關於 observeforever ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. 使用observe接口添加的Observer，用removeObserver无法 ...

使用observeForever就没问题。 ... 会根据Owner的生命周期自动remove，observeForever接口注册的Observer，才需要用removeObserver手动删除。

#12. 一起幫忙解決難題，拯救IT 人的一天

observeForever (mock(Observer.class)); viewModel.searchRepo("foo"); verify(repository, times(1)).search(input.capture()); assertThat(input.

#13. LiveData under the hood - Android Development with Alex ...

the observeForever method is called from the main thread · the observer is attached to similar lifecycle owners; this means that we cannot use ...

#14. is it good way to call observeForever on Transformations map ...

But Transformations.map callback not triggered without observer. So is it good way to call observeForever {} on…

#15. Android LiveData的Observer未调用（但使用了 ... - 一点教程

该片段仅停止（当您从详细信息返回到列表时恢复）。它不是分离的，不是被破坏的，它的视图仍然存在，等等，所以observeForever-observer可以很好地更新UI（即使不 ...

#16. 不关联生命周期的observeForever 方法。 - 水至清明- 博客园

LiveData.java @MainThread public void observeForever(@NonNull Observer<? super T> observer) {

#17. 從原始碼看Jetpack（3）-LiveData原始碼解析

一個Observer 物件只能和一個Lifecycle 物件繫結，否則將丟擲異常; 同個Observer 物件不能同時使用observe() 和observeForever() 函式，否則將丟擲 ...

#18. Java 类android.arch.lifecycle.Observer 实例源码 - 编程字典

observeForever (observer); latch.await(2, TimeUnit.SECONDS); //noinspection unchecked return (T) data[0]; }. 项目：CleanArchitechture 文件：TeamMvvmFragment.

#19. ObservableMap does not override observeForever #2

observeForever needs the same treatment as this: override fun observe(owner: LifecycleOwner, observer: Observer<in ObservableMap<X, Y, ...

#20. осознает ли observeForever жизненный цикл? - CodeRoad

осознает ли observeForever жизненный цикл? Нет, именно поэтому он называется observe навсегда . Я реализовал observeForever() из ViewModel, но не думаю, ...

#21. В чем разница между LiveData.observe() и LiveData ...

observeForever () принимает один параметр: observer . Этот метод реализует классическую схему шаблона Observer-Observable. Ивенты доставляются подписчику всегда, ...

#22. 为什么必须删除作为observeForever添加到LiveData的观察者？

我在Android LiveData documentation上读到：您可以使用observeforever（observer）方法注册一个没有关联的lifecycleowner对象的观察者。

#23. android - 是observeForever 生命周期意识吗？ - 秀儿今日热榜

我已经从ViewModel 实现了 observeForever() ，但我认为这不是一个好主意，因为我认为我应该通过回调或转换从我的存储库到我的ViewModel 进行通信。

#24. Learn how to use LiveData - Jensklingenberg.de

You can also use observeForever() to observe LiveData without a LifeCycleOwner, but as the name indicates it will not be removed ...

#25. LiveData详解 - 简书

observeForever 观察数据变化. @MainThread public void observeForever(@NonNull Observer<? super T> ... observeForever不与生命周期绑定。

#26. Using Transformations.map instead of observeForever - Ask ...

At some point, I had to replace subscribe() functions with observeForever() + Globalscope(Dispatchers.Main) in some repositories but ...

#27. 为什么必须将作为observeForever添加到LiveData的Observers ...

You can register an observer without an associated LifecycleOwner object using the observeForever(Observer) method. In this case, the observer is considered ...

#28. Jetpack之LiveData - 作业部落Cmd Markdown 编辑阅读器

observe()，可以对LiveData进行监听，需要传递一个LifecycleOwner参数进去，这表示LiveData会跟生命周期联系起来。 observeForever()，只需传递一个观察者 ...

#29. Android Jetpack 之LiveData - 1 - 掘金

observeForever (observerForever) livedata.observe(this, observer) } override fun onResume() { super.onResume() livedata.value = "onResume" } ...

#30. is observeForever lifecycle aware? - OStack|知识分享社区

is observeForever lifecycle aware? No, that's why it's called observe Forever. I have implemented observeForever() from the ViewModel, ...

#31. Testing in Android. Testing LiveData - DEV Community

observeForever /observer. The Android documentation states, Room persistence library supports observable queries, which return LiveData ...

#32. LiveData还不熟悉？看完原理立马释怀 - CSDN博客

同个Observer对象不能同时使用observe()和observeForever()函数，否则将抛出异常; LiveData存在丢值的可能性。当单线程连续传值或者多线程同时postValue时 ...

#33. 不关联生命周期的observeForever 方法。 - 51CTO博客

assertMainThread("observeForever"); AlwaysActiveObserver wrapper = new AlwaysActiveObserver(observer); ObserverWrapper existing = mObservers ...

#34. Question Cannot invoke observeForever on a background ...

I've been using an observeForever() method as described here to test Room and LiveData for a while, and it has worked flawlessly.

#35. Android LiveData活动 ‍⚕️ - Geekly articles weekly

这个想法是在MutableLiveEvent类内部，使用obtains和observeForever方法，将浏览器包装在一个特殊的内部类PendingObserver中，该类仅在挂起标志设置为true且尚未处理 ...

#36. Android Architecture Components: LiveData

observeForever (Observer<T>) : This method doesn't use a LifecycleOwner , so the LiveData won't be able to respond to Lifecycle events.

#37. Android Architecture Components: Testing your ViewModel ...

observeForever (observer). If our livedata doesn't have an observer, then onChanged events will not be emitted — this observer instance ...

#38. LiveDataBus的封装

对非生命周期感知的observeForever方法，生成的wrapper不是LifecycleBoundObserver而是AlwaysActiveObserver，没有办法在observeForever调用完后再 ...

#39. Cannot invoke observeForever on a background thread

I've been using an observeForever() method as described here to test Room and LiveData for a while, and it has worked flawlessly.

#40. Impossible d'appeler observeForever sur un thread d'arrière ...

J'utilise une méthode observeForever() comme décrit ici pour tester Room et LiveData depuis un certain temps, et cela a fonctionné ...

#41. Cannot invoke observeForever on a background thread

Normally observe(..) and observeForever(..) should be called from the main thread because their callbacks ( Observer<T>.onChanged(T t) ) often change the UI ...

#42. java.lang.IllegalStateException: не может вызвать ...

Изменить это: networkData.observeForever { newData-> appExecutors.diskIO().execute { ... Вопрос по теме: android, kotlin, android-architecture-components, ...

#43. Cannot invoke observeForever on a background thread - Help ...

Ao realizar um teste utilizando coroutine me deparei com esse problema ao tentar observar um LiveData Cannot invoke observeForever on a ...

#44. Não é possível invocar observeForever em um encadeamento ...

IllegalStateException: Não é possível invocar observeForever em um encadeamento em segundo plano. Alguém pode me ajudar a descobrir onde estou errado aqui.

#45. No se puede invocar observeForever en un hilo de fondo

He estado usando un método observeForever() como se describe aquí para probar Room y LiveData durante un tiempo, y ha funcionado ...

#46. Saber - 帮助你快速使用Android的LiveData与ViewModel

支持 observe 、 observeForever 两种观察模式。（默认为 observe ）. 支持 SingleLiveEvent 、 MediatorLiveData 、 MutableLiveData 。（默认为 MutableLiveData ）.

#47. LiveData 单元测试 - IM Geek开发者社区

实现原理是，Transformations#map 方法将LiveData 转化为MediatorLiveData，最终通过LiveData#observeForever 向原始的LiveData 添加 ...

#48. LiveDataBus 的實現比你想象中的簡單 - ITW01

文章摘要： 只要資料更新就會收到通知可以使用observeForever只要資料更新就會收到通知LiveDataBus.with(tag).observeForever(this.

#49. 可通过每次返回一个新LiveData的存储库函数从UI刷新？

您的视图模型应使用 observeForever() 观察obj2。 然后视图模型也确实创建了两个与repo相同的obj，分别是obj3和obj4 resp。在您的活动中观察obj4。

#50. Don't use LiveData in Repositories - ProAndroidDev

Even when using LiveData#observeForever which isn't bound to a lifecycle, the observer is called on the main thread, so that every time you ...

#51. Jose Alcérreca on Twitter: "LiveDataTestUtil ...

observeForTesting {} can be used to safely use observeForever from a test (avoiding observer leaks) if you need that LD to receive multiple ...

#52. LiveDataTest.java - android Git repositories

observeForever (new Observer<String>() {. @Override. public void onChanged(@Nullable String s) {. mLiveData.removeObserver(this);. }.

#53. ViewModel with Mockito · up1/workshop-tdd-android-kotlin Wiki

observeForever (loadingObserver) viewModel.getScore(). ... observeForever(gameOverObserver) } @Test fun init_shouldBuildGame() { viewModel.

#54. LiveData在第一次回调后删除Observer - Thinbug

observeForever (observer); model.getDownloadByContentId(contentId).observe((AppCompatActivity)context, downloadItem-> { if(downloadItem!= null) { this.

#55. Keeping .observe() out of the ViewModel - Bakken & Bæck Tech

There is a method called observeForever - it will allow you to observe without passing a LifecycleOwner but it means the LiveData is no ...

#56. A Pitfall in LiveData and Android Architecture Components

observeForever (object : Observer<SomeData?> { override fun onChanged(someData: SomeData?) { // do something with someData myLiveData.

#57. 为什么必须将作为observeForever添加到LiveData的Observers ...

我已经阅读了Android LiveData文档，该文档包括： 您可以使用observeForever Observer 方法在没有关联LifecycleOwner对象的情况下注册观察者。

#58. It is ok to call observeForever() on Livedata returned by ...

It is ok to call observeForever() on Livedata returned by Transformations.map() inside ViewModel?, android, android-architecture-components, ...

#59. [LiveData] LiveData를 Background에서도 동작하게 해야 할때

문제는 observeForever()를 이용하게 되면 DESTROYED상태일때 자동으로 observe가 해제되는 유용한 기능을 활용을 하지 못하게 됩니다.

#60. Removing Observers in Android LiveData and ViewModel

Sharing resources. You can register an observer without an associated LifecycleOwner object using the observeForever(Observer) method.

#61. Android application development with Kotlin - Google 圖書結果

observeForever (responseObserver) progress.observeForever(loaderObserver) } verifyOrder { loaderObserver.onChanged(true) loaderObserver.

#62. Android LiveData 使用詳解- IT閱讀

observe; onActive; onInactive; observeForever. void observe (LifecycleOwner owner, Observer<T> observer)

#63. 在存储库类别中遵守突发的良好做法是什么？ DB +网络分页列表

Is it a good practice to observeForever in Repository class? db+network paged list. 4. vote. 问题. 中文. 我 ...

#64. Kotlin and Android Development featuring Jetpack - Google 圖書結果

observeForever (observer) if(!latch.await(time, ...

#65. Pro Android with Kotlin: Developing Modern Mobile Apps

observeForever { l -> l?.forEach { empl -> Log.e("LOG", empl.toString()) // do s.th. else with the employee } } This is particularly useful if inside the ...

#66. Kotlin: How to Observe Once a liveData in a viewModel ...

I've used as recommended a observeForever but I don't know how to use removeObserver in this case... Thank you very much. Alex Krafts : If you ...

#67. NIT测试新的Kotlin Coroutine StateFlow - 安卓问答

observeForever (walletsObserver) viewModel.getUserWallets() captor.run { Mockito.verify(walletsObserver, Mockito.times(3)).

#68. 无法在后台线程上调用observeForever | 经验摘录

我一直在使用这里 observeForever() 描述的方法来测试Room和LiveData一段时间,并且它运行得很完美.但当我改为Android Studio 3.2(或者如果它是重构, ...

#69. Observer for Android LiveData not called (but it is with ...

However, when using observeForever() instead of observe(LifecycleOwner) the observer is called even when changes are made from the other activity (which is ...