uislider

How to make a vertical UISlider?

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You have to do this programaticaly. Assuming your UISlider is bound to a variable called slider, add this code in your viewDidLoad method in ViewController.m: – (void)viewDidLoad { [super viewDidLoad]; CGAffineTransform trans = CGAffineTransformMakeRotation(M_PI * 0.5); slider.transform = trans; } Let me know if you need any more help on this..

UISlider to control AVAudioPlayer

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Shouldn’t be a problem – just set the slider to continuous and set the max value to your player’s duration after loading your sound file. Edit I just did this and it works for me… – (IBAction)slide { player.currentTime = slider.value; } – (void)updateTime:(NSTimer *)timer { slider.value = player.currentTime; } – (IBAction)play:(id)sender { NSURL *url … Read more

How to make UISlider default thumb to be smaller like the ones in the iOS control center

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You can’t change the size of the default thumb image, but UISlider has a method setThumbImage(_:for:) that will allow you to pass a similar, smaller image. In your view controller viewDidLoad : let image:UIImage? = // … yourSlider.setThumbImage(image, for: .normal) yourSlider.setThumbImage(image, for: .highlighted) // Also change the image when dragging the slider See Customizing the … Read more

How to get the center of the thumb image of UISlider

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This will return the correct X position of center of thumb image of UISlider in view coordinates: – (float)xPositionFromSliderValue:(UISlider *)aSlider { float sliderRange = aSlider.frame.size.width – aSlider.currentThumbImage.size.width; float sliderOrigin = aSlider.frame.origin.x + (aSlider.currentThumbImage.size.width / 2.0); float sliderValueToPixels = (((aSlider.value – aSlider.minimumValue)/(aSlider.maximumValue – aSlider.minimumValue)) * sliderRange) + sliderOrigin; return sliderValueToPixels; } Put it in your view … Read more