TTT attributed Label Multi- colored Font help

问题

-(UITableViewCell*) makeLikeCell
 {
    // Load the top-level objects from the custom cell XIB.
NSArray *topLevelObjects = [[NSBundle mainBundle]      loadNibNamed:@"SpotlightLikesTableViewCell" owner: self options: nil];

// Grab a pointer to the first object (presumably the custom cell, as that's all the XIB should contain).
UITableViewCell *cell = [topLevelObjects objectAtIndex:0];


NSString *likeText = [likesAndComments objectAtIndex: kLikeRow];

TTTAttributedLabel *likeLabel = [[[TTTAttributedLabel alloc] initWithFrame:CGRectZero] autorelease];
likeLabel = (TTTAttributedLabel*) [cell viewWithTag: kCaptionTag];
likeLabel.textColor = [UIColor blueColor];
likeLabel.lineBreakMode = UILineBreakModeWordWrap;
[likeLabel setFont: [UIFont fontWithName: @"Helvetica Neue" size: 10]];

[likeLabel setText: likeText afterInheritingLabelAttributesAndConfiguringWithBlock: ^NSAttributedString *(NSMutableAttributedString *mutableAttributedString) {
    NSRange colorRange = [[mutableAttributedString string] rangeOfString: @" like this photo." options: NSCaseInsensitiveSearch];

    [mutableAttributedString addAttribute:(NSString *) kCTForegroundColorAttributeName value:(id)[[UIColor grayColor] CGColor] range:colorRange];
    return mutableAttributedString; }];

return cell;
}

I added the TTT attributed label to my project. I want to have 2 different font colors to display the "likes". However my project keeps crashing. A sample string to be formatted would be: "andrew, john, amos likes this photo."

any suggestions?

回答1:

Use like this

[likeLabel setText:likeText afterInheritingLabelAttributesAndConfiguringWithBlock: ^(NSMutableAttributedString *mutableAttributedString) {
    NSRange colorRange = [likeText rangeOfString: @"like this photo." options: NSCaseInsensitiveSearch];
    if (colorRange.location != NSNotFound) {
        [mutableAttributedString addAttribute:(NSString *) kCTForegroundColorAttributeName value:(id)[[UIColor grayColor] CGColor] range:colorRange];
    }
    return mutableAttributedString; 
}];

回答2:

There is a way to set different / multiple fonts & other properties like color on Label using NSMutableAttributedStrin. Refer to my answer on Multiple Font & Color for string & Display the string on Label

来源：https://stackoverflow.com/questions/6081005/ttt-attributed-label-multi-colored-font-help

标签

iphone

objective-c

xcode

nsattributedstring