//單指單擊
UITapGestureRecognizer *singleFingerOne = [[UITapGestureRecognizer alloc] initWithTarget:self
action:@selector(handleSingleFingerEvent:)];
singleFingerOne.numberOfTouchesRequired = 1; //手指數
singleFingerOne.numberOfTapsRequired = 1; //tap次數
singleFingerOne.delegate = self;
//單指雙擊
UITapGestureRecognizer *singleFingerTwo = [[UITapGestureRecognizer alloc] initWithTarget:self
action:@selector(handleSingleFingerEvent:)];
singleFingerTwo.numberOfTouchesRequired = 1;
singleFingerTwo.numberOfTapsRequired = 2;
singleFingerTwo.delegate = self;
//雙指單擊
UITapGestureRecognizer *doubleFingerOne = [[UITapGestureRecognizer alloc] initWithTarget:self
action:@selector(handleDoubleFingerEvent:)];
doubleFingerOne.numberOfTouchesRequired = 2;
doubleFingerOne.numberOfTapsRequired = 1;
doubleFingerOne.delegate = self;
UITapGestureRecognizer *doubleFingerTwo = [[UITapGestureRecognizer alloc] initWithTarget:self
action:@selector(handleDoubleFingerEvent:)];
doubleFingerTwo.numberOfTouchesRequired = 2;
doubleFingerTwo.numberOfTapsRequired = 2;
doubleFingerTwo.delegate = self;
//如果不加下面的話，當單指雙擊時，會先調用單指單擊中的處理，再調用單指雙擊中的處理
[singleFingerOne requireGestureRecognizerToFail:singleFingerTwo];
//同理雙指亦是如此
[doubleFingerOne requireGestureRecognizerToFail:doubleFingerTwo];
[self.view addGestureRecognizer:singleFingerOne];
[self.view addGestureRecognizer:singleFingerTwo];
[self.view addGestureRecognizer:doubleFingerOne];
[self.view addGestureRecognizer:doubleFingerTwo];
//處理單指事件
- (void)handleSingleFingerEvent:(UITapGestureRecognizer *)sender
{
if (sender.numberOfTapsRequired == 1) {
//單指單擊
NSLog(@"單指單擊");
}else if(sender.numberOfTapsRequired == 2){
//單指雙擊
NSLog(@"單指雙擊");
}
}
//處理雙指事件
- (void)handleDoubleFingerEvent:(UITapGestureRecognizer *)sender
{
if (sender.numberOfTapsRequired == 1) {
//雙指單擊
NSLog(@"雙指單擊");
}else if(sender.numberOfTapsRequired == 2){
//雙指雙擊
NSLog(@"雙指雙擊");
}
}
2.手指滑動事件
UISwipeGestureRecognizer *recognizer;
recognizer = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeFrom:)];
[recognizer setDirection:(UISwipeGestureRecognizerDirectionRight)];
[[self view] addGestureRecognizer:recognizer];
recognizer = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeFrom:)];
[recognizer setDirection:(UISwipeGestureRecognizerDirectionLeft)];
[[self view] addGestureRecognizer:recognizer];
recognizer = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeFrom:)];
[recognizer setDirection:(UISwipeGestureRecognizerDirectionUp)];
[[self view] addGestureRecognizer:recognizer];
recognizer = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeFrom:)];
[recognizer setDirection:(UISwipeGestureRecognizerDirectionDown)];
[[self view] addGestureRecognizer:recognizer];
-(void)handleSwipeFrom:(UISwipeGestureRecognizer *)recognizer
{
if(recognizer.direction==UISwipeGestureRecognizerDirectionLeft||recognizer.direction==UISwipeGestureRecognizerDirectionDown) {
NSLog(@"swipe left");
//執行程序
}
if(recognizer.direction==UISwipeGestureRecognizerDirectionRight||recognizer.direction == UISwipeGestureRecognizerDirectionUp) {
NSLog(@"swipe right");
//執行程序
}
}