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如何在Xcode ver中使用UISwipeGestureRecognizer
来限制手势识别的范围。 5?建立手势识别的域
下面是一些代码:
- (void)viewDidLoad {
[super viewDidLoad];
// ...
[UIApplication sharedApplication].idleTimerDisabled = NO;
[UIApplication sharedApplication].idleTimerDisabled = YES;
UISwipeGestureRecognizer *swipeLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(didSwipe:)];
swipeLeft.direction = UISwipeGestureRecognizerDirectionLeft;
[self.view addGestureRecognizer:swipeLeft];
UISwipeGestureRecognizer *swipeRight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(didSwipe:)];
swipeRight.direction = UISwipeGestureRecognizerDirectionRight;
[self.view addGestureRecognizer:swipeRight];
UISwipeGestureRecognizer *swipeUp = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(didSwipe:)];
swipeUp.direction = UISwipeGestureRecognizerDirectionUp;
[self.view addGestureRecognizer:swipeUp];
UISwipeGestureRecognizer *swipeDown = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(didSwipe:)];
swipeDown.direction = UISwipeGestureRecognizerDirectionDown;
[self.view addGestureRecognizer:swipeDown];
// ...
}
// ...
- (void)didSwipe:(UISwipeGestureRecognizer*)swipe{
if (swipe.direction == UISwipeGestureRecognizerDirectionLeft) {
NSLog(@"Swipe Left");
} else if (swipe.direction == UISwipeGestureRecognizerDirectionRight) {
NSLog(@"Swipe Right");
} else if (swipe.direction == UISwipeGestureRecognizerDirectionUp) {
NSLog(@"Swipe Up");
} else if (swipe.direction == UISwipeGestureRecognizerDirectionDown) {
NSLog(@"Swipe Down");
}
}
我需要认识到只有在标签手势。
Thx很多,伙计们。
请注意,您可能必须在标签上设置userInteractionEnabled = YES以便手势识别器正常工作。因为标签通常不会响应触摸事件。 –
哦,我看到..我会更新我的答案。谢谢。 –