如何在iphone中突出显示UILabel的单词

Question

我正在使用定时器在 UILabel 上加载歌曲的歌词。现在我想用不同的颜色突出显示该标签的每个单词。我该怎么做？

我正在显示这样的歌词

- (void)setCurrentAudioProgress:(NSTimeInterval)time duration:(NSTimeInterval)duration
{
    float progress = time/duration;
    long currentPlaybackTime = audioPlayer.currentTime;
    long remainingTime = (duration-time);

    int remainingHours = (remainingTime /3600);

    int remainingMinutes = ((remainingTime /60 -remainingHours*60));

    int remainingSeconds = (remainingTime %60);


    int currentHours = (currentPlaybackTime / 3600);

    int currentMinutes = ((currentPlaybackTime / 60) - currentHours*60);
    int currentSeconds = (currentPlaybackTime % 60);

    currentTimeLabel.text = [NSString stringWithFormat:@"%i:%02d:%02d", currentHours, currentMinutes, currentSeconds];

    remainingTimeLabel.text = [NSString stringWithFormat:@"%i.%02d.%02d", remainingHours    , remainingMinutes, remainingSeconds];

    [progressView setProgress:progress];

    for (int i = 0; i<[lyricsArray count]; i++) {

        NSString  *lyricsTime = [[lyricsArray objectAtIndex:i]valueForKey:@"startTime" ] ;

        if ([currentTimeLabel.text isEqualToString:lyricsTime]) {

            songLyricsLabel.text = [NSString stringWithFormat:@"%@",[[lyricsArray objectAtIndex:i]valueForKey:@"songLyrics" ]];         
         }            
    }          
}

Answer 1

你必须使用技巧，比如这个标签不支持突出显示

iPhone "slide to unlock" animation

Answer 2

您可以在想要突出显示标签文本时使用以下内容，然后为相应的标签添加以下行

        label.highlighted = YES;
label.highlightedTextColor = [UIColor blueColor];

对于不同的颜色，您可以添加一个带有颜色名称的数组并随机选择....