所以我試圖了解如何反應以及如何使用 Room 庫，但我遇到了一些異常，我不知道如何解決：08-11 20:35:44.349 8797-8797/ru.android_school.h_h.eightapp W/System.err: io.reactivex.exceptions.OnErrorNotImplementedException: Cannot access database on the main thread since it may potentially lock the UI for a long period of time. at io.reactivex.internal.functions.Functions$OnErrorMissingConsumer.accept(Functions.java:704) at io.reactivex.internal.functions.Functions$OnErrorMissingConsumer.accept(Functions.java:701) at io.reactivex.internal.subscribers.LambdaSubscriber.onError(LambdaSubscriber.java:79) at io.reactivex.internal.subscribers.LambdaSubscriber.onNext(LambdaSubscriber.java:69)08-11 20:35:44.350 8797-8797/ru.android_school.h_h.eightapp W/System.err: at io.reactivex.internal.operators.flowable.FlowableSubscribeOn$SubscribeOnSubscriber.onNext(FlowableSubscribeOn.java:97) at io.reactivex.internal.operators.flowable.FlowableObserveOn$ObserveOnSubscriber.runAsync(FlowableObserveOn.java:400) at io.reactivex.internal.operators.flowable.FlowableObserveOn$BaseObserveOnSubscriber.run(FlowableObserveOn.java:176) at io.reactivex.android.schedulers.HandlerScheduler$ScheduledRunnable.run(HandlerScheduler.java:109) at android.os.Handler.handleCallback(Handler.java:808) at android.os.Handler.dispatchMessage(Handler.java:101) at android.os.Looper.loop(Looper.java:166) at android.app.ActivityThread.main(ActivityThread.java:7425) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:245) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:921)Caused by: java.lang.IllegalStateException: Cannot access database on the main thread since it may potentially lock the UI for a long period of time.
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