TouchAndGuest触摸事件和手势

//
//  nextViewController.m
#import "nextViewController.h"
#import "my.h"
@interface nextViewController ()

@end

@implementation nextViewController
- (void)viewDidLoad {
    
    [super viewDidLoad];
    
    [self createView];
    
}

#pragma mark    ------------------------createView
- (void)createView
{
    self.navigationItem.title =@"GESTUR";
    
    UIImageView *vi =[[UIImageView alloc] init];
    
    vi.tag = 100;
    
    vi.frame = CGRectMake(100, 100, 120, 120);
    
    vi.image = [UIImage imageNamed:@"a"];
    
    [self.view addSubview:vi];
    
    vi.userInteractionEnabled = YES ;
    
#pragma mark    ------------------------单击手势
    //一个视图可以附着多个手势，一个手势只能附着在一个视图上
    // 单击手势
    UITapGestureRecognizer *tap =[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(onTap:)];
    
    //点击次数 默认是1
    tap.numberOfTapsRequired =1 ;
    
    //需要几个手指点击  默认是 1
    tap.numberOfTouchesRequired = 1;
    
    //附着在视图上
    [vi addGestureRecognizer:tap];
    
#pragma mark    ------------------------双击手势
    //双击手势
    UITapGestureRecognizer *doubleTap=[[UITapGestureRecognizer alloc]
                                       initWithTarget:self action:@selector(onDouble:)];
    
    doubleTap.numberOfTapsRequired = 2;
    
    [vi addGestureRecognizer:doubleTap];
    
    //单击在双击手势识别失败之后，在去识别手势
    [tap requireGestureRecognizerToFail:doubleTap];
    
#pragma mark    ------------------------长按手势
    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(onPress:)];
    
    longPress.minimumPressDuration = 1;
    
    [vi addGestureRecognizer:longPress];
    
#pragma mark    ------------------------拖动手势
    //拖动手势 Pan
    UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(onPan:)];
    
    [vi addGestureRecognizer:pan];
    
#pragma mark    ------------------------捏合手势
    //捏合 手势
    UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc]
                                       initWithTarget:self action:@selector(onPinch:)];
    [vi addGestureRecognizer:pinch];
    
    //遵守UIGestureRecognizerDelegate协议
    pinch.delegate = self;
    
#pragma mark    ------------------------旋转手势
    //旋转手势
    UIRotationGestureRecognizer *rotation = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(onRotation:)];
    
    [vi addGestureRecognizer:rotation];
    
    rotation.delegate = self;
    
#pragma mark    ------------------------轻扫手势
    //*********************************************************************
    UISwipeGestureRecognizer *swipedown = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(onSwipe:)];
    
    //设置滑动的方向
    swipedown.direction = UISwipeGestureRecognizerDirectionDown;
    
    [vi addGestureRecognizer:swipedown];
    
    //*********************************************************************
    
    UISwipeGestureRecognizer *swipeleft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(onSwipe:)];
    
    swipeleft.direction = UISwipeGestureRecognizerDirectionLeft;
    
    [vi addGestureRecognizer:swipeleft];
    
    //*********************************************************************
    
    UISwipeGestureRecognizer *swiperight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(onSwipe:)];
    
    swiperight.direction = UISwipeGestureRecognizerDirectionRight;
    
    [vi addGestureRecognizer:swiperight];
    
    //*********************************************************************
    
    UISwipeGestureRecognizer *swipeup = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(onSwipe:)];
    
    swipeup.direction = UISwipeGestureRecognizerDirectionUp;
    
    [vi addGestureRecognizer:swipeup];

}

#pragma mark    ------------------------双击手势
- (void)onDouble:(UITapGestureRecognizer *)ondouble
{
    NSLog(@"图片被双击..");
}

#pragma mark    ------------------------ 单击
- (void)onTap:(UITapGestureRecognizer *)tap
{
    NSLog(@"图片被单击了...");
 
    [self creatUIMenuController:tap];
}

#pragma mark------------------------UIMenuController
- (void)creatUIMenuController:(UITapGestureRecognizer *)tap
{
    
    //菜单  是一个单例 NSUserDefaults  UIApplication
    UIMenuController *menu = [UIMenuController sharedMenuController];
    
    UIMenuItem * item1 = [[UIMenuItem alloc] initWithTitle:@"拷贝" action:@selector(onCopy)];
    
    UIMenuItem * item2 = [[UIMenuItem alloc] initWithTitle:@"删除" action:@selector(onDelete)];
    
    menu.menuItems = @[item1,item2];
    
    CGPoint point = [tap locationInView:self.view];
    
    NSLog(@"point.x=%f",point.x);
    NSLog(@"point.y=%f",point.y);
    
    //设定坐标
    [menu setTargetRect:CGRectMake(point.x, point.y, 80, 50) inView:self.view];
    
    //显示menu
    [menu setMenuVisible:YES animated:YES];
    
    [self becomeFirstResponder];
}

- (void)onCopy
{
    
}

- (void)onDelete
{
    UIImageView *iv = (id)[self.view viewWithTag:100];
    [iv removeFromSuperview];
}

- (BOOL)canBecomeFirstResponder
{
    return YES;
}
#pragma mark    ------------------------ 长压
- (void)onPress:(UITapGestureRecognizer *)tap
{
    NSLog(@"图片被长压");
}

#pragma mark    ------------------------ 拖动
- (void)onPan:(UITapGestureRecognizer *)tap
{
    NSLog(@"图片被拖动...");
    
    UIImageView *iv = (id)[self.view viewWithTag:100];
    
    //找到拖动的位置
    CGPoint point = [tap locationInView:self.view];
    
    if(point.x>=self.view.bounds.size.width-10)
        point.x = self.view.bounds.size.width-10;
    
    iv.frame = CGRectMake(point.x, point.y, iv.frame.size.width, iv.frame.size.height);
    
    NSLog(@"%f,%f",point.x,point.y);
    
    //iv.center = point;
}

#pragma mark    ------------------------ 捏合 手势
-(void)onPinch:(UIPinchGestureRecognizer *)pinch
{
    NSLog(@"捏合手势");
    
    //放大 缩小
    UIImageView *vi =(id)[self.view viewWithTag:100];
    
    vi.transform = CGAffineTransformScale(vi.transform, pinch.scale, pinch.scale); //  x的缩放比例  y的的缩放比例   相对与与
    
    [pinch setScale:1];  //   缩放比例   1相当与不缩放
}

#pragma mark    ------------------------旋转
- (void)onRotation:(UIRotationGestureRecognizer *)rot
{
    NSLog(@"旋转手势");
    
    UIImageView *vi =(id)[self.view viewWithTag:100];
    
    vi.transform = CGAffineTransformRotate(vi.transform, rot.rotation);
    
    [rot setRotation:0];
}

//pan拖动事件的时候轻扫功能不可用
#pragma mark    ------------------------轻扫
- (void)onSwipe:(UISwipeGestureRecognizer *)swipe
{
    
    UIImageView *vi =(id)[self.view viewWithTag:100];
    
    CGPoint point = [swipe locationInView:self.view];
    
    if(swipe.direction == UISwipeGestureRecognizerDirectionDown)
    {
        static int i = 0;
        NSLog(@"轻扫手势 swip down = %d次",++i);
        
        vi.frame = CGRectMake(100, point.y+2, vi.frame.size.width, vi.frame.size.height);
    }
    else if(swipe.direction == UISwipeGestureRecognizerDirectionLeft)
    {
        static int i = 0;
        NSLog(@"轻扫手势 swip left = %d次",++i);
    }
    else if(swipe.direction == UISwipeGestureRecognizerDirectionRight)
    {
        static int i = 0;
        NSLog(@"轻扫手势 swip right = %d次",++i);
    }
    else if(swipe.direction == UISwipeGestureRecognizerDirectionUp)
    {
        static int i = 0;
        
        NSLog(@"轻扫手势 swip up = %d次",++i);//???????
        NSLog(@"point.y=%f",point.y);
        vi.frame = CGRectMake(100, point.y-200, vi.frame.size.width, vi.frame.size.height);
        
        NSLog(@"point.y=%f",point.y);
    }
    
    
}

#pragma mark    ------------------------实现代理协议相似的方法//<UIGestureRecognizerDelegate>
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
{

//允许相似的手势接受事件，如果方法返回yes就是说允许相似的手势识别事件
    return YES;
}
@end