A customizable UISlider subclass that displays live values in an animated popup view.
ASValueTrackingSlider is an open-source iOS library that extends the standard UISlider to display its current value in a live-updating, animated popup view. It solves the problem of users not seeing the exact value while adjusting a slider, providing immediate visual feedback and enhancing interactivity in apps like media players, settings panels, or configuration tools.
iOS developers building apps that require interactive sliders with clear value feedback, such as media controls, configuration interfaces, or data visualization tools.
Developers choose ASValueTrackingSlider for its easy drop-in integration, extensive customization options, and smooth animations, allowing them to create professional-looking sliders without building custom UI components from scratch.
A UISlider subclass that displays the slider value in a popup view
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Displays the slider's current value in real-time within a popup view as the user drags, enhancing interactivity for settings or media controls, as shown in the animated GIF examples.
Offers granular control over appearance through properties like popUpViewColor, font, textColor, and animated color transitions, allowing tailored designs without building from scratch.
Simply set the UISlider class to ASValueTrackingSlider in Storyboard/nib, making it straightforward to adopt with minimal code changes, as emphasized in the README.
Supports custom NSNumberFormatter for value display (e.g., percentages) and a dataSource protocol for custom strings, enabling complex use cases like temperature sliders with emojis.
Written in Objective-C, it requires bridging headers or additional setup for Swift projects, potentially complicating integration in modern Swift-centric codebases.
As a UISlider subclass, it's limited to UIKit and doesn't support SwiftUI or newer frameworks, restricting use in apps transitioning to Apple's latest UI paradigms.
Using it inside UITableView cells requires implementing delegate methods to manage popup visibility, adding overhead compared to standard sliders, as admitted in the README's integration guide.