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RxJava Observable Completable类

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2023-03-14

RxJava Observable Completable类 介绍

Completable 类表示延迟响应。Completable observable 可以指示成功完成或错误。

RxJava Observable Completable类 声明

public abstract class Completable
extends Object
implements CompletableSource

RxJava Observable Completable类 协议

以下是 Completable Observable 操作的顺序协议:

onSubscribe (onError | onComplete)?

RxJava Observable Completable类 示例

package cn.xnip;

import io.reactivex.Completable;
import io.reactivex.disposables.Disposable;
import io.reactivex.observers.DisposableCompletableObserver;
import io.reactivex.schedulers.Schedulers;

import java.util.concurrent.TimeUnit;

public class ObservableTester {
   public static void main(String[] args) throws InterruptedException {

      //Create an observer
      Disposable disposable = Completable.complete()
         .delay(2, TimeUnit.SECONDS, Schedulers.io())
         .subscribeWith(new DisposableCompletableObserver() {
         @Override
         public void onError(Throwable e) { 
            e.printStackTrace();
         }
         @Override
         public void onStart() {
            System.out.println("Started!");
         }
         @Override
         public void onComplete() {
            System.out.println("Done!");
         }
      }); 
      Thread.sleep(3000);
      //start observing
      disposable.dispose();
   }
}

输出结果为: