@Test
public void test() {
TestSubscriber<Object> tester = new TestSubscriber<>();
TestScheduler scheduler = Schedulers.test();
Observable<Long> left = Observable.interval(100, TimeUnit.MILLISECONDS, scheduler).take(6);
Observable<Long> right = Observable.interval(200, TimeUnit.MILLISECONDS, scheduler).take(3);
left.groupJoin(
right,
i -> Observable.never(),
i -> Observable.timer(0, TimeUnit.MILLISECONDS, scheduler),
(l, rs) -> rs.toList().map(rl -> Tuple.create(l, rl)))
.flatMap(i -> i)
.subscribe(tester);
scheduler.advanceTimeTo(600, TimeUnit.MILLISECONDS);
tester.assertReceivedOnNext(
Arrays.asList(
Tuple.create(0L, Arrays.asList(0L, 1L, 2L)),
Tuple.create(1L, Arrays.asList(0L, 1L, 2L)),
Tuple.create(2L, Arrays.asList(1L, 2L)),
Tuple.create(3L, Arrays.asList(1L, 2L)),
Tuple.create(4L, Arrays.asList(2L)),
Tuple.create(5L, Arrays.asList(2L))));
}
@Test
public void exampleEquivalence() {
TestScheduler scheduler = Schedulers.test();
TestSubscriber<Object> testerJoin = new TestSubscriber<>();
TestSubscriber<Object> testerGroupJoin = new TestSubscriber<>();
Observable<Long> left = Observable.interval(100, TimeUnit.MILLISECONDS, scheduler);
Observable<Long> right = Observable.interval(100, TimeUnit.MILLISECONDS, scheduler);
left.join(
right,
i -> Observable.timer(150, TimeUnit.MILLISECONDS, scheduler),
i -> Observable.timer(0, TimeUnit.MILLISECONDS, scheduler),
(l, r) -> Tuple.create(l, r))
.take(10)
.subscribe(testerJoin);
left.groupJoin(
right,
i -> Observable.timer(150, TimeUnit.MILLISECONDS, scheduler),
i -> Observable.timer(0, TimeUnit.MILLISECONDS, scheduler),
(l, rs) -> rs.map(r -> Tuple.create(l, r)))
.flatMap(i -> i)
.take(10)
.subscribe(testerGroupJoin);
scheduler.advanceTimeTo(600, TimeUnit.MILLISECONDS);
testerJoin.assertReceivedOnNext(testerGroupJoin.getOnNextEvents());
}
private void loadList(List<AppInfo> apps) {
mRecyclerView.setVisibility(View.VISIBLE);
Observable<AppInfo> observableApp = Observable.from(apps);
Observable<Long> tictoc = Observable.interval(1, TimeUnit.SECONDS);
Observable.zip(observableApp, tictoc, this::updateTitle)
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
new Observer<AppInfo>() {
@Override
public void onCompleted() {
Toast.makeText(getActivity(), "Here is the list!", Toast.LENGTH_LONG).show();
}
@Override
public void onError(Throwable e) {
mSwipeRefreshLayout.setRefreshing(false);
Toast.makeText(getActivity(), "Something went wrong!", Toast.LENGTH_SHORT).show();
}
@Override
public void onNext(AppInfo appInfo) {
if (mSwipeRefreshLayout.isRefreshing()) {
mSwipeRefreshLayout.setRefreshing(false);
}
mAddedApps.add(appInfo);
int position = mAddedApps.size() - 1;
mAdapter.addApplication(position, appInfo);
mRecyclerView.smoothScrollToPosition(position);
}
});
}
@Test
public void test() {
TestSubscriber<Long> tester = new TestSubscriber<>();
TestScheduler scheduler = Schedulers.test();
Observable.switchOnNext(
Observable.interval(100, TimeUnit.MILLISECONDS, scheduler)
.map(i -> Observable.interval(30, TimeUnit.MILLISECONDS, scheduler).map(i2 -> i)))
.distinctUntilChanged()
.subscribe(tester);
scheduler.advanceTimeBy(500, TimeUnit.MILLISECONDS);
tester.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L, 3L));
tester.assertNoErrors();
assertEquals(tester.getOnCompletedEvents().size(), 0);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.progress_bar_activity);
Observable.interval(1, TimeUnit.SECONDS)
.take(4)
.compose(RxProgressBar.withAny((ProgressBar) findViewById(R.id.progressBar)))
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
new Action1<Long>() {
@Override
public void call(Long aLong) {
Toast.makeText(ProgressBarActivity.this, "Value " + aLong, Toast.LENGTH_SHORT)
.show();
Log.i("tag", "emited value " + aLong);
}
},
new Action1<Throwable>() {
@Override
public void call(Throwable throwable) {
Log.e("tag", "error ", throwable);
}
});
}
private void loadList(List<AppInfo> apps) {
mRecyclerView.setVisibility(View.VISIBLE);
Observable<AppInfo> appsSequence =
Observable.interval(1000, TimeUnit.MILLISECONDS)
.map(
position -> {
App.L.debug("Position: " + position);
return apps.get(position.intValue());
});
Observable<Long> tictoc = Observable.interval(1000, TimeUnit.MILLISECONDS);
appsSequence
.join(
tictoc,
appInfo -> Observable.timer(2, TimeUnit.SECONDS),
time -> Observable.timer(0, TimeUnit.SECONDS),
this::updateTitle)
.observeOn(AndroidSchedulers.mainThread())
.take(10)
.subscribe(
new Observer<AppInfo>() {
@Override
public void onCompleted() {
Toast.makeText(getActivity(), "Here is the list!", Toast.LENGTH_LONG).show();
}
@Override
public void onError(Throwable e) {
mSwipeRefreshLayout.setRefreshing(false);
Toast.makeText(getActivity(), "Something went wrong!", Toast.LENGTH_SHORT).show();
}
@Override
public void onNext(AppInfo appInfo) {
if (mSwipeRefreshLayout.isRefreshing()) {
mSwipeRefreshLayout.setRefreshing(false);
}
mAddedApps.add(appInfo);
int position = mAddedApps.size() - 1;
mAdapter.addApplication(position, appInfo);
mRecyclerView.smoothScrollToPosition(position);
}
});
}
public void exampleTimestamp() {
Observable<Long> values = Observable.interval(100, TimeUnit.MILLISECONDS);
values.take(3).timestamp().subscribe(new PrintSubscriber("Timestamp"));
// Timestamp: Timestamped(timestampMillis = 1428611094943, value = 0)
// Timestamp: Timestamped(timestampMillis = 1428611095037, value = 1)
// Timestamp: Timestamped(timestampMillis = 1428611095136, value = 2)
// Timestamp: Completed
}
public void exampleTimeInteval() {
Observable<Long> values = Observable.interval(100, TimeUnit.MILLISECONDS);
values.take(3).timeInterval().subscribe(new PrintSubscriber("TimeInterval"));
// TimeInterval: TimeInterval [intervalInMilliseconds=131, value=0]
// TimeInterval: TimeInterval [intervalInMilliseconds=75, value=1]
// TimeInterval: TimeInterval [intervalInMilliseconds=100, value=2]
// TimeInterval: Completed
}
public void example() {
Observable<String> left =
Observable.interval(100, TimeUnit.MILLISECONDS).map(i -> "L" + i).take(6);
Observable<String> right =
Observable.interval(200, TimeUnit.MILLISECONDS).map(i -> "R" + i).take(3);
left.groupJoin(
right,
i -> Observable.never(),
i -> Observable.timer(0, TimeUnit.MILLISECONDS),
(l, rs) -> rs.toList().subscribe(list -> System.out.println(l + ": " + list)))
.subscribe();
// L0: [R0, R1, R2]
// L1: [R0, R1, R2]
// L2: [R1, R2]
// L3: [R1, R2]
// L4: [R2]
// L5: [R2]
}
public void exampleReplayWithBufferSize() throws InterruptedException {
ConnectableObservable<Long> source =
Observable.interval(1000, TimeUnit.MILLISECONDS).take(5).replay(2);
source.connect();
Thread.sleep(4500);
source.subscribe(System.out::println);
// 2
// 3
// 4
}
public void testUnSubscribeForScheduler(Scheduler scheduler) throws InterruptedException {
final AtomicInteger countReceived = new AtomicInteger();
final AtomicInteger countGenerated = new AtomicInteger();
final SafeObservableSubscription s = new SafeObservableSubscription();
final CountDownLatch latch = new CountDownLatch(1);
s.wrap(
Observable.interval(50, TimeUnit.MILLISECONDS)
.map(
new Func1<Long, Long>() {
@Override
public Long call(Long aLong) {
System.out.println("generated " + aLong);
countGenerated.incrementAndGet();
return aLong;
}
})
.subscribeOn(scheduler)
.observeOn(scheduler)
.subscribe(
new Observer<Long>() {
@Override
public void onCompleted() {
System.out.println("--- completed");
}
@Override
public void onError(Throwable e) {
System.out.println("--- onError");
}
@Override
public void onNext(Long args) {
if (countReceived.incrementAndGet() == 2) {
s.unsubscribe();
latch.countDown();
}
System.out.println("==> Received " + args);
}
}));
latch.await(1000, TimeUnit.MILLISECONDS);
System.out.println("----------- it thinks it is finished ------------------ ");
Thread.sleep(100);
assertEquals(2, countGenerated.get());
}
public static void main(String[] args) throws InterruptedException {
Function<String, Subscriber> logSubFunc =
(prefix) -> {
return Subscribers.create(
e -> logger.printf(Level.INFO, "%s : %s", prefix, e),
e -> logger.error(prefix, e),
() -> logger.info(prefix + " Completed."));
};
Observable.interval(100L, TimeUnit.MILLISECONDS, Schedulers.immediate())
.take(5)
.doOnEach(debug("100 ms"))
.subscribe();
Thread.sleep(1000);
Observable<Integer> simpleRetry =
Observable.create(new ErrorEmitter()).doOnEach(debug("simple retry")).retry(3);
simpleRetry.subscribe(
// logSubFunc.apply("simple retry")
);
//
// Func1<? super Observable<? extends java.lang.Throwable>, Observable> emitError =
// (errorObs) -> {
// return errorObs.flatMap(error -> Observable.error(error));
// };
//
// Observable<Integer> dummyWhen = Observable.create(new ErrorEmitter())
// .retryWhen(errorEvent -> emitError.call(errorEvent))
// .retry((attempts, error) -> {
// logger.printf(Level.ERROR, "%d retry due to %s.", attempts,
// error.getMessage());
// return attempts < 3;
// });
// dummyWhen.subscribe(logSubFunc.apply("emit error retry"));
//
// Func1<? super Observable<? extends java.lang.Throwable>, ? extends Observable<?>>
// delayOneSec = errorObs -> errorObs.flatMap(error ->
// Observable.timer(1L, TimeUnit.SECONDS)
// );
//
// Observable<Integer> oneSecDelayThenRetry = Observable.create(new ErrorEmitter())
// .retryWhen(errorEvent -> delayOneSec.call(errorEvent));
// oneSecDelayThenRetry.subscribe(logSubFunc.apply("one sec delay"));
Thread.sleep(10 * 1000);
}
@OnClick(R.id.test_btn)
public void onClick() {
Toast.makeText(CustomViewActivity.this, "click!", Toast.LENGTH_SHORT).show();
Observable.interval(1000, TimeUnit.MILLISECONDS)
.subscribeOn(AndroidSchedulers.mainThread())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
new Action1<Long>() {
@Override
public void call(Long aLong) {
mTestBtn.setAngleRange(mTestBtn.getAngleRange() + 20);
Log.i("plus", "=======================");
}
});
}
private void startCountDown() {
/* final CountDownLatch latch = new CountDownLatch(5);
latch.countDown();
Observable
.interval(1, TimeUnit.SECONDS)
.take(5)
.toBlocking()
.forEach(new Action1<Long>() {
@Override public void call(Long counter) {
System.out.println("Got: " + counter);
}
});*/
Observable.interval(0, 1, TimeUnit.SECONDS)
.take(10)
.map(
new Func1<Long, Long>() {
@Override
public Long call(Long aLong) {
return 9 - aLong;
}
})
.doOnSubscribe(
new Action0() {
@Override
public void call() {
codeBtn.setEnabled(false);
}
})
.compose(SchedulersCompat.<Long>applyComputationSchedulers())
.compose(RegisterActivity.this.<Long>bindUntilEvent(ActivityEvent.DESTROY))
.subscribe(
new SimpleObserver<Long>() {
@Override
public void onCompleted() {
/*60秒倒计时结束，回复按钮状态*/
codeBtn.setEnabled(true);
codeBtn.setText("点击获取");
}
@Override
public void onNext(Long aLong) {
codeBtn.setText(aLong + "");
}
});
}
@Test
public void testReplayWithBufferSize() {
TestScheduler scheduler = Schedulers.test();
TestSubscriber<Long> tester = new TestSubscriber<>();
ConnectableObservable<Long> source =
Observable.interval(1000, TimeUnit.MILLISECONDS, scheduler).take(5).replay(2, scheduler);
source.connect();
scheduler.advanceTimeBy(4500, TimeUnit.MILLISECONDS);
source.subscribe(tester);
scheduler.triggerActions();
tester.assertReceivedOnNext(Arrays.asList(2L, 3L));
scheduler.advanceTimeBy(500, TimeUnit.MILLISECONDS);
tester.assertReceivedOnNext(Arrays.asList(2L, 3L, 4L));
}
private void onStart() {
Subscription subscription =
Observable.interval(20, TimeUnit.MILLISECONDS)
.subscribeOn(Schedulers.io())
.filter(
new Func1<Long, Boolean>() {
@Override
public Boolean call(Long aLong) {
mFrontMoveLength += FRONT_SPEED;
mBackMoveLength += BACK_SPEED;
for (int i = 0, size = mFrontPointsList.size(); i < size; i++) {
mFrontPointsList.get(i).x += FRONT_SPEED;
mBackPointsList.get(i).x += BACK_SPEED;
}
if (mFrontMoveLength >= mWaveWidth) {
// 波浪右移超过一个完整波浪后复位
mFrontMoveLength = 0;
resetFrontPoints();
}
if (mBackMoveLength >= mWaveWidth) {
// 波浪右移超过一个完整波浪后复位
mBackMoveLength = 0;
resetBackPoints();
}
return true;
}
})
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
new Action1<Long>() {
@Override
public void call(Long aLong) {
invalidate();
}
},
new Action1<Throwable>() {
@Override
public void call(Throwable throwable) {
throwable.toString();
}
});
mCompositeSubscription = new CompositeSubscription();
mCompositeSubscription.add(subscription);
}
@Test
public void testTimestamp() {
TestSubscriber<Timestamped<Long>> tester = new TestSubscriber<>();
TestScheduler scheduler = Schedulers.test();
Observable<Long> values = Observable.interval(100, TimeUnit.MILLISECONDS, scheduler);
values.take(3).timestamp(scheduler).subscribe(tester);
scheduler.advanceTimeBy(1, TimeUnit.SECONDS);
assertEquals(tester.getOnNextEvents().get(0).getTimestampMillis(), 100);
assertEquals(tester.getOnNextEvents().get(1).getTimestampMillis(), 200);
assertEquals(tester.getOnNextEvents().get(2).getTimestampMillis(), 300);
tester.assertTerminalEvent();
tester.assertNoErrors();
}
@Test
public void testMultipleObservers() {
Observer<Object> o1 = mock(Observer.class);
Observer<Object> o2 = mock(Observer.class);
TestScheduler s = new TestScheduler();
Observable<Long> timer = Observable.interval(500, TimeUnit.MILLISECONDS, s).take(2);
Observable<Long> o = Observable.concat(timer, timer);
o.subscribe(o1);
o.subscribe(o2);
InOrder inOrder1 = inOrder(o1);
InOrder inOrder2 = inOrder(o2);
s.advanceTimeBy(500, TimeUnit.MILLISECONDS);
inOrder1.verify(o1, times(1)).onNext(0L);
inOrder2.verify(o2, times(1)).onNext(0L);
s.advanceTimeBy(500, TimeUnit.MILLISECONDS);
inOrder1.verify(o1, times(1)).onNext(1L);
inOrder2.verify(o2, times(1)).onNext(1L);
s.advanceTimeBy(500, TimeUnit.MILLISECONDS);
inOrder1.verify(o1, times(1)).onNext(0L);
inOrder2.verify(o2, times(1)).onNext(0L);
s.advanceTimeBy(500, TimeUnit.MILLISECONDS);
inOrder1.verify(o1, times(1)).onNext(1L);
inOrder2.verify(o2, times(1)).onNext(1L);
inOrder1.verify(o1, times(1)).onCompleted();
inOrder2.verify(o2, times(1)).onCompleted();
verify(o1, never()).onError(any(Throwable.class));
verify(o2, never()).onError(any(Throwable.class));
}
/** 进入APP倒计时 使用RxJava进行异步处理 每秒调用一次enterMain */
public void startTiming() {
// 订阅事件，每秒判断一次是否进入APP，并刷新UI展示
Subscription subscription =
Observable.interval(TIME_SECOND, TimeUnit.SECONDS)
.subscribeOn(Schedulers.computation())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
new Action1<Long>() {
@Override
public void call(Long aLong) {
// aLong代表interval调用次数
enterApp(aLong);
Log.d("test leak", aLong + "");
}
});
// 将 订阅事件 加入 subscription集合(Set)，用于与Activity生命周期绑定，onDestroy时解除事件注册
compositeSubscription.add(subscription);
}
@Test
public void testReplayWithTime() throws InterruptedException {
TestScheduler scheduler = Schedulers.test();
TestSubscriber<Long> tester = new TestSubscriber<>();
ConnectableObservable<Long> source =
Observable.interval(1000, TimeUnit.MILLISECONDS, scheduler)
.take(5)
.replay(2000, TimeUnit.MILLISECONDS, scheduler);
source.connect();
scheduler.advanceTimeBy(4500, TimeUnit.MILLISECONDS);
source.subscribe(tester);
tester.assertReceivedOnNext(Arrays.asList(2L, 3L));
scheduler.advanceTimeBy(500, TimeUnit.MILLISECONDS);
tester.assertReceivedOnNext(Arrays.asList(2L, 3L, 4L));
// 2
// 3
// 4
}
private void autoLoop() {
if (subscribe_auto == null || subscribe_auto.isUnsubscribed()) {
subscribe_auto =
Observable.interval(3000, 3000, TimeUnit.MILLISECONDS)
// 延时3000 ，每间隔3000，时间单位
.compose(this.<Long>bindToLifecycle())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
new Action1<Long>() {
@Override
public void call(Long aLong) {
int currentIndex = mViewPager.getCurrentItem();
if (++currentIndex == loopAdapter.getCount()) {
mViewPager.setCurrentItem(0);
} else {
mViewPager.setCurrentItem(currentIndex, true);
}
}
});
}
}
public void exampleReplay() throws InterruptedException {
ConnectableObservable<Long> cold = Observable.interval(200, TimeUnit.MILLISECONDS).replay();
cold.connect();
System.out.println("Subscribe first");
cold.subscribe(i -> System.out.println("First: " + i));
Thread.sleep(700);
System.out.println("Subscribe second");
cold.subscribe(i -> System.out.println("Second: " + i));
Thread.sleep(500);
// Subscribe first
// First: 0
// First: 1
// First: 2
// Subscribe second
// Second: 0
// Second: 1
// Second: 2
// First: 3
// Second: 3
}
@Test
public void testReplay() throws InterruptedException {
TestScheduler scheduler = Schedulers.test();
TestSubscriber<Long> tester1 = new TestSubscriber<>();
TestSubscriber<Long> tester2 = new TestSubscriber<>();
ConnectableObservable<Long> cold =
Observable.interval(200, TimeUnit.MILLISECONDS, scheduler).replay();
Subscription connection = cold.connect();
cold.subscribe(tester1);
scheduler.advanceTimeBy(700, TimeUnit.MILLISECONDS);
tester1.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L));
tester2.assertReceivedOnNext(Arrays.asList());
cold.subscribe(tester2);
tester1.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L));
tester2.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L));
scheduler.advanceTimeBy(500, TimeUnit.MILLISECONDS);
tester1.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L, 3L, 4L, 5L));
tester2.assertReceivedOnNext(Arrays.asList(0L, 1L, 2L, 3L, 4L, 5L));
connection.unsubscribe();
}
public <T> Observable<T> executedEach(long millis, Observable<T> observable) {
return Observable.interval(0, millis, TimeUnit.MILLISECONDS, executionScheduler)
.doOnNext(i -> logger.debug(this, "Interval: " + i))
.doOnUnsubscribe(() -> logger.debug(this, "Interval stopped"))
.flatMap(i -> observable);
}
