在UITableView上触摸事件？

UITableView

UITapGestureRecognizer

UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(didTapOnTableView:)];
[self.myTableView addGestureRecognizer:tap];

-(void) didTapOnTableView:(UIGestureRecognizer*) recognizer {
    CGPoint tapLocation = [recognizer locationInView:self.myTableView];
    NSIndexPath *indexPath = [self.myTableView indexPathForRowAtPoint:tapLocation];

    if (indexPath) { //we are in a tableview cell, let the gesture be handled by the view
        recognizer.cancelsTouchesInView = NO;
    } else { // anywhere else, do what is needed for your case
        [self.navigationController popViewControllerAnimated:YES];
    }
}

-(void)viewDidLoad {
    [super viewDidLoad];
    etc ...

    [self _prepareTable];
}
-(void)_prepareTable {
    self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
    self.tableView.allowsSelection = NO;
    etc...

    UITapGestureRecognizer *anyTouch =
        [[UITapGestureRecognizer alloc]
         initWithTarget:self action:@selector(tableTap)];
    [self.tableView addGestureRecognizer:anyTouch];
}
// Always drop the keyboard when the user taps on the table:
// This will correctly NOT affect any buttons in cell rows:
-(void)tableTap {
    [self.searchBar resignFirstResponder];
}
// You probably also want to drop the keyboard when the user is
// scrolling around looking at the table. If so:
-(void)scrollViewDidScroll:(UIScrollView *)scrollView {
    [self.searchBar resignFirstResponder];
}
// Finally you may or may not want to drop the keyboard when
// a button in one cell row is clicked. If so:
-(void)clickedSomeCellButton... {
    [self.searchBar resignFirstResponder];
    ...
}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    [super touchesBegan:touches withEvent:event];  //let the tableview handle cell selection 
    [self.nextResponder touchesBegan:touches withEvent:event]; // give the controller a chance for handling touch events 
}

tableView.canCancelContentTouches = NO;

NO

touchesCancelled

 - (void)tableView:(UITableView*)tableView didSelectRowAtIndexPath:(NSIndexPath*)indexPath {
    if(indexPath.row != previousSelectedRow && previousSelectedRow != -1) {
        // hide options or whatever you want to do
        previousSelectedRow = -1;
    }
    else {
        // show your options or other things
        previousSelectedRow = indexPath.row;
    }
 }

- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView
{

}

- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate
{

}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
  //<my stuff>

  [super touchesBegan:touches withEvent:event];
}

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
   //<my stuff>

   [super touchesMoved:touches withEvent:event];
}

- (void)touchesEnded:(NSSet*)touches withEvent:(UIEvent*)event
{
  //<my stuff>

  [super touchesEnded:touches withEvent:event];
}

- (void)touchesCancelled:(NSSet*)touches withEvent:(UIEvent*)event
{
   //<my stuff>
   [super touchesCancelled:touches withEvent:event];
}

-(IBAction)bottomViewRemove:(id)sender {

[bottomView removeFromSuperview];

}