[IOS实例小计]UIImageView(3)

p> doubleFingerTwo.numberOfTapsRequired = 2;

p> doubleFingerTwo.delegate= self;

p> 

p> //如果不加下面的话，当单指双击时，会先调用单指单击中的处理，再调用单指双击中的处理

p> [singleFingerOne requireGestureRecognizerToFail:singleFingerTwo];

p> //同理双指亦是如此

p> [doubleFingerOne requireGestureRecognizerToFail:doubleFingerTwo];

p> 

p> [self.view addGestureRecognizer:singleFingerOne];

p> [self.view addGestureRecognizer:singleFingerTwo];

p> [self.view addGestureRecognizer:doubleFingerOne];

p> [self.view addGestureRecognizer:doubleFingerTwo];

p> 

p> [singleFingerOne release];

p> [singleFingerTwo release];

p> [doubleFingerOne release];

p> [doubleFingerTwo release];

p>处理事件的方法，代码：

p> //处理单指事件

p>- (void)handleSingleFingerEvent:(UITapGestureRecognizer *)sender

p>{

p>if(sender.numberOfTapsRequired == 1) {

p>//单指单击

p>NSLog(@"单指单击");

p> }elseif(sender.numberOfTapsRequired == 2){

p>//单指双击

p>NSLog(@"单指双击");

p>}

p> }

p> //处理双指事件

p> - (void)handleDoubleFingerEvent:(UITapGestureRecognizer *)sender

p> {

p> if(sender.numberOfTapsRequired == 1) {

p> //双指单击

p> NSLog(@"双指单击");

p> }elseif(sender.numberOfTapsRequired == 2){

p> //双指双击

p> NSLog(@"双指双击");

p> }

p> }