出于某种原因,UITapGestureRecognizer
当我点击 UIButton 时,我没有调用它的方法。真正奇怪的是我在 Xcode 中使用断点来确保该gestureRecognizer:shouldReceiveTouch:
方法返回 YES。手势应该调用它的方法,但事实并非如此。我cancelsTouchesInView
设置为YES,但它似乎没有做任何事情。
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch {
if ([touch.view isKindOfClass: [UIButton class]] && !editingTaskName)
return NO;
else if ([touch.view isKindOfClass: [UITextField class]])
return NO;
return YES; // handle the touch
}
这是我设置所有手势识别器的代码。也许其他人正在干扰我的点击手势。
UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget: self action: @selector(longPress:)];
[longPress setMinimumPressDuration: 0.3];
[longPress setDelaysTouchesBegan: YES];
[self setLongPressGesture: longPress];
[[self tableView] addGestureRecognizer: longPress];
UITapGestureRecognizer *backToTableView = [[UITapGestureRecognizer alloc] initWithTarget: self action: @selector(backTapRecognized:)];
[backToTableView setCancelsTouchesInView: YES];
[backToTableView setDelegate: self];
[backToTableView setEnabled: NO];
[self setBackTapGesture: backToTableView];
[[self tableView] addGestureRecognizer: backToTableView];
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget: self action: @selector(hideShowEditing:)];
[tap setCancelsTouchesInView: YES];
[tap setDelegate: self];
[self setEditTap: tap];
[[self tableView] addGestureRecognizer: tap];