSlIDe {    UITapGestureRecognizer* testTap = [[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(testTap:)] autorelease];    testTap.numberOfTapsrequired = 2;    UIImageVIEw* imageVIEw = [[[UIImageVIEw alloc] initWithImage:[UIImage imagenamed:@"tip_slIDe"]] autorelease];    [imageVIEw setFrame:CGRectMake(40,40,200,200)];    imageVIEw.userInteractionEnabled = YES;    imageVIEw.multipletouchEnabled = YES;    [imageVIEw addGestureRecognizer:testTap];    [self.vIEw addSubvIEw:imageVIEw];    // When I add the following code,the UITapGestureRecognizer will not work. WHY???    imageVIEw.Alpha = 0;    CGAffinetransform t = imageVIEw.transform;    if (CGAffinetransformIsIDentity(t)) {        UIVIEwAnimationoptions options = UIVIEwAnimationCurveEaseInOut;        [UIVIEw animateWithDuration:1.0 delay:0 options:options animations:^{            imageVIEw.Alpha = 1.0;        } completion:^(BOol finished) {            if (finished) {                [UIVIEw animateWithDuration:1.0 delay:2.0 options:options animations:^{                imageVIEw.Alpha = 0.4;                } completion:^(BOol finished) {                    if (finished) {                        [imageVIEw removeFromSupervIEw];                    }                }];            }        }];    }}

解决方法 您需要在动画期间允许用户交互.

UIVIEwAnimationoptions options = UIVIEwAnimationCurveEaseInOut | UIVIEwAnimationoptionAllowUserInteraction;

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