dependencies { implementation 'com.google.android.gms:play-services-tasks:17.2.1' } import com.google.android.gms.tasks.Task; public class MyBackgroundTask extends Task<String> { @Override protected void start() { } @Override protected String execute() { } @Override protected void onTaskCompleted(String result) { } } MyBackgroundTask task = new MyBackgroundTask(); task.addOnCompleteListener(result -> { String taskResult = result.getResult(); System.out.println(taskResult); }); task.start();


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