iOS,手势识别简单使用

1.iOS目前支持的手势识别（6种）

2.点按手势和慢速拖动手势简单使用

iOS目前支持的手势识别（6种）

UITapGestureRecognizer(点按)

UIPinchGestureRecognizer(捏合，二指往內或往外拨动，平时经常用到的缩放 )

UIPanGestureRecognizer(拖动，慢速移动 )

UISwipeGestureRecognizer(轻扫，快速移动)

UIRotationGestureRecognizer(旋转 )

UILongPressGestureRecognizer(长按)

点按手势和慢速拖动手势简单使用

//ViewController.m文件

#import "ViewController.h"

@interface ViewController ()

@property (nonatomic,strong) UIButton *gesturesBtn;

@end

@implementation ViewController

@synthesize gesturesBtn=_gesturesBtn;

- (void)viewDidLoad {

[super viewDidLoad];

[self.view setBackgroundColor:[UIColor whiteColor]];

self.navigationItem.title=@"手势测试";

_gesturesBtn=[[UIButton alloc] initWithFrame:CGRectMake(self.view.frame.size.width*0.35, self.view.frame.size.height*0.4, self.view.frame.size.width*0.3, self.view.frame.size.height*0.1)];

[_gesturesBtn setBackgroundColor:[UIColor blueColor]];

[_gesturesBtn.layer setCornerRadius:5.0];

[_gesturesBtn.layer setBorderWidth:0.5];

[_gesturesBtn setTitle:@"GesturesTest" forState:UIControlStateNormal];

[_gesturesBtn setTintColor:[UIColor blackColor]];

//慢速滑动

UIPanGestureRecognizer *panLeft=[[UIPanGestureRecognizeralloc]initWithTarget:self action:@selector(panLeftAction:)];

[self.view addGestureRecognizer:panLeft];

//单击手势

UITapGestureRecognizer *tapGes=[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapAction:)];

//点按次数

[tapGes setNumberOfTapsRequired:1];

//点按手指数量

[tapGes setNumberOfTouchesRequired:1];

//把手势加到该按钮视图上

[_gesturesBtn addGestureRecognizer:tapGes];

[self.view addSubview:_gesturesBtn];

}

//慢速滑动手势响应事件

-(void)panLeftAction:(UISwipeGestureRecognizer *)sender{

UIAlertView *alert=[[UIAlertView alloc] initWithTitle:@"提示" message:@"慢滑动"delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];

[alert show];

}

//点按手势响应事件

-(void)tapAction:(UITapGestureRecognizer *)sender{

UIAlertView *alert=[[UIAlertView alloc] initWithTitle:@"提示" message:@"点按手势" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];

[alert show];

}

@end