UITableViewDelegate not being called - ios

Question

I am trying to call a detail screen from a UITableView list - but the delegate is not being called in the receiving view - I'll post all the code:
list header file:
#import <UIKit/UIKit.h>
#import "tank.h"
#class iTanksV2ListViewController;
#protocol iTanksV2ListViewControllerDelegate
- (void) iTanksListViewController:(iTanksV2ListViewController *) sender choseTank:(tank *)tank;
#end
#interface iTanksV2ListViewController : UITableViewController
#property (nonatomic, strong) NSArray *tanks;
#property (weak, nonatomic) IBOutlet UITableView *tankTableView;
#property (weak, nonatomic) id <iTanksV2ListViewControllerDelegate> delegate;
#end
and the m file:
#import "iTanksV2ListViewController.h"
#import "tank.h"
#import "tankDetailViewController.h"
#interface iTanksV2ListViewController ()
#end
#implementation iTanksV2ListViewController
#synthesize tanks = _tanks;
#synthesize tankTableView = _tankTableView;
#synthesize delegate = _delegate;
- (id)initWithStyle:(UITableViewStyle)style
{
self = [super initWithStyle:style];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Uncomment the following line to preserve selection between presentations.
// self.clearsSelectionOnViewWillAppear = NO;
// Uncomment the following line to display an Edit button in the navigation bar for this view controller.
// self.navigationItem.rightBarButtonItem = self.editButtonItem;
}
- (void)viewDidUnload
{
[self setTankTableView:nil];
[super viewDidUnload];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
// Return the number of sections.
return 1;//keep this section in case we do need to add sections in the future.
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
// Return the number of rows in the section.
return [self.tanks count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = #"Tank List Table Cell";
UITableViewCell *cell = [self.tankTableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (!cell)
{
cell = [[UITableViewCell alloc] initWithFrame:CGRectZero];
}
tank *thisTank = [self.tanks objectAtIndex:indexPath.row];
cell.textLabel.text = thisTank.tankNumber;
return cell;
}
-(void) prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
if([segue.identifier isEqualToString:#"Show Tank Details"])
{
}
}
#pragma mark - Table view delegate
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
tank *thisTank = [self.tanks objectAtIndex:indexPath.row];
[self.delegate iTanksListViewController:self choseTank:thisTank];
}
#end
and the header for the receiving file:
#import <UIKit/UIKit.h>
#import "tankGauge.h"
#import "tank.h"
#interface tankDetailViewController : UIViewController
#property (weak, nonatomic) IBOutlet UILabel *tankNumberLabel;
#property (weak, nonatomic) IBOutlet UILabel *tankProductLabel;
#property (weak, nonatomic) IBOutlet UILabel *tankAvailableProductLabel;
#property (weak, nonatomic) IBOutlet UILabel *tankMaxVolumeLabel;
#property (weak, nonatomic) IBOutlet tankGauge *tankVolumeGauge;
#property (weak, nonatomic) tank* tankToShow;
#end
...and the m file:
#import "tankDetailViewController.h"
#import "iTanksV2ListViewController.h"
#interface tankDetailViewController () <iTanksV2ListViewControllerDelegate>
#end
#implementation tankDetailViewController
#synthesize tankNumberLabel = _tankNumberLabel;
#synthesize tankProductLabel = _tankProductLabel;
#synthesize tankAvailableProductLabel = _tankAvailableProductLabel;
#synthesize tankMaxVolumeLabel = _tankMaxVolumeLabel;
#synthesize tankVolumeGauge = _tankVolumeGauge;
#synthesize tankToShow = _tankToShow;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
}
-(void)iTanksListViewController:(iTanksV2ListViewController *)sender choseTank:(id)tank
{
self.tankToShow = tank;
self.tankNumberLabel.text = self.tankToShow.tankNumber;
}
- (void)viewDidUnload
{
[self setTankNumberLabel:nil];
[self setTankProductLabel:nil];
[self setTankAvailableProductLabel:nil];
[self setTankMaxVolumeLabel:nil];
[self setTankVolumeGauge:nil];
[super viewDidUnload];
// Release any retained subviews of the main view.
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
#end

Answer 1

tankTableView is an IBOutlet, so you just need to connect your tableView's delegate and data-source to your File's Owner in your xib as shown below:

Answer 2

Have you set that viewcontroller as the delegate for that tableview?