UITableView

Where set table view cell separators:

tableview-> attribule inspector -> separator -> single line

Change UITableView separator line color

self.tableView.separatorColor = [UIColor whiteColor];

How to change tableview background color

[self.tableView setBackgroundColor:[UIColor yellowColor]];

How to change tableview background image

self.tableView.backgroundView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"table_background.png"]];

Customize section head of table view

-(UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
    static NSString *CellIdentifier = @"SectionHeader";
    UITableViewCell *headerView = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (headerView == nil){
        [NSException raise:@"headerView == nil.." format:@"No cells with matching CellIdentifier loaded from your storyboard"];
    }
    return headerView;
}

height of section head of table view

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
        return 40.0;
}

select tableview cell and goes to another view

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
     [self performSegueWithIdentifier:@"forward" sender:indexPath];
}

How to hide uitableview selection arrow

cell.accessoryType = UITableViewCellAccessoryNone;

how to change tableview cell alpha value:

cell.contentView.alpha = 0.5;

how to add different separator for dif tableview cells

//in viewdidload add:
self.tableView.separatorColor = [UIColor clearColor];
//in cellForRowAtIndexPath add
CALayer *separator = [CALayer layer];
        separator.backgroundColor = [UIColor whiteColor].CGColor;
        separator.frame = CGRectMake(0, -1, self.view.frame.size.width, 1);
        [cell.layer addSublayer:separator];

particular cell is not selectable

    if (indexPath.row == 0)
    {
        // we decide here that first cell in the table is not selectable (it's just an indicator)
        cell.selectionStyle = UITableViewCellSelectionStyleNone;
    }

select tableview cell and perform segue with some parameters:

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    [self performSegueWithIdentifier:@"editEvent" sender:[self.tableView cellForRowAtIndexPath:indexPath]];
}
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
    UITableViewCell *cell = sender;
    // Make sure your segue name in storyboard is the same as this line
    NSLog(@"inside prepare for segue");
    if ([[segue identifier] isEqualToString:@"editEvent"])
    {
        //((BTCSegue *)segue).animationType = 0 ;
        // Get reference to the destination view controller
        llEditLogViewController *editViewController = [segue destinationViewController];
        NSIndexPath *indexPath = [self.tableView indexPathForCell:cell];
        NSInteger rowSelected = [indexPath row];
        editViewController.rowSelected = rowSelected;
        NSLog(@"prepare for segue, and row is %ld",(long)rowSelected);
    }
}

### how to rename delete table view cell "Delete"?
```objective-c
//let's say we want to rename it to close
- (NSString *)tableView:(UITableView *)tableView titleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath {
    return @"Close";
}

Delete the extra separator of UITableView in iOS 7

- (UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section
{
    return [UIView new];
    // If you are not using ARC:
    // return [[UIView new] autorelease];
}

long press to re-ordering tableview cells

reference

how to implement movable/reorder tableview cells?

ref1

problem: swipe to delete tableview cell seems not working any more.

https://github.com/John-Lluch/SWRevealViewController/issues/104

swipe to delete table view cell?

- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
    // Return YES - we will be able to delete all rows
    return YES;
}

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
    // Perform the real delete action here. Note: you may need to check editing style
    //   if you do not perform delete only.
    NSLog(@"Deleted row.");
}

how to change UITableViewCellAccessory-DisclosureIndicator colour

//normally replace the arrow with an image

cell.accessoryView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"disclosureIndicator.png"]];

how to add search bar in tableview

reference

UISearchResultsTableView dequeueReusableCellWithIdentifier error?

// use self.tableview insead of tableview when dequeue with identifier

how to reload data in tableview of a container view?

UITableViewController *tbc = (UITableViewController *)self.childViewControllers[0];
[tbc.tableView reloadData];

how to make tableview Header not show captalized letter?

- (void)tableView:(UITableView *)tableView willDisplayHeaderView:(UIView *)view forSection:(NSInteger)section
{
    if([view isKindOfClass:[UITableViewHeaderFooterView class]]){
        UITableViewHeaderFooterView *tableViewHeaderFooterView = (UITableViewHeaderFooterView *) view;

        NSString *tempStr = [tableViewHeaderFooterView.textLabel.text lowercaseString];
        tempStr = [tempStr stringByReplacingCharactersInRange:NSMakeRange(0,1) withString:[[tempStr substringToIndex:1] uppercaseString]];
        NSLog(@"temp Str is %@", tempStr);
        tableViewHeaderFooterView.textLabel.text = tempStr;
    }
}

how to add load more function at bottom of tableview?

1. define a cell identifier as the bottom loading bar

   -(void) tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
   {
    int lastRow=[tableArray count];
    if([indexPath row] == lastRow)
    {
        NSLog(@"going to load more");//implement your load more function
        [self.tableView reloadData];
        [self.tableView setNeedsDisplay];
        }
   }
   

   tableview cell can not select

   common reasons:
   
2. do you have tap gesture in the view controller?
   
3. did you write did selection method correctly?
   

   how to set uitableviewcell selection style

   cell.selectionStyle = UITableViewCellSelectionStyleNone;
   

table view refresh and empty view message?

http://www.appcoda.com/pull-to-refresh-uitableview-empty/

tableview auto height

http://www.raywenderlich.com/73602/dynamic-table-view-cell-height-auto-layout