iOS 动态创建控件 并可以拖动控件

touch move 

touch end

移动程序中的view两个方式：1、transform

2、中心点

//

//  SCHView.m

//  touchSCHEvent

//

//  Created by tianshangrenjian on 15/6/29.

//  Copyright (c) 2015年 tianshangrenjian. All rights reserved.

//

#import "SCHView.h"

@implementation SCHView

/*

// Only override drawRect: if you perform custom drawing.

// An empty implementation adversely affects performance during animation.

- (void)drawRect:(CGRect)rect {

    // Drawing code

}

*/

/*

 鼠标在其上点击时触发的事件

 

 */

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

    NSLog(@"%zd",touches.count);

    NSLog(@" 鼠标在其上点击时触发的事件");

}

/*

 鼠标在其上移动时触发的事件

 

 */

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event

{

     NSLog(@"鼠标在其上移动时触发的事件");

    UITouch *touch=[touches anyObject];

    CGPoint prevPoint=[touch previousLocationInView:touch.view];

    CGPoint currentPoint=[touch locationInView:touch.view];

    

    CGPoint centerPoint=touch.view.center;

    

    centerPoint.x+=currentPoint.x- prevPoint.x;

    centerPoint.y+=currentPoint.y- prevPoint.y;

    

 //   touch.view.center=currentPoint;

    

    touch.view.center=centerPoint;

}

/*

 鼠标在离开其上的时触发的事件

 

 */

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event

{

     NSLog(@"鼠标在离开其上的时触发的事件");

}

@end