The active control state determines which thumb image is stored in this property. Add label to the thumb image of the current value. For the lines, you can use very small image files and stretch them using resizableImageWithCapInsets or similar calls. Instead, you override it when you want to customize the thumb image’s drawing rectangle, returning a different rectangle. Part of this feature is a slightly customized UISlider.In the end, it should look pretty similar to the narrow Scollbar you know from UIScrollView:. 27 May 2019 / objectivec Customizing UISlider — Either color or image. In this article. The thumb image associated with the specified state, or nil if an appropriate image could not be retrieved. For a description of track and thumb images, see Customizing the Slider’s Appearance. A slider’s appearance, including track color, thumb image, and left and right icons, can be adjusted to blend with your app’s design and to communicate intent. But wait a minute, the thumb… is an image?!? A slider that adjusts image size, for example, could show a small image icon on the left and a large image icon on the right. Set Thumb Image(UIImage, UIControlState) Method Definition. To get the thumb image for a different control state, use the thumb Image(for:) method. We're working on a pretty useful — at least we hope so — feature right now. Disabling/freezing thumbs. You can do this without adding/managing your own subviews, but you will need custom images. - yonat/MultiSlider ... Configurable thumb image, minimum and maximum images. Assigning different images to each state lets you customize the appearance of the slider when it is enabled, disabled, highlighted, and so on. Namespace: UIKit Assembly: Xamarin.iOS.dll. UISlider clone with multiple thumbs and values, range highlight, optional snap intervals, optional value labels, either vertical or horizontal. UISlider. In that situation, the slider uses the default thumb image for drawing. Specifies the image to be used for the thumb in the specified UIControlState. I think image files would be easier but less flexible. To add a custom image for the thumb of the slider, simply call the setThumbImage method with your custom image: Swift 3.1: let slider = UISlider() let thumbImage = UIImage slider.setThumbImage(thumbImage, for: .normal) Like the track images, you can assign different thumb images to each control state of the slider.” This method might return nil if you specify multiple control states in the state parameter. Well, now we need to create assets for that them and add them to the assets folder. Figure C shows the situation so far. For the circles just load the images with UIImage(named:) and draw them where you want. distanceBetweenThumbs = 3.14. As this component has existed in the app before, we decided to just change the appearance of it. The rectangle you return must reflect the size of your thumb image and its current position on the slider’s track. If no custom thumb images have been set using the set Thumb Image(_: for:) method, this property is nil. ios,uikit,uislider. UISlider *slider = (UISlider *)sender; ... For now, do not alter the size of the slider. We can also add a label of the current thumb value in UISlider so that, as we move the thumb the value also changes. You can use either PNG images for the items or use an API like CoreGraphics. You do not call this method directly. In addition to customizing the track images, you can also customize the appearance of the thumb itself. If you don't set the same image for the normal and highlighted state then on dragging the UISlider, the default thumb image will be displayed. ... (default = half the thumb size): slider. You can use the setMinimumTrackImage:forState and setMaximumTrackImage:forState which are built in properties of the UISlider API. 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