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Kotlin Timer Library: CountdownTimer & Stopwatch with Coroutines

Overview

The Kotlin Timer library offers a powerful and flexible way to manage time in your Android applications. With features like CountdownTimer and Stopwatch, this library utilizes Kotlin Coroutines Flow for efficient and smooth operations. Whether you need to count down to an event or measure elapsed time, this library has you covered.

Features

• Countdown Timer: Easily set a timer that counts down to zero.
• Stopwatch: Track elapsed time with precision.
• Kotlin Coroutines Flow: Built with modern Kotlin practices for seamless integration.
• Lightweight: Minimal overhead, perfect for mobile applications.
• Easy to Use: Simple API that requires minimal setup.

Installation

To include the Kotlin Timer library in your project, add the following dependency to your build.gradle file:

dependencies {
    implementation 'com.example:timer-kotlin:1.0.0'
}

Make sure to sync your project after adding the dependency.

Usage

Countdown Timer

To create a countdown timer, use the following code:

val countdownTimer = CountdownTimer(60000) // 60 seconds
countdownTimer.start { timeLeft ->
    println("Time left: $timeLeft ms")
}

Stopwatch

To use the stopwatch, initialize it like this:

val stopwatch = Stopwatch()
stopwatch.start()

// After some time
val elapsedTime = stopwatch.stop()
println("Elapsed time: $elapsedTime ms")

Examples

Countdown Timer Example

Here’s a complete example of a countdown timer:

fun main() {
    val timer = CountdownTimer(10000) // 10 seconds
    timer.start { timeLeft ->
        println("Seconds left: ${timeLeft / 1000}")
    }
}

Stopwatch Example

Here’s how to use the stopwatch in a simple application:

fun main() {
    val stopwatch = Stopwatch()
    stopwatch.start()

    // Simulate some work
    Thread.sleep(5000) // Sleep for 5 seconds

    val elapsedTime = stopwatch.stop()
    println("Total time: ${elapsedTime / 1000} seconds")
}

Documentation

For detailed documentation, visit the Kotlin Timer Documentation.

Contributing

Contributions are welcome! If you want to contribute to this project, please follow these steps:

1. Fork the repository.
2. Create a new branch (git checkout -b feature/YourFeature).
3. Make your changes.
4. Commit your changes (git commit -m 'Add some feature').
5. Push to the branch (git push origin feature/YourFeature).
6. Open a pull request.

Topics

This library covers various topics including:

• Android
• Android Library
• Kotlin
• Kotlin Android
• Kotlin Language
• Kotlin Library
• Kotlin Multiplatform
• Stopwatch
• Timer
• Timer Clock

License

This project is licensed under the MIT License. See the LICENSE file for details.

Release Notes

For the latest updates and changes, check the Releases section.

Acknowledgments

• Kotlin: For providing a modern programming language that simplifies Android development.
• Coroutines: For making asynchronous programming easier and more efficient.

Support

If you encounter any issues or have questions, feel free to open an issue on the GitHub repository.

Links

For more information, visit the Releases section.

Additional Resources

• Kotlin Official Website
• Coroutines Documentation

Badges

Future Work

In future versions, we plan to add more features, such as:

• Enhanced UI components for timers and stopwatches.
• Support for notifications when timers finish.
• Integration with other libraries for advanced features.

Community

Join our community on GitHub to discuss features, report issues, and collaborate with other developers.

Contact

For any inquiries, please reach out via GitHub issues or email.

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This library is designed to make your timing needs simple and effective. Whether you’re building a game, a workout app, or any other project that requires timing functionality, the Kotlin Timer library is a reliable choice.

Explore the power of Kotlin and enhance your applications with precise timing capabilities.

For more information, check the Releases section.