ios手势识别之轻扫

Posted 2020-06-08

 1 - (void)viewDidLoad
 2 {
 3     [super viewDidLoad];
 4     
 5     // 向上
 6     UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizer alloc] init];
 7     // 设置轻扫的方向
 8     swipe.direction = UISwipeGestureRecognizerDirectionUp;
 9     [self.customView addGestureRecognizer:swipe];
10     [swipe addTarget:self action:@selector(swipeView)];
11     
12     // 向下
13     UISwipeGestureRecognizer *swipe2 = [[UISwipeGestureRecognizer alloc] init];
14     // 设置轻扫的方向
15     swipe2.direction = UISwipeGestureRecognizerDirectionDown;
16     [self.customView addGestureRecognizer:swipe2];
17     [swipe2 addTarget:self action:@selector(swipeView2)];
18     
19     // 左边
20     UISwipeGestureRecognizer *swipe3 = [[UISwipeGestureRecognizer alloc] init];
21     // 设置轻扫的方向
22     swipe3.direction = UISwipeGestureRecognizerDirectionLeft;
23     [self.customView addGestureRecognizer:swipe3];
24     [swipe3 addTarget:self action:@selector(swipeView3)];
25     
26     // 右边
27     UISwipeGestureRecognizer *swipe4 = [[UISwipeGestureRecognizer alloc] init];
28     // 设置轻扫的方向
29     swipe4.direction = UISwipeGestureRecognizerDirectionRight;
30     [self.customView addGestureRecognizer:swipe4];
31     [swipe4 addTarget:self action:@selector(swipeView4)];
32     
33     
34     
35 }
36 - (void)swipeView4
37 {
38     NSLog(@"轻扫事件右");
39 }
40 
41 - (void)swipeView3
42 {
43     NSLog(@"轻扫事件左");
44 }
45 
46 - (void)swipeView2
47 {
48     NSLog(@"轻扫事件下");
49 }
50 
51 - (void)swipeView
52 {
53     NSLog(@"轻扫事件上");
54 }