Objective-c手势设置（单击双击事件）

UITapGestureRecognizer.m

{
	GridTileItem* tileItem = something;
	UITapGestureRecognizer *singleFingerOne = [[UITapGestureRecognizer alloc] initWithTarget:self 
																					  action:@selector(onGridTileItemTouched:)];
	singleFingerOne.numberOfTouchesRequired = 1; //手指数
	singleFingerOne.numberOfTapsRequired = 1; //tap次数
	singleFingerOne.delegate = self;

	UITapGestureRecognizer *singleFingerTwo = [[UITapGestureRecognizer alloc] initWithTarget:self 
																					  action:@selector(onGridTileItemTouched:)];
	singleFingerTwo.numberOfTouchesRequired = 1; //手指数
	singleFingerTwo.numberOfTapsRequired = 2; //tap次数
	singleFingerTwo.delegate = self;

	//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
	[singleFingerOne requireGestureRecognizerToFail:singleFingerTwo];

	[tileItem addGestureRecognizer:singleFingerOne];
	[tileItem addGestureRecognizer:singleFingerTwo];
	[singleFingerOne release];
	[singleFingerTwo release];
}


- (void)onGridTileItemTouched:(UITapGestureRecognizer *)sender
{
	GridTileItem* item = (GridTileItem*)(sender.view);
	if(sender.numberOfTapsRequired == 1)
	{
	}
	else if(sender.numberOfTapsRequired == 2)
	{
	}			
}