-(void)touchesBegan:(NSSet*)touches withEvent:(UIEvent*)event;
-(void)touchesMoved:(NSSet*)touches withEvent:(UIEvent*)event;
-(void)touchesEnded:(NSSet*)touches withEvent:(UIEvent*)event;
这里还有几个代理方法
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event;//触摸取消事件
-(void)remoteControlReceivedWithEvent:(UIEvent*)event;//注册接受触摸事件的Control
下面写了一个简单的DEMO,触摸时,移动图片
-(void)loadView{
[super loadView];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
UIImageView *image = [[UIImageView all oc] initWithFrame:CGRectMake(20.0,50.0, 45.0,45.0)];
image.image = [UIImage imageNamed:@"1.png"];
image.tag = 100;
[self.view addSubview:image];
}
-(void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
UITouch *touch = [touchesanyObject];
UIImageView *view1 =(UIImageView*)[self.view viewWithTag:100];
CGPoint point =[touch locationInView:self.view];
CGRect frame= view1.frame;
frame.origin = point;
view1.frame = frame;
}
效果