iOS UI-手势（Gesture）

#import "ViewController.h"

@interface ViewController ()<UIActionSheetDelegate>
@property (strong, nonatomic) UITextField *me_textfield;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self.view setBackgroundColor:[UIColor lightGrayColor]];
    /*
     手势分类:
     滑动手势、点击手势、双击手势、长按手势等7种
     */
    
//    self.me_textfield = [[UITextField alloc] initWithFrame:CGRectMake(0, 100, 375, 100)];
//    self.me_textfield.placeholder = @"请输入";
//    self.me_textfield.borderStyle = UITextBorderStyleRoundedRect;
//    //self.me_textfield.center =self.view.center;
//    [self.view addSubview:self.me_textfield];
    
    //创建点击手势
    UITapGestureRecognizer *click = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(clickToDoSomething)];
    [self.view addGestureRecognizer:click];
    
    //创建长按手势
    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPressToDoSomething)];
    longPress.minimumPressDuration = 2.0;
    [self.view addGestureRecognizer:longPress];
    
    //创建捏合手势
    UIPinchGestureRecognizer *pich = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pichToDoSomething)];
    [self.view addGestureRecognizer:pich];
    
    //创建旋转手势
    UIRotationGestureRecognizer *rotation = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(rotationToDoSomething)];
    [self.view addGestureRecognizer:rotation];
    
    //创建轻扫手势
    UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeToDoSomething)];
    [self.view addGestureRecognizer:swipe];
    
    //创建拖动手势
    UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panToDoSomething)];
    [self.view addGestureRecognizer:pan];
    
    //创建屏幕边缘拖动手势
    UIScreenEdgePanGestureRecognizer *screenEdgePan =[[UIScreenEdgePanGestureRecognizer alloc] initWithTarget:self action:@selector(screenEdgePanToDoSomething)];
    [self.view addGestureRecognizer:screenEdgePan];
}
#pragma mark - 屏幕边缘拖动手势关联方法
- (void)screenEdgePanToDoSomething
{
    NSLog(@"屏幕边缘拖动");
}
#pragma mark - 拖动手势关联方法
- (void)panToDoSomething
{
    NSLog(@"拖动");
}
#pragma mark - 轻扫手势关联方法
- (void)swipeToDoSomething
{
    NSLog(@"轻扫");
}
#pragma mark - 旋转手势关联方法
- (void)rotationToDoSomething
{
    NSLog(@"旋转");
}
#pragma mark - 捏合手势关联方法
- (void)pichToDoSomething
{
    NSLog(@"捏合");
}
#pragma mark - 长按手势关联方法
- (void)longPressToDoSomething
{
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"关机" message:@"" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定",nil];
    [alert show];
}
#pragma mark - 点击手势关联方法
- (void)clickToDoSomething
{
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"你点我试试" message:@"" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定",nil];
    [alert show];

    
}


- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end