How to convert rxJava2's Observable to Completable?

java observable rx-java reactive-programming rx-java2
Stepango picture Stepango · Nov 3, 2016 · Viewed 13.4k times · Source

I have Observable stream, and I want to convert it to Completable, how I could do that?

Answer

akarnokd picture akarnokd · Nov 3, 2016

The fluent way is to use Observable.ignoreElements().

Observable.just(1, 2, 3)
.ignoreElements()

Convert it back via toObservable if needed.

Related questions

RxJava Fetching Observables In Parallel

I need some help in implementing parallel asynchronous calls in RxJava. I have picked up a simple use case wherein the FIRST call fetches (rather searches) a list of products (Tile) to be displayed. The subsequent calls go out and …

Read More
When should we use Observer and Observable?

An interviewer asked me: What is Observer and Observable and when should we use them? I wasn't aware of these terms, so when I got back home and started Googling about Observer and Observable, I found some points from different …

Read More
Android data binding : view does not update when property is changed

let me first start with showing the code: build.gradle (module): android { compileSdkVersion 24 buildToolsVersion "24.0.2" dataBinding { enabled = true } defaultConfig { applicationId "com.example.oryaa.basecalculator" minSdkVersion 15 targetSdkVersion 24 versionCode 1 versionName "1.0" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } dependencies { compile fileTree(…

Read More