在SubView获取BAD ACCESS时点击UIView上的手势

Question

我有一个来自UIViewController的派生类，名为AdminViewController。

我想为此视图启用singleTab识别器。

ViewView在MainViewController中调用：

AdminViewController* AdminViewC = [[AdminViewController alloc]init];
[self.view addSubview:AdminViewC.view];

在AdminViewController.m

中

- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer{
    if([gestureRecognizer isKindOfClass:[UITapGestureRecognizer class]])
    {
        [gestureRecognizer addTarget:self action:@selector(tappedGestureAction:)];
    }
    return YES;
}

-(void)tappedGestureAction:(UITapGestureRecognizer *)tap{
    UIAlertView *av = [[UIAlertView alloc] initWithTitle:@"View Tapped" message:@"Tapped" delegate:nil cancelButtonTitle:@"Dissmiss" otherButtonTitles:@"Done", nil];
    [av show];
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view from its nib.
    [self.view setFrame:CGRectMake(500, -200, 200, 300)];
    UITapGestureRecognizer *singleFingerTap =
    [[UITapGestureRecognizer alloc] initWithTarget:self.view action:@selector(handleSingleTap:)];
    [self.view addGestureRecognizer:singleFingerTap];
}

如果我触摸MainViewController中的View，我会得到：

＆＃39; NSInvalidArgumentException＆＃39;，原因：＆＃39; - [UIView handleSingleTap：]：无法识别的选择器发送到实例0x296d50＆＃39;

有人提示吗？ 问候，菲尔

Answer 1

您已在self.view添加了手势，但未实现单击选择器：

-(void)handleSingleTap:(UITapGestureRecognizer*)tapGesture
{
}