我有一个使用RxJava的改装请求API调用。一切都很好。
如何优化此代码。我是RxJava的新手。如果能提供一个小示例代码或链接,我将不胜感激。谢谢
Observable<Review> observer = Observable.just(review);
observer.subscribeOn(Schedulers.newThread())
.observeOn(Schedulers.newThread())
.map(new Func1<Review, Uri>() {
@Override
public Uri call(Review review) {
Uri uri = null;
/// Some code
return uri;
}
}).subscribe(new Action1<Uri>() {
@Override
public void call(Uri uri) {
if(uri != null) {
Api.Reviews reviewApi = retrofit.create(Api.Reviews.class);
Observable<BaseResponse<Review>> reviews = reviewApi.createReview(authToken, review);
reviews.subscribeOn(Schedulers.newThread())
.observeOn(AndroidSchedulers.mainThread())
.map(new Func1<BaseResponse<Review>, Void>(){
@Override
public Void call(BaseResponse<Review> response) {
//Code Here
return null;
}
}).subscribe();
}
}
});
有几个选项:map、doOnNext、flatMap等,这取决于您以后要对改装结果做什么。例如:
reviews
.subscribeOn(Schedulers.io())
.observeOn(Schedulers.io())
.map(r -> {
try {
someDB.save(r);
} catch (Exception ex) {
throw new RuntimeException(ex);
}
return r;
})
.observeOn(AndroidSchedulers.mainThread())
.subscribe(v -> { }, e -> { log(e); });
或
reviews
.subscribeOn(Schedulers.io())
.observeOn(Schedulers.io())
.doOnNext(r -> {
try {
someDB.save(r);
} catch (Exception ex) {
throw new RuntimeException(ex);
}
})
.observeOn(AndroidSchedulers.mainThread())
.subscribe(v -> { }, e -> { log(e); });
或
reviews
.subscribeOn(Schedulers.io())
.observeOn(Schedulers.io())
.flatMap(r -> {
try {
someDB.save(r);
return Observable.empty(); // or Observable.just(r);
} catch (Exception ex) {
return Observable.error(ex);
}
})
.observeOn(AndroidSchedulers.mainThread())
.subscribe(v -> { }, e -> { log(e); });
最近我发布了一些RxJava用法的示例(https://github.com/dawidgdanski/rx-java-handies)。如果您在调查API案例时发现它很有用,我很乐意帮助您。