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#import "ViewController.h"
//定义两个全局变量View视图
@interface ViewController () {
UIView *_view1;
UIView *_view2;
}
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
/*
//创建子视图
_view = [[UIView alloc] initWithFrame:CGRectMake(90, 90, 20, 20)];
_view.backgroundColor = [UIColor greenColor];
[self.view addSubview:_view];
*/
_view1 = [[UIView alloc] initWithFrame:CGRectMake(0, 90, 375, 120)];
_view1.backgroundColor = [UIColor greenColor];
[self.view addSubview:_view1];
_view2 = [[UIView alloc] initWithFrame:CGRectMake(375, 90, 375, 120)];
_view2.backgroundColor = [UIColor redColor];
[self.view addSubview:_view2];
//开启多点触摸,这个不能忘记
self.view.multipleTouchEnabled = YES;
//开启响应
self.view.userInteractionEnabled = YES;
}
//触摸开始
//touches：手指数 event:点击事件
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
//取得touch
UITouch *touch = [touches anyObject];
//(1)取得触摸产生的时候所处的窗口
UIWindow *window = touch.window;
//取得当前的主窗口,
UIWindow *keyWindow = [UIApplication sharedApplication].keyWindow;
//或者
keyWindow = self.view.window;
// NSLog(@"window:%@ keyWindow:%@",window,keyWindow); //地址一样，说明取得是主窗口
//(2取得触摸所处的视图
UIView *view = touch.view;
// NSLog(@"view:%@ self.view:%@",view,self.view);
//（3）点击的次数
NSInteger count = touch.tapCount;
//区别单击和双击手势：延迟调用单击，在一定时间以内如果执行双击，则取消单击事件
if (count == 1) {
// [self singleTap];
//延时调用
[self performSelector:@selector(singleTap) withObject:nil afterDelay:0.2];
}else if (count == 2) {
// [self doubleTap];
//取消单击
[NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(singleTap) object:nil];
//执行双击
[self doubleTap];
}
//声明周期
// touch.phase
//（4）获取点击时的坐标
CGPoint point = [touch locationInView:touch.view];//touch比self好
// NSLog(@"point:%@",NSStringFromCGPoint(point));
}
//单击事件
- (void)singleTap {
NSLog(@"单击了");
}
//双击了
- (void)doubleTap {
NSLog(@"双击了");
}
//触摸移动
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
//取得手指的坐标（当前位置）
// UITouch *touch = [touches anyObject];
// CGPoint point = [touch locationInView:touch.view];
// _view.center = point;
//获取前一个位置坐标
UITouch *touch = [touches anyObject];
CGPoint previousPoint = [touch previousLocationInView:touch.view];
//获取当前的
CGPoint currentPoint = [touch locationInView:touch.view];
//获取水平方向的差值
CGFloat subX = currentPoint.x - previousPoint.x;
_view1.frame = CGRectMake(CGRectGetMinX(_view1.frame)+subX, 90, 375, 120);
_view2.frame = CGRectMake(CGRectGetMinX(_view2.frame)+subX, 90, 375, 120);
}
//触摸结束
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
// NSLog(@"touchesEnded");
}
//触摸中断（取消）
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {
// NSLog(@"touchesCancelled");
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
file:///Users/mac/Desktop/屏幕快照%202015-09-17%20上午8.56.52.png
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原文地址：http://www.cnblogs.com/answer-Allen/p/4815277.html
