UITableVIew didSelectRowAtIndexPath inside VIewController not working

Question

I added this code to my ViewController class under (#pragma mark - UITableViewDelegate Methods)

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

    UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];

    NSLog(@"selected cell = %@", cell.textLabel.text);

    [tableView reloadRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationNone];

    NSLog(@"row = %ld", indexPath.row);
}

I just want to display the text that I select but it's not working. Any ideas what I'm doing wrong?

Full code is here: IOS 8 Objective-C Search bar and Table view Using Google Autocomplete

Thanks for the help!

EDIT: I also added the following code:

viewDidLoad method (ViewController.m)

_tableView.allowsSelectionDuringEditing = YES;
_tableView.delegate = self;
_tableView.dataSource = self;

changed ViewController.h code from

@interface ViewController : UIViewController

to

@interface ViewController : UIViewController <UITableViewDelegate, UITableViewDataSource>

What is not working ? The method is not called ? It's not doing what you were expecting ? Can you show `cellForRowAtIndexPath` ? — KIDdAe, Jun 15 '15 at 07:48
I only allowed selection during editing because I read that from the forums. how do I set user interaction? — Joyce, Jun 15 '15 at 07:49
please try debugging and check if control enters 'didSelectRowAtIndexPath` by setting a break point. so that we could know better — Syed Ali Salman, Jun 15 '15 at 07:55
It doesn't seem to be entering the 'didSelectRowAtIndexPath' at all. >. — Joyce, Jun 15 '15 at 07:56
as you said you are allowing selection only on editing so i think the method you need to check is `willBeginEditingRowAtIndexPath`. — Aanabidden, Jun 15 '15 at 08:26
I tried willBeginEditingRowAtIndexPath and willSelectRowAtIndexPath. It doesn't seem to be responding to any UITableViewDelegate Methods >. — Joyce, Jun 15 '15 at 08:37
Did you connect the tableView property with a table view object in Interface builder? — Pavel Malinnikov, Jun 15 '15 at 12:20

score 1 · Answer 1 · answered Jun 15 '15 at 07:43

1

in viewDidLoad set the delegates

_table.delegate = self;
_table.dataSource = self;

in the interface then declare the protocols

@interface ViewController : UIViewController <UITableViewDelegate, UITableViewDataSource>

answered Jun 15 '15 at 07:43

user3290180

4,260
9
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You can also se the the delegates by ctrl-dragging from table view to view controller on storyboard. – Blackus Jun 15 '15 at 07:49
I forgot to mention I did this already. I'm sorry for that >.< But, I think I'm still missing something because it's still not showing after I did this >. – Joyce Jun 15 '15 at 07:49

score 1 · Answer 2 · answered Jun 15 '15 at 07:46

1

[tableView reloadRowsAtIndexPaths:]... only works when wrapped inbetween [tableView beginUpdates] and [tableView endUpdates];

[tableView beginUpdates];
[tableView reloadRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationNone];
[tableView endUpdates];

check if the delegate is set to self

_tableView.delegate = self;

answered Jun 15 '15 at 07:46

Suhit Patil

11,748
3
50
60

Ok. I'll try this out. Thanks! – Joyce Jun 15 '15 at 07:50

score 0 · Answer 3 · answered Jun 15 '15 at 07:50

0

Use the debugger and break points. I would put a break point in:

UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];

and see if the program stops there or not.

answered Jun 15 '15 at 07:50

Ricardo

2,831
4
29
42

Thanks for this! It doesn't seem to stop there. I tried to NSLog random text just to see if it entered the didSelectRowAtIndexPath method during selection, but it didn't output anything. – Joyce Jun 15 '15 at 07:53
In that case you know the problem is with connections, that is, delegates. Specifically UITableViewDelegate (not UITableViewDataSource) – Ricardo Jun 15 '15 at 07:56
That does seem to be the problem. The UITableViewDataSource Methods work just fine, but it won't enter any of the UITableViewDelegate Methods – Joyce Jun 15 '15 at 08:14
Nice, if you mark my response as correct, it would be even better :) BTW I suggest you use interface builder to make these connections from the view (tableview) to your controller (tableviewcontroller). – Ricardo Jun 15 '15 at 09:10
But the problem's not fixed yet? – Joyce Jun 15 '15 at 10:10

Pavel Malinnikov · Answer 4 · 2015-06-15T12:40:44.270

0

Adding the method is not enough. You should set your 'delegate' property of table view to the 'self' where 'self' means your view controller.

For example in your .m file:

@interface MyViewController () <UITableViewDataSource, UITableViewDelegate>

@property (nonatomic, weak) IBOutlet UITableView *tableView;

@end


- (void)viewDidLoad
{
    [super viewDidLoad];

    [self.tableView setDelegate:self];
    [self.tableView setDataSource:self];
}

...

#pragma mark - UITableViewDelegate


- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    ...
}

EDIT: Also please make sure you have connected the tableView property with a table view object inside of Interface Builder.

edited Jun 15 '15 at 12:40

answered Jun 15 '15 at 07:53

Pavel Malinnikov

349
5
11

Does this have a different effect from _tableView.delegate = self? I'll try this out. Thanks! – Joyce Jun 15 '15 at 07:55
Actually it does the same, but accesses to the table view via getter. – Pavel Malinnikov Jun 15 '15 at 07:58
It's still not accessing the didSelectRowAtIndexPath method >. – Joyce Jun 15 '15 at 08:21
Did you have any records in the table? How many rows are returned from tableView:numberOfRowsInSection: ? – Pavel Malinnikov Jun 15 '15 at 12:18

score 0 · Answer 5 · answered Jun 15 '15 at 10:45

0

Have you set this properties in Interface Builder?

Interface Builder

answered Jun 15 '15 at 10:45

Aura

246
1
10

score 0 · Answer 6 · answered Aug 27 '18 at 14:35

Method name changed or wrong. You can drag-drop to set the ViewController as the delegate. But this method needed to process when row touched:

func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
    print("section: \(indexPath.section)")
    print("row: \(indexPath.row)")
    // caller is set to the calling ViewController, when it "prepare" to launch this one
    caller.payFromSelection( selectedIndex: indexPath.row )
}

Back in the main controller, it gets the value and closes the child vc having the tableview...

func payFromSelection( selectedIndex:Int ) -> Void {
    print( selectedIndex )
    self.navigationController?.popViewController(animated: true)
    //self.navigationController?.popToRootViewController(animated: true)
}

UITableVIew didSelectRowAtIndexPath inside VIewController not working

6 Answers6