使用iOS手势UIGestureRecognizer
1、拍击UITapGestureRecognizer (任意次数的拍击)
2、向里或向外捏UIPinchGestureRecognizer (用于缩放)
3、摇动或者拖拽UIPanGestureRecognizer
4、擦碰UISwipeGestureRecognizer (以任意方向)
5、旋转UIRotationGestureRecognizer (手指朝相反方向移动)
6、长按UILongPressGestureRecognizer
对 于不同类型的手势识别器,具有不同的配置属性。比如UITapGestureRecognizer,可以配置拍击次数。界面接收到手势之后,可以发送一个 消息,用于处理响应手势动作后的任务。当然,不同的手势识别器,发送的消息方法也会有所不同。下面列举几个具体示例代码:
1、一个手指,拍击两次手势
// 创建一个手势识别器
UITapGestureRecognizer *oneFingerTwoTaps =
[[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(oneFingerTwoTaps)] autorelease];
// Set required taps and number of touches
[oneFingerTwoTaps setNumberOfTapsRequired:2];
[oneFingerTwoTaps setNumberOfTouchesRequired:1];
// Add the gesture to the view
[[self view] addGestureRecognizer:oneFingerTwoTaps];
消息方法oneFingerTwoTaps
- (void)oneFingerTwoTaps
{
NSLog(@"Action: One finger, two taps");
}
2、两个手指,拍击两次手势
UITapGestureRecognizer *twoFingersTwoTaps =
[[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(twoFingersTwoTaps)] autorelease];
[twoFingersTwoTaps setNumberOfTapsRequired:2];
[twoFingersTwoTaps setNumberOfTouchesRequired:2];
[[self view] addGestureRecognizer:twoFingersTwoTaps];
消息方法twoFingersTwoTaps
- (void)twoFingersTwoTaps {
NSLog(@"Action: Two fingers, two taps");
}
3、一个手指向上、向下擦碰手势
// 向上擦碰
UISwipeGestureRecognizer *oneFingerSwipeUp =
[[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(oneFingerSwipeUp:)] autorelease];
[oneFingerSwipeUp setDirection:UISwipeGestureRecognizerDirectionUp];
[[self view] addGestureRecognizer:oneFingerSwipeUp];
- (void)oneFingerSwipeUp:(UISwipeGestureRecognizer *)recognizer
{
CGPoint point = [recognizer locationInView:[self view]];
NSLog(@"Swipe up - start location: %f,%f", point.x, point.y);
}
// 向下擦碰
UISwipeGestureRecognizer *oneFingerSwipeDown =
[[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(oneFingerSwipeDown:)] autorelease];
[oneFingerSwipeDown setDirection:UISwipeGestureRecognizerDirectionDown];
[[self view] addGestureRecognizer:oneFingerSwipeDown];
- (void)oneFingerSwipeDown:(UISwipeGestureRecognizer *)recognizer
{
CGPoint point = [recognizer locationInView:[self view]];
NSLog(@"Swipe down - start location: %f,%f", point.x, point.y);
}
4、旋转手势
UIRotationGestureRecognizer *twoFingersRotate =
[[[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(twoFingersRotate:)] autorelease];
[[self view] addGestureRecognizer:twoFingersRotate];
- (void)twoFingersRotate:(UIRotationGestureRecognizer *)recognizer
{
// Convert the radian value to show the degree of rotation
NSLog(@"Rotation in degrees since last change: %f", [recognizer rotation] * (180 / M_PI));
}
5、向里或向外捏的手势
UIPinchGestureRecognizer *twoFingerPinch =
[[[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(twoFingerPinch:)] autorelease];
[[self view] addGestureRecognizer:twoFingerPinch];
- (void)twoFingerPinch:(UIPinchGestureRecognizer *)recognizer
{
NSLog(@"Pinch scale: %f", recognizer.scale);
}
使用iOS手势UIGestureRecognizer的更多相关文章
- iOS手势UIGestureRecognizer的使用失效问题
问题:视图正常展示在界面中,父层是放在window上的,底部的一个控件的点击事件失效(所有设置都正常) 解决思路:虽然视图能够正常展示,但是发现父类视图的底部尺寸比子类的视图的尺寸小,也就是说上层视图 ...
- iOS手势UIGestureRecognizer的使用及手势冲突的解决办法【转】
转自:iOS开发中的手势体系——UIGestureRecognizer分析及其子类的使用 关于手势的一篇很好的帖子,转载过来免得丢失.你可能最感兴趣的是手势间的互斥处理,那么就搜索 4.手势间的互斥处 ...
- IOS手势UIGestureRecognizer
UIGestureRecognizer是一个抽象类,定义了所有手势的基本行为,它有6个子类处理具体的手势: 1.UITapGestureRecognizer (任意手指任意次数的点击) // 点击次数 ...
- 点击事件touches与ios的手势UIGestureRecognizer
.h文件 @property (weak,nonatomic) IBOutlet UILabel *messageLabel;@property (weak,nonatomic) IBOutlet U ...
- [BS-25] IOS中手势UIGestureRecognizer概述
IOS中手势UIGestureRecognizer概述 一.概述 iPhone中处理触摸屏的操作,在3.2之前是主要使用的是由UIResponder而来的如下4种方式: - (void)touches ...
- iOS手势学习UIGestureRecognizer & cocos2d 手势推荐
iOS手势学习UIGestureRecognizer & cocos2d 手势推荐 手势识别类型: UILongPressGestureRecognizer // 长按UIPanGestur ...
- ios手势
iOS 手势操作:拖动.捏合.旋转.点按.长按.轻扫.自定义 大 中 小 1.UIGestureRecognizer 介绍 手势识别在 iOS 中非常重要,他极大地提高了移动设备的使用便捷性. i ...
- iOS手势处理
iOS手势处理 iOS手势有着如下几种: UITapGestureRecognizer UIPinchGestureRecognizer UIRotationGestureRecognizer UIS ...
- iOS Programming UIGestureRecognizer and UIMenuController
iOS Programming UIGestureRecognizer and UIMenuController A UIGestureRecognizer intercepts touches ...
随机推荐
- 操作符重载.xml
pre{ line-height:1; color:#1e1e1e; background-color:#d2d2d2; font-size:16px;}.sysFunc{color:#627cf6; ...
- 基于select模型的udp客户端实现超时机制
参考:http://www.cnblogs.com/chenshuyi/p/3539949.html 多路选择I/O — select模型 其思想在于使用一个集合,该集合中包含需要进行读写的fd,通过 ...
- mysql error: Access denied for user 'root'@'localhost' (using password: YES)
昨天重装了下系统,安装好mysql后,安装了客户端工具连接mysql,提示Access denied for user 'root'@'localhost' (using password: YES) ...
- linux命令 screen的简单使用
在远程命令行下某些长时间的操作,一旦网络出现故障,后果可能会很严重,在这种情况下可以使用screen命令来解决.screen可以创建一个session,在不小心断开以后还可以继续恢复session保存 ...
- pd虚拟机死机怎么解决
最近在mac上使用pd虚拟机装win使用,今天发现pd中的win7虚拟机死机了,无论怎么点都没用,通过点击操作-关闭也不行,重启电脑也不行,后来找到一种办法可以重启虚拟机. 1.先通过菜单中止虚拟机, ...
- JAVA应用apache httpclient探测http服务
代码很简单,apache都已经提供了封装. import org.apache.commons.httpclient.HttpClient; import org.apache.commons.htt ...
- angular实践第一弹:选项卡开发
在学习angular的过程中,实践是最好的方法. 在开发选项卡的过程中,不需要再像jquery一样以DOM操作为核心,那什么样的情况是以DOM操作为核心的Jquery的思想呢? 一想到改变什么,就想设 ...
- Objc基础学习记录5
NSMutableString类继承的NSString类. NSMutableString是动态的字符串. 1.appendingString 方式: 向字符串尾部添加一个字符串. 2.appendi ...
- c# abstract抽象类与继承类子类的构造函数_base
http://blog.itpub.net/9240380/viewspace-718054/ http://blog.163.com/cloud_thegreat/blog/static/10367 ...
- [转]C语言文件输入/输出ACM改进版(freopen函数)
C语言文件输入/输出ACM改进版(freopen函数) 2009年5月27日 10:379,457 浏览数发表评论阅读评论 文章作者:姜南(Slyar) 文章来源:Slyar Home (www. ...