UIPopoverController showing empty frame - ios

Question

So I am trying to display a UITableView inside a UIPopoverController using the piece of code shown below
vc = [[ActionsViewController alloc] init];
initWithContentViewController:vc];
actionsController = [[UIPopoverController alloc] initWithContentViewController:vc];
actionsController.delegate = self;
NSLog(#"Try to sho it ");
[actionsController presentPopoverFromBarButtonItem:(UIBarButtonItem*)sender permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
And this is ActionsViewController.m which is a subclass of UITableViewController
- (void)viewDidLoad
{
[super viewDidLoad];
NSMutableArray* list = [[NSMutableArray alloc] initWithCapacity:4];
self.actionList = list;
self.clearsSelectionOnViewWillAppear = NO;
self.contentSizeForViewInPopover = CGSizeMake(320.0, 400.0);
[self.actionList addObject:#"Print as book"];
[self.actionList addObject:#"Print page"];
[self.actionList addObject:#"Save Page"];
[self.actionList addObject:#"Share"];
}
- (int)numberOfSectionsInTableView:(UITableView *)tableView
{
NSLog(#"in number of section");
return 1;
}
- (UITableViewCell *)cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [self.tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
}
NSString* lab = [self.actionList objectAtIndex:indexPath.row];
NSLog(#"here in there");
cell.textLabel.text = lab;
return cell;
}
- (NSInteger)numberOfRowsInSection:(NSInteger)section
{
return [self.actionList count];
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
if (self.delegate != nil) {
[self.delegate actionSelected:indexPath.row];
}
}
The corresponding .h file
#import <UIKit/UIKit.h>
#protocol KLActionsViewControllerDelegate
- (void)actionSelected:(NSInteger)index;
#end
#interface KLActionsViewController : UITableViewController <UITableViewDataSource,UITableViewDelegate>
#property (nonatomic, retain) NSMutableArray* actionList;
#property (nonatomic, assign) id<KLActionsViewControllerDelegate> delegate;
#end
Also, I don't think the functions cellForRowAtIndexPath and numberOfSectionsInTableView are getting called because I don't see any console output.
EDIT: This is what I see in the popover
:

Answer 1

In viewDidLoad I added self.tableView = [[UITableView alloc] init]

Answer 2

I guess, the problem would be in that line:
vc = [[ActionsViewController alloc] init];
if you have a NIB file, you should load the UIViewController with using it.
vc = [[ActionsViewController alloc] initWithNibName:#"ActionViewController" bundle:nil];
// the NibName must be the exact name of XIB file without extension.
OR/AND
you should set the popoverContentSize:
[actionController setPopoverContentSize:vc.view.frame.size];
I hope it helps a bit for you.
UPDATE:
it seems it is not an UIPopoverController problem, just a simple UITableViewController delegate issue.
in that line:
actionsController.delegate = self;
you should set that class as delegate which implements the UITableViewDelegate. basically it is the UITableViewController itself like
actionsController.delegate = actionController;
therefore you should not replace this in that case if you haven't implemented the delegate callback methods in the self which the new delegate class is. you simple steal the chance from the class which was really delegated to answer the callbacks, and in you new delegate class you don't answer the callbacks.
this would be the reason why you are seeing the empty table, without the datas.

Answer 3

You need to load the table view via (last line of viewdidload :
[self.tableView reloadData];
that will trigger the table view methods to action. Put a breakpoint in the various tableview methods particularly in -
(NSInteger)numberOfRowsInSection:(NSInteger)section
{
return [self.actionList count];
}
If this does not get called your tableview is not loaded.

Answer 4

UITableViewController is implicit set datasource and delegate, there is no need to set explicitly datasource and delegate.
Remove UITableViewDataSource,UITableViewDelegate from .h file
#import <UIKit/UIKit.h>
#protocol KLActionsViewControllerDelegate
- (void)actionSelected:(NSInteger)index;
#end
#interface KLActionsViewController : UITableViewController
#property (nonatomic, retain) NSMutableArray* actionList;
#property (nonatomic, assign) id<KLActionsViewControllerDelegate> delegate;
#end
and also remove this line **actionsController.delegate = self;
vc = [[ActionsViewController alloc] init];
actionsController = [[UIPopoverController alloc] initWithContentViewController:vc];
[actionsController presentPopoverFromBarButtonItem:(UIBarButtonItem*)sender permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];