Alternatives to Coroutines in Android in Android development?

 
// Example using RxJava for asynchronous operations

import io.reactivex.Observable;

public class RxJavaExample {
    public static void main(String[] args) {
        Observable.fromCallable(() -> {
            // Simulating a time-consuming task
            Thread.sleep(2000);
            return "Task completed!";
        })
        .subscribeOn(Schedulers.io()) // Perform the task on IO thread
        .observeOn(AndroidSchedulers.mainThread()) // Observe the result on the main thread
        .subscribe(result -> {
            // Handle the result here
            System.out.println(result);
        }, throwable -> {
            // Handle any errors here
            throwable.printStackTrace();
        });
    }
}
    

Other alternatives include:

• AsyncTask: A built-in class for performing background operations and publishing results on the UI thread.
• HandlerThread: A thread with a message queue to handle asynchronous tasks using Handler.