在我的项目中,我使用 AVAudioPlayer 播放已保存的音频。我显示了用于播放音频的滑块。滑块的值是使用播放器的当前时间属性设置的。 playSlider.value = avAudioPlayer.currentTime; 这是计时器代码
updateTimer = [NSTimer scheduledTimerWithTimeInterval:.01 target:self selector:@selector(updateCurrentTime) userInfo:p repeats:YES];
//Calls the update current time function
- (void)updateCurrentTime
{
[self updateCurrentTimeForPlayer:self.player];
}
//Updates the current time while the audio is playing
-(void)updateCurrentTimeForPlayer:(AVAudioPlayer *)avAudioPlayer
{
currentTimeLabel.text = [NSString stringWithFormat:@"%d:%02d", (int)avAudioPlayer.currentTime / 60, (int)avAudioPlayer.currentTime % 60, nil];
playSlider.value = avAudioPlayer.currentTime;
if (playSlider.value==playSlider.minimumValue)
{
moveToBeginningButton.enabled = NO;
rewindButton.enabled = NO;
NSLog(@"PlaySliderMaxValue1 === %f",playSlider.maximumValue);
NSLog(@"PlaySliderValue1 === %f",playSlider.value);
}
else
{
moveToBeginningButton.enabled = YES;
rewindButton.enabled = YES;
NSLog(@"PlaySliderMaxValue2 === %f",playSlider.maximumValue);
NSLog(@"PlaySliderValue2 === %f",playSlider.value);
}
}
滑块的最大值设置如下:
playSlider.maximumValue = audioPlayer.duration;
我遇到的问题是,在播放后,滑块指针总是会返回音频的开头。这是一个bug吗?我该如何解决?请提供您的建议。