點擊UIView上的手勢作爲子視圖獲取BAD ACCESS

Question

我有一個來自UIViewController派生類的名爲AdminViewController的類。

我想爲此視圖啓用singleTab識別器。

的看法是在叫MainViewController有：

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

在AdminViewController.m

- (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]; 
} 

如果我摸着我的MainViewController查看我得到這個：

'NSInvalidArgumentException'，原因：' - [UIView handleSingleTap：]：無法識別的選擇器發送到實例0x296d50'

有人提示嗎？ 問候，菲爾

Answer 1

您已經添加上self.view你的姿態，但你沒有實現單抽頭選擇：

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