Repeatedly make API call with retrofit and rxjava

问题

I have a retrofit observable:

@GET("something/")
Observable<Something> getSomething();

subscribing to it gives the response.

getSomething().subscribe(new Subscriber<Something>() {
            @Override
            public void onCompleted() {
            }

            @Override
            public void onError(Throwable e) {
            }

            @Override
            public void onNext(Something something) {
                //update database of something
            }
        });

how can i make this call every 60 seconds so that i can update database accordingly?

回答1:

First please don't do it if you can avoid it. It's preferable to push the changes (GCM for example) instead of pulling to save battery and data.

To do this you can use a combination of Observable.interval and the Observable.repeat operator.

Observable.interval(60, TimeUnit.SECONDS)
    .flatMap(n -> getSomething())
    .repeat()
    .subscribe();

Sorry about the lambdas.

来源：https://stackoverflow.com/questions/39309910/repeatedly-make-api-call-with-retrofit-and-rxjava