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Another way to achieve Polling Feature #1

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Another way to achieve Polling Feature #1

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58 changes: 22 additions & 36 deletions app/src/main/java/com/demo/maat/hello_rxjava/PollingFragment.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,29 +17,22 @@
import rx.Observable;
import rx.Subscriber;
import rx.Subscription;
import rx.functions.Action0;
import rx.functions.Action1;
import rx.schedulers.Schedulers;
import rx.subscriptions.CompositeSubscription;

import rx.functions.Func1;

public class PollingFragment extends Fragment {


static final String TAG = "PollingFragment";
@BindView(R.id.btn_polling)
Button mBtnPolling;

int N=0;
private Subscription subscribe;
private CompositeSubscription mCompositeSubscription;
int N = 0;
private Subscription subscription;

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.polling_fragment, container, false);
ButterKnife.bind(this, view);
mCompositeSubscription = new CompositeSubscription();
return view;
}

Expand All @@ -51,48 +44,41 @@ public void onResume() {
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);

}


@OnClick(R.id.btn_polling)
public void onClick() {

//此处有bug,subscribe无法释放,望高人pull requests
subscribe=Observable.create(new Observable.OnSubscribe<String>() {
subscription = Observable.create(new Observable.OnSubscribe<String>() {
@Override
public void call(final Subscriber<? super String> observer) {

Schedulers.newThread().createWorker()
.schedulePeriodically(new Action0() {
@Override
public void call() {
observer.onNext(" "+(N++));
}
}, 0, 1000, TimeUnit.MILLISECONDS);
public void call(final Subscriber<? super String> subscriber) {
subscriber.onNext(" " + (N++));
subscriber.onCompleted();
}
})
.repeatWhen(new Func1<Observable<? extends Void>, Observable<?>>() {
@Override
public Observable<?> call(Observable<? extends Void> observable) {
return observable.delay(1, TimeUnit.SECONDS);
}
})
.subscribe(new Action1<String>() {
@Override
public void call(String s) {
printLog("polling"+s);
}
});
mCompositeSubscription.add(subscribe);
@Override
public void call(String s) {
printLog("polling" + s);
}
});
}

private void printLog(String s) {
Log.i(TAG, s);
}

@Override
public void onDestroy() {
super.onDestroy();
mCompositeSubscription.unsubscribe();
Log.i(TAG, "subscribe.unsubscribe()");
subscription.unsubscribe();
}


}