Create Custom UITableViewCell Programmatically - Objective C

Question

- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
        [self setBackgroundColor:[UIColor clearColor]];
        //[self createViews];
    }
    return self;
}

- (void)drawRect:(CGRect)rect
{
    NSLog(@"draw rect");
    [self createViews];
}

I'm creating a custom UITableViewCell. I require creating a UILabel that depends on the height of the UITableViewCell, and the height is not yet set in initWithStyle (it returns the default 44 when in reality the height of my cell varies greatly). For this reason, I call my createViews function in drawRect. This was working well, however I'm noticing that the function can be called again when I insert and delete rows.

My Question: Does it make sense to call my createViews function inside drawRect?

I wouldn't recommend doing it in drawRect. How are you getting your cell height? Why not use auto layout and your cell doesn't need to worry about its height. — JDM
– JDM, Commented Sep 19, 2015 at 20:57
@rmaddy where should I create my views then if I'm not using autolayout? — Apollo
– Apollo, Commented Sep 19, 2015 at 23:15

sunshinejr · Accepted Answer · 2015-09-19 21:37:27Z

1

You have few options here.

1. Use layoutSubviews/awakeFromNib, check whether the subviews were created, if no, create them with correct frames.

2. Use init to create views with:

Constraints
Without constraints and in layoutSubviews/awakeFromNib try to change the frame

answered Sep 19, 2015 at 21:37

sunshinejr

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