UITableView 中 didSelectRowAtIndexPath 手势冲突或者双击事件处理

实现双击事件的方法

1- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{  
2        NSUInteger current = [[NSDate date] timeIntervalSince1970]*1000;
3        if (current - taptime < 500) {
4            // TODO
5        }
6        taptime = current;
7}
8
9
10- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath 
11{
12    tapCount++;
13    switch (tapCount)
14    {
15        case 1: //single tap
16            [self performSelector:@selector(singleTap) withObject: nil afterDelay: .4];
17            break;
18        case 2: //double tap
19            [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(singleTap) object:nil];
20            [self performSelector:@selector(doubleTap) withObject: nil];
21            break;
22        default:
23            break;
24    }
25}
26- (void)singleTap
27{
28    tapCount = 0;
29    // TODO
30}
31
32- (void)doubleTap
33{
34    tapCount = 0;
35    // TODO
36｝ 
37
38- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event{
39    UITouch *touch = [touches anyObject];
40    int count = [touch tapCount];
41    if (count == 2) {
42        // TODO
43        NSLog(@"success");
44    }
45} 

事件冲突

1-(BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch {
2    if([NSStringFromClass([touch.view class])isEqualToString:@"UITableViewCellContentView"]){
3    // TODO
4
5    return NO;
6    }
7return YES;
8}

绑定单击，双击点击手势

1// [A requireGestureRecognizerToFail：B]函数，它可以指定当A手势发生时，即便A已经滿足条件了，也不会立刻触发，会等到指定的手势B确定失败之后才触发。
2
3- (void)viewDidLoad 
4{
5    // 单击的 Recognizer
6    UITapGestureRecognizer* singleRecognizer;
7    singleRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:selfaction:@selector(SingleTap：)];
8    //点击的次数
9    singleTapRecognizer.numberOfTapsRequired = 1; // 单击
10    //给self.view添加一个手势监测；
11  [self.view addGestureRecognizer:singleRecognizer];
12
13    // 双击的 Recognizer
14    UITapGestureRecognizer* doubleRecognizer;
15    doubleRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:selfaction:@selector(DoubleTap：)];
16    doubleTapRecognizer.numberOfTapsRequired = 2; // 双击
17    //关键语句，给self.view添加一个手势监测；
18    [self.view addGestureRecognizer:doubleRecognizer];
19
20    // 关键在这一行，双击手势确定监测失败才会触发单击手势的相应操作
21    [singleRecognizer requireGestureRecognizerToFail:doubleRecognizer];
22}
23
24-(void)SingleTap:(UITapGestureRecognizer*)recognizer{
25// TODO
26}
27
28-(void)DoubleTap:(UITapGestureRecognizer*)recognizer{
29// TODO
30}