本文实例为大家分享了ios实现拖拽view跟随手指浮动的具体代码，供大家参考，具体内容如下
效果图：
1.自定义要跟随手指浮动的那个view
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//// orangeview.m// 拖拽view跟随手指浮动//// created by llkj on 2017/8/16.// copyright © 2017年 laynecheung. all rights reserved.//#import "orangeview.h"@implementation orangeview//当开始触摸屏幕的时候调用- (void)touchesbegan:(nsset<uitouch *> *)touches withevent:(uievent *)event{ nslog(@"%s", __func__);}//触摸时开始移动时调用(移动时会持续调用)//nsset:无序//nsarray:有序- (void)touchesmoved:(nsset<uitouch *> *)touches withevent:(uievent *)event{ nslog(@"%s", __func__); uitouch *touch = [touches anyobject]; //求偏移量 = 手指当前点的x - 手指上一个点的x cgpoint currentpoint = [touch locationinview:self]; cgpoint prepoint = [touch previouslocationinview:self]; nslog(@"ccurrentpoint = %@", nsstringfromcgpoint(currentpoint)); nslog(@"prepiont = %@", nsstringfromcgpoint(prepoint)); cgfloat offsetx = currentpoint.x - prepoint.x; cgfloat offsety = currentpoint.y - prepoint.y; //平移 self.transform = cgaffinetransformtranslate(self.transform, offsetx, offsety);}//当手指离开屏幕时调用-(void)touchesended:(nsset<uitouch *> *)touches withevent:(uievent *)event{ nslog(@"%s", __func__);}//当发生系统事件时就会调用该方法(电话打入,自动关机)- (void)touchescancelled:(nsset<uitouch *> *)touches withevent:(uievent *)event{ nslog(@"%s", __func__);}@end |
2.创建自定义的view
在storyboard中拖一个view绑定他的类为orangeview；
或者代码创建手动添加到控制器的view上去；
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/u010981736/article/details/77309449
