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  • 动画期间响应事件

    示例一:

    // 这样在btn运动的时候只有点击CGRectMake(0, 468, 100, 100);位置才会有响应
    - (void)viewAnimationingRespondEvent {
        // 初始化按钮
        UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
        button.backgroundColor = [UIColor redColor];
        [button addTarget:self action:@selector(buttonEvent:) forControlEvents:UIControlEventTouchUpInside];
    
        [self.view addSubview:button];
    
        // 执行动画
        [UIView animateKeyframesWithDuration:10.f delay:0 options:UIViewAnimationOptionCurveLinear | UIViewAnimationOptionAllowUserInteraction animations:^{
            button.frame = CGRectMake(0, 468, 100, 100);
        } completion:^(BOOL finished) {
    
        }];
    }
    
    - (void)buttonEvent:(UIButton *)button {
        NSLog(@"获取点击事件");
    }

    效果:

    示例二:

    - (void)viewDidLoad {
        [super viewDidLoad];
        // 初始化按钮
        _btn = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
        _btn.backgroundColor = [UIColor redColor];
        [_btn addTarget:self action:@selector(buttonEvent:) forControlEvents:UIControlEventTouchUpInside];
        [self.view addSubview:_btn];
    
        // 执行动画
        [UIView animateKeyframesWithDuration:10.f delay:0 options:UIViewAnimationOptionCurveLinear | UIViewAnimationOptionAllowUserInteraction animations:^{
            _btn.frame = CGRectMake(0, 500, 100, 100);
        } completion:^(BOOL finished) {
    
        }];
    }
    
    - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
        CGPoint touchPoint = [[touches anyObject] locationInView:self.view];
        // 获取button的layer当前位置的position
        CGPoint presentationPosition = [[_btn.layer presentationLayer] position];
    
        // 判断点击是在button上
        if (touchPoint.x > presentationPosition.x - 50 && touchPoint.x < presentationPosition.x + 50 && touchPoint.y > presentationPosition.y - 50 && touchPoint.y < presentationPosition.y + 50) {
            [self buttonEvent:_btn];
        }
    }
    - (void)buttonEvent:(UIButton *)button {
        NSLog(@"获取点击事件");
    }

    效果:

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  • 原文地址:https://www.cnblogs.com/10-19-92/p/5742770.html
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