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    <p>for timeline i do this </p> <pre><code>-(void)changeSliderValue { double duration = CMTimeGetSeconds(self.player.currentItem.duration); [lengthSlider setMaximumValue:(float)duration]; lengthSlider.value = CMTimeGetSeconds([self.player currentTime]); int seconds = lengthSlider.value,minutes = seconds/60,hours = minutes/60; int secondsRemain = lengthSlider.maximumValue - seconds,minutesRemain = secondsRemain/60,hoursRemain = minutesRemain/60; seconds = seconds-minutes*60; minutes = minutes-hours*60; secondsRemain = secondsRemain - minutesRemain*60; minutesRemain = minutesRemain - hoursRemain*60; NSString *hourStr,*minuteStr,*secondStr,*hourStrRemain,*minuteStrRemain,*secondStrRemain; hourStr = hours &gt; 9 ? [NSString stringWithFormat:@"%d",hours] : [NSString stringWithFormat:@"0%d",hours]; minuteStr = minutes &gt; 9 ? [NSString stringWithFormat:@"%d",minutes] : [NSString stringWithFormat:@"0%d",minutes]; secondStr = seconds &gt; 9 ? [NSString stringWithFormat:@"%d",seconds] : [NSString stringWithFormat:@"0%d",seconds]; hourStrRemain = hoursRemain &gt; 9 ? [NSString stringWithFormat:@"%d",hoursRemain] : [NSString stringWithFormat:@"0%d",hoursRemain]; minuteStrRemain = minutesRemain &gt; 9 ? [NSString stringWithFormat:@"%d",minutesRemain] : [NSString stringWithFormat:@"0%d",minutesRemain]; secondStrRemain = secondsRemain &gt; 9 ? [NSString stringWithFormat:@"%d",secondsRemain] : [NSString stringWithFormat:@"0%d",secondsRemain]; timePlayed.text = [NSString stringWithFormat:@"%@:%@:%@",hourStr,minuteStr,secondStr]; timeRemain.text = [NSString stringWithFormat:@"-%@:%@:%@",hourStrRemain,minuteStrRemain,secondStrRemain]; </code></pre> <p>And import CoreMedia framework</p> <p>lengthSlider is UISlider</p>
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    1. POTimeline Progress bar for AVPlayer
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    1. USIgor Bidiniuc
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