- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {

    UITouch *touch = [touches anyObject];

    NSUInteger tapCount = [touch tapCount];

    switch (tapCount) {
        case 1:
            [self performSelector:@selector(singleTapMethod) withObject:nil afterDelay:.4];
            break;
        case 2:
            [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(singleTapMethod) object:nil];
            [self performSelector:@selector(doubleTapMethod) withObject:nil afterDelay:.4];
            break;
. . .
}

-(IBAction)buttonClick
{
        //setup ur view dynamically as you like//
        PSview=[[UIView alloc]initWithFrame:CGRectMake(5, 5, 310,450)];
        PSview.backgroundColor=[UIColor blackColor];
        PSview.alpha=0.8;
        [PSview.layer setBorderColor: [[UIColor whiteColor] CGColor]];
        [PSview.layer setBorderWidth: 3.0];


    PSview.contentMode=UIViewContentModeScaleAspectFill;
    PSview.clipsToBounds=YES;
    [PSview.layer setBorderColor: [[UIColor whiteColor] CGColor]];
    [PSview.layer setBorderWidth: 3.0];

    [PSview addSubview:subView];
    [self.view addSubview:PSview];

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
    {
//since there are two tables in one view, you can differentiate them using if()
     if(tableView==subView)
        {
            // ...ur code . ..
            // write your code what needs to happen when you click a row of your subView.
            [PSview removeFromSuperview];
        }
    if(tableView==mainView)
       {
      // write your code , what happens when user clicks row of the main table
       }
    }