changing text color in custom UITableViewCell iphone

Question

Hello. I have a custom cell and when the user selects that cell, I would like the text in the two UILabels to change to light gray.

ChecklistCell.h:

#import <UIKit/UIKit.h>


@interface ChecklistCell : UITableViewCell {
    UILabel *nameLabel;
    UILabel *colorLabel;
    BOOL selected;


}

@property (nonatomic, retain) IBOutlet UILabel *nameLabel;
@property (nonatomic, retain) IBOutlet UILabel *colorLabel;



@end

ChecklistCell.m:

#import "ChecklistCell.h"


@implementation ChecklistCell
@synthesize colorLabel,nameLabel;
- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
    if ((self = [super initWithStyle:style reuseIdentifier:reuseIdentifier])) {
        // Initialization code
    }
    return self;
}


- (void)setSelected:(BOOL)selected animated:(BOOL)animated {

    [super setSelected:selected animated:animated];

    // Configure the view for the selected state
}


- (void)dealloc {
    [nameLabel release];
    [colorLabel release];
        [super dealloc];
}


@end

Answer 1

In tableView:didSelectRowAtIndexPath: record the index path of a selected cell. In tableView:cellForRowAtIndexPath: just check if it matches your saved index path, and set the text color accordingly. I'm not completely sure if the cell is be redrawn after a selection so you may need to reloadData following selection but it should be fast enough if you are caching cells/following normal cell drawing best practise.

Or use reloadRowsAtIndexPaths:withRowAnimation with UITableViewRowAnimationNone. But you would then need to keep track of the last cell you drew in gray text and redraw it in plain style also.

Answer 2

In your didSelectRowAtIndexPath method, make a call to get the current cell and update accordingly:

CheckListCell* theCell = (CheckListCell*)[tableView cellForRowAtIndexPath:indexPath];
theCell.nameLabel.textColor = [UIColor lightGrayColor];
theCell.colorLabel.textColor = [UIColor lightGrayColor];

Answer 3

The way I sorted this was in "didSelectRowAtIndexPath:" loop through all subviews of tableView and set all the text labels to the default color like this:

for(CustomTableViewCell *tableCell in [tableView subviews]) {
    if([tableCell isKindOfClass:[UITableViewCell class]]) {
        [tableCell.textLabel setTextColor: [UIColor blackColor]];
    }
}

.... then set the selected table cell to white.

[[tableView cellForRowAtIndexPath:indexPath].textLabel setTextColor: [UIColor whiteColor]];