How to pause and resume a countdown in CountdownLabel?

Use the pause() and start() methods, and check the isPaused property to manage state. The README shows an example with conditional logic for toggling between pause and start.

CountdownLabel vs MZTimerLabel: which one should I use?

CountdownLabel is inspired by MZTimerLabel but adds morphing animations via LTMorphingLabel. Choose CountdownLabel for animated text effects; MZTimerLabel is better for simpler, dependency-free timers.

How to change the time format in CountdownLabel?

Set the timeFormat property to a custom string like 'mm:ss'. Default is 'HH:mm:ss', but avoid formats over 24 hours to prevent errors as mentioned in the README.

Can CountdownLabel handle timers longer than 24 hours?

No, the README advises against specifying over 24 hours due to formatting issues. For longer durations, you'd need to handle time calculations and display manually.

How to use CountdownLabel with SwiftUI?

CountdownLabel is built on UIKit, so you must wrap it in a UIViewRepresentable for SwiftUI integration, which adds complexity compared to native SwiftUI components.

How to add custom actions during countdown in CountdownLabel?

Use the then() method to insert functions at specific times, or implement delegate methods like countingAt for real-time callbacks. The README provides examples with code snippets.

Open-Awesome

CountdownLabel

MITSwift4.0.1

A customizable iOS UILabel for countdown timers with morphing animations and real-time control.

GitHub

1.0k stars192 forks0 contributors

What is CountdownLabel?

CountdownLabel is a Swift library for iOS that provides a customizable UILabel subclass designed specifically for countdown timers. It solves the problem of creating animated, interactive timers in iOS apps by offering built-in morphing animations, real-time controls, and easy integration with standard UIKit styling.

Target Audience

iOS developers building apps that require countdown timers, such as productivity tools, games, event apps, or any application with time-based features.

Value Proposition

Developers choose CountdownLabel for its seamless integration of advanced morphing animations, straightforward API for timer control, and the ability to style timers like standard UILabels, reducing the need for custom timer implementations.

Overview

Simple countdown UILabel with morphing animation, and some useful function.

Use Cases

Best For

Adding animated countdown timers to iOS apps
Creating interactive timers with real-time controls
Implementing visually engaging text animations for countdowns
Building productivity or fitness apps with timer features
Developing games with time-based challenges
Displaying event countdowns with custom styling

Not Ideal For

Projects requiring countdown timers on non-iOS platforms like Android or web
Applications needing complex graphical timer representations such as circular progress bars or custom animations beyond text morphing
Teams prioritizing minimal dependencies, as CountdownLabel relies on LTMorphingLabel for animations
Apps that must display countdowns longer than 24 hours, due to formatting limitations mentioned in the README

Pros & Cons

Pros

Quick Setup

Creating a countdown timer requires only two lines of code, as demonstrated in the README with initialization and .start(), reducing development time.

Dynamic Morphing Animations

Integrates LTMorphingLabel effects like Burn, Evaporate, and Sparkle for engaging text transitions, providing visual appeal without custom animation code.

Real-Time Control

Offers methods to start, pause, and adjust time dynamically, with properties like timeCounted and timeRemaining for easy status monitoring and interaction.

UIKit Styling Compatibility

Can be styled using standard UILabel properties such as textColor and font, ensuring seamless integration into existing iOS interfaces without extra overhead.

Cons

Attributed Text Limitations

Morphing animations are disabled when using attributed text, limiting visual customization for formatted countdowns as noted in the README examples.

External Dependency

Relies on LTMorphingLabel for animations, adding an extra dependency that can complicate maintenance and increase project bloat.

Time Format Constraints

The README explicitly warns that specifying over 24 hours leads to wrong formatting, restricting use for long-duration timers without manual fixes.

Frequently Asked Questions

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