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[爆卦]MediatorLiveData是什麼？優點缺點精華區懶人包
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#1MediatorLiveData | Android Developers
The android.arch Architecture Components packages are no longer maintained. They have been superseded by the corresponding androidx.* packages.
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#2Day 15 LiveData 介紹與使用 - iT 邦幫忙
MediatorLiveData 是LiveData 的子類，可以通過MediatorLiveData 合併多個LiveData 數據。其中任意一個LiveData 數據發生變化，MediatorLiveData 都會通知觀察他的對象 ...
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#3MediatorLiveData的使用_移动端开发干货分享
class MainViewModel : ViewModel() { val message: MutableLiveData<String> = MutableLiveData() val count: MediatorLiveData<Int> ...
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#4MediatorLiveData - 简书
同时也可以做为一个liveData，被其他Observer观察。 一、基本用法. ViewModel中定义MediatorLiveData. val mediator = MediatorLiveData< ...
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#5基于MediatorLiveData实现红点的统一管理 - 掘金
官方提供了MediatorLiveData。 通过addSource方法，可以监听另一个LiveData的数据变化; 本身就是一个LiveData，可以被其他Observer观察. 这两个 ...
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#6Java MediatorLiveData類代碼示例- 純淨天空
本文整理匯總了Java中android.arch.lifecycle.MediatorLiveData類的典型用法代碼示例。如果您正苦於以下問題：Java MediatorLiveData類的具體用法？
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#7MVVM中的MediatorLiveData和MutableLiveData有 ... - QA Stack
[Solution found!] 首先，我们需要了解MutableLivedata和MediatorLivedata之间的关系是什么，以了解它们之间的区别。 java.lang.Object ↳ android.arch.lifecycle.
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#8How to Use MediatorLiveData With Multiple LiveData Types
While the MediatorLiveData is a subclass of LiveData, it acts as LiveData itself. It allows us to merge multiple LiveData sources into one ...
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#9MVVM - MediatorLiveData onChanged not being called
MediatorLiveData only observes its sources while it's active (has an active observer) so yes, you should observe it in your Fragment. When there ...
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#10MediatorLiveData | Android Developers
Then, liveData1 and liveData2 will become sources for the MediatorLiveData liveDataMerger and every time onChanged callback is called for ...
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#11Jetpack架构组件— LiveData与ViewModel入坑详解 - 知乎专栏
MediatorLiveData. 当我们页面需要多个不同的数据源的时候，如果我们都是单独的使用LiveData，会导致Activity中定义很多 ...
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#12android - 仅通过当前数据使用MediatorLiveData的最佳实践
我在viewmodel中有一个mediatorlivedata，它是从数据视图中访问的，最后应该显示出来。 mediatorlivedata依赖于多个其他livedata。其中有些来自存储库层，有些必须在 ...
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#13MediatorLiveData（AAC） - 台部落
同時也可以做爲一個liveData，被其他Observer觀察。 一、基本用法. ViewModel中定義MediatorLiveData. java public class TanViewModel extends ...
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#14android.arch.lifecycle.MediatorLiveData.<init> java code ...
NonNull final Confirmer confirmer) { final MediatorLiveData result=new MediatorLiveData<>();
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#15[Solved] Android MediatorLiveData observer - Code Redirect
I'm a bit confused on why the following code doesn't work:MutableLiveData<String> mutableTest = new MutableLiveData<>();MediatorLiveData<String> ...
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#16MediatorLiveData to the Rescue. Exploring LiveData features
The way to go here is called MediatorLiveData : LiveData subclass which may observe other LiveData objects and react on OnChanged events from ...
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#17Android MediatorLiveData observer | Newbedev
This answer is largely reproduction of what @CommonsWare has already shared in the comment section above. In order for the callback on MediatorLiveData's ...
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#18android.arch.lifecycle.MediatorLiveData - ProgramCreek.com
This page shows Java code examples of android.arch.lifecycle.MediatorLiveData.
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#19LiveData to the next level with MediatorLiveData ... - OOZOU
An introduction to MediatorLiveData and Transformations to build reactive patterns with LiveData.
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#20What is difference between MediatorLiveData and ... - py4u
LiveData liveData1 = ...; LiveData liveData2 = ...; MediatorLiveData liveDataMerger = new MediatorLiveData<>(); liveDataMerger.addSource(liveData1, value -> ...
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#21【Android Jetpack】活用MediatorLiveData_fundroid的技术博客
【Android Jetpack】活用MediatorLiveData，经过测试发现count和message的更新会出现不同步现象。因为postValue是一个异步操作，我们通过postValue ...
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#22【ANDROID】僅通過當前資料使用MediatorLiveData的最佳實踐
我在viewmodel中有一個mediatorlivedata，它是從資料檢視中訪問的，最後應該 ... //Some other LiveDatas MediatorLiveData liveDataForView public ...
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#23MediatorLiveData.java - android Git repositories
the {@code MediatorLiveData liveDataMerger} and every time {@code onChanged} callback. * is called for either of them, we set a new value in {@code ...
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#24LiveData MutableLivaData MediatorLiveData Java - YouTube
A simple example on how to use LiveData, MutableLiveData and MediatorLiveData.
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#25Android Jetpack 架构组件(六) LiveData的 ... - 程序员宝宝
从getNameFromServer()取的值是"alan", 而MediatorLiveData做了转化后成了alan gong. public class MyViewModel extends ViewModel { private MutableLiveData<String> ...
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#26MediatorLiveData for retrofit response - gists · GitHub
MediatorLiveData ;. import android.arch.lifecycle.MutableLiveData;. import android.arch.lifecycle.Observer;. import com.abhinav.basemvvmsample.data.model.
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#27Class androidx.lifecycle.MediatorLiveData
onChanged callback will be called only when this MediatorLiveData is active. If the given LiveData is already added as a source but with a different Observer, ...
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#28哪种是组合多个LiveData的更好方法？ - baby i tell you
推荐使用哪种方法来组合多个LiveData:使用 MediatorLiveData 还是 switchMap ？ // MediatorLiveData approach fun <A, B, C> combine( liveData1: LiveData<A>, ...
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#29mediatorlivedata · GitHub Topics
Android Architecture Design Patterns using Kotlin, MVVM, Dagger2, LiveData, Room, MediatorLiveData, NetworkBoundResources, Retrofit, AndroidX, ViewModels, ...
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#30java - MVVM MediatorLiveData观察器已多次更改 - 秀儿
如果再次单击，它会发送请求(在此处显示点心栏响应消息)和ViewModel MediatorLiveData观察者onChanged方法(称为muliple times)。这是MediatorLiveData的默认行为吗？
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#31MediatorLiveData（AAC） - 代码先锋网
ViewModel中定义MediatorLiveData. java. public class TanViewModel extends ViewModel {. private MutableLiveData<String> mNameEvent = new MutableLiveData<>();.
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#32В чем разница между MediatorLiveData и MutableLiveData в ...
MediatorLiveData -это подкласс MutableLiveData , который может наблюдать за другими объектами LiveData и реагировать на события OnChanged от них. Например, если ...
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#33MVVM - MediatorLiveData onChanged not being called
I am now trying to add a MediatorLiveData to format the Data that the ViewModel receives from the Repository class. So I first added a new new ...
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#34Use MediatorLiveData To Query And Merge Multiple Data ...
Then I create a MediatorLiveData to fetch both data type. fun fetchData(): MediatorLiveData<MergedData> { val liveDataMerger = MediatorLiveData< ...
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#35【Android Jetpack】活用MediatorLiveData
class MainViewModel : ViewModel() { val message: MutableLiveData<String> = MutableLiveData() val count: MediatorLiveData<Int> ...
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#36Source Code for MediatorLiveData.java - AndroidX Tech
MediatorLiveData.java. Package: androidx.lifecycle; Artifact: androidx.lifecycle:lifecycle-livedata:2.2.0 · Raw Source. /* * Copyright (C) 2017 The Android ...
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#37Android Jetpack 架构组件(六) LiveData的 ... - 程序员资料
MediatorLiveData 在LiveData的基础上，实现了合并多个LiveData的作用。可以监听一个或多个LiveData的变化。同时转化数据。MediatorLiveData也是LiveData, 也可以被监听 ...
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#38MediatorLiveData不应被称为 - 安卓问答
在我的应用程序中，我试图使用MediatorliveData收听对LiveData的更改。由于DB操作涉及，我使用这样的executor服务。
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#39MVVM中的MediatorLiveData和MutableLiveData有什么区别
首先，我们需要了解MutableLivedata 和MediatorLivedata 之间的关系，以了解它们之间的区别。 Java.lang.Object ↳ Android.Arch.lifecycle.
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#40“终于懂了“系列：Jetpack AAC完整解析（二）LiveData 完全 ...
2.3.3 观察多个数据- MediatorLiveData. MediatorLiveData 是LiveData 的子类，允许合并多个LiveData 源。只要任何原始的LiveData 源对象发生更改，就 ...
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#41【譯】LiveData 使用詳解- IT閱讀
setValue(func.apply(x)); } }); return result; } 複製程式碼. 這裡用到了LiveData 的另一個子類 MediatorLiveData 。接下來看一看這是個什麼東西。
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#42android-MediatorLiveData和MVVM中的MutableLiveData有 ...
现在很清楚，MediatorLiveData是MutableLiveData的子类，因此MediatorLiveData可以访问MutableLiveData的每个属性以及LiveData。
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#43LiveData Tutorial for Android: Deep Dive | raywenderlich.com
Transformations & MediatorLiveData; Extending LiveData; State management by LiveData. Note: This tutorial assumes you're familiar with the ...
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#44Using Android Architecture Components with Firebase ...
MediatorLiveData is built on top of a map transform, ... Set up the MediatorLiveData to convert DataSnapshot objects into HotStock objects ...
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#45MediatorLiveData（AAC） | 码农家园
MediatorLiveData 中介者LiveData,. 它可以监听另一个LiveData的数据变化，; 同时也可以做为一个liveData，被其他Observer观察。
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#46MediatorLiveData（AAC） - 爱代码
原文：https://www.jianshu.com/p/2f5bc6e9c54e MediatorLiveData 中介者LiveData, 它可以监听另一个LiveData的数据变化，同时也可以做为一个liveData，被其他Observer ...
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#47[MediatorLiveData] removeSource before addSource does not ...
[MediatorLiveData] removeSource before addSource does not remove previous source #335. Hello, I think that there is bug in ...
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#48MediatorLiveDataを使ってModel層とViewModelを連携させる
環境 Kotlin 1.3.0-rc-57 kotlinx.coroutines 0.26.1-eap13 Architecture Components 1.1.1 なぜMediatorLiveDataを使うのか Me …
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#49MVVM中的MediatorLiveData和MutableLiveData有什么区别
首先，我们需要知道MutableLivedata和MediatorLivedata之间的关系，以了解它们之间的区别。 java.lang.Object ↳ android.arch.lifecycle.
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#50MediatorLiveData で DataBinding を少し楽にする - Qiita
MediatorLiveData で DataBinding を少し楽にする. Android. LiveDataを～Bindingに直接Bindできるようになり、色々と開発が捗るようになりました。
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#51Florina Muntenescu on Twitter: "#LiveDataProTip: use ...
#LiveDataProTip: use MediatorLiveData to observe LiveDatas and react on onChanged events from them ...
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#52MediatorLiveData doesn't work in JUnit tests? - Reddit
So I've tried using MediatorLiveData for the rather simple use-case of converting an ISO country code (e.g. "US") to a country calling code ...
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#53Recently Active 'mediatorlivedata' Questions - StackGuides
I've just started implementing the MVVM architecture I have a repository like so: object ConfigsSSOT { val liveData: MutableLiveData<DataWrapper<ConfigsResponse> ...
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#54android — Quelle est la différence entre MediatorLiveData et ...
MediatorLiveData est une sous-classe de MutableLiveData capable d'observer d'autres objets LiveData et de réagir aux événements OnChanged qu'ils contiennent.
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#55Nov - Byte 6 – MediatorLiveData
Today I discovered MediatorLiveData, where I've used it is for validating data, but the use-cases are many! This is the code block:.
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#56Merging Data Or "Setting" Data, Mediatorlivedata - ADocLib
HelloI really enjoy MediatorLiveData and ability to add multiple sources and this page will help. https://github.com/ReactiveX/RxJava/wiki/ ...
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#57Jetpack 架构组件LiveData ViewModel MD - 白乾涛- 博客园
MediatorLiveData - 可汇总多个数据源; SingleLiveEvent - 事件总线. LiveData 只存储最新的数据，虽然用法类似RxJava2 的Flowable，但是它不支持背压（ ...
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#58MediatorLiveData - GitHub Pages
open class MediatorLiveData<T>(initialValue: T) : MutableLiveData<T>. Content copied to clipboard. Functions Properties Extensions ...
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#59Android MediatorLiveData observer - OStack|知识分享社区
In order for the callback on MediatorLiveData's addSource method to be triggered, the MediatorLiveData object needs to be observed itself as ...
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#60MediatorLiveData vs LiveData - 小空笔记
使用LiveData时，我无法获得MediatorLiveData的想法。在文档中提到MediatorLiveData是LiveData的子类，它将观察LiveData并在...上做出反应...
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#61How to Use MediatorLiveData With Multiple LiveData Types
The LiveData component is part of Android Jetpack and is nowadays widely used for implementing the Observer pattern while automatically considering the ...
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#62Use of MediatorLiveData - Programmer Sought
class MainViewModel : ViewModel() { val message: MutableLiveData<String> = MutableLiveData() val count: MediatorLiveData<Int> = MediatorLiveData() init ...
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#63Java源码示例：android.arch.lifecycle.MediatorLiveData
MediatorLiveData. 示例1. private void initialize(final Context context){ executor = Executors.newSingleThreadExecutor(); busyStatus = new ...
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#64LiveData的分析與簡單使用 - 程式前沿
聲明 val mediatorLiveData:MediatorLiveData<String> = MediatorLiveData() //其他合適的地方添加source mediatorLiveData.
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#65Migrating a MediatorLiveData to SharedFlow - Quabr
I have a MediatorLiveData that uses three LiveData sources. When any of them emits a new value and I have at least one of each, ...
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#66androidx.lifecycle.MediatorLiveData Maven / Gradle / Ivy
androidx.lifecycle.MediatorLiveData maven / gradle build tool code. The class is part of the package ➦ Group: com.abubusoft ➦ Artifact: ...
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#67Effectively Use ViewModel with LiveData & Transformations
switchMap Flow. Create MediatorLiveData(result) and returns it; addSource() the first argument LiveData(trigger) to result ...
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#68Use MediatorLiveData in Android - ITZone
I temporarily translate: MediatorLiveData: is the Subclass of Live data, it can listen to onChanged events of other liveData. And so, with ...
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#69Урок 3. LiveData. Дополнительные возможности - Start ...
MediatorLiveData дает возможность собирать данные из нескольких LiveData в один. Это удобно если у вас есть несколько источников из которых вы ...
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#70Android 架構組件- 讓天下沒有難做的App (二)
MediatorLiveData - 可匯總多個數據源; SingleLiveEvent - 事件總線. LiveData 只存儲最新的數據，雖然用法類似RxJava2 的Flowable，但是它不支持背壓（ ...
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#71LiveData：Transformations switchMap - 歐文的BLOG - 痞客邦
直接回傳LiveData方法不行，那使用 MediatorLiveData 就好了吧，我只要改變source就行了吧. fun search(key: String): MutableLiveData<List<String>> ...
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#72Kotlin: Using MediatorLiveData to Use Data from Two Tables ...
This article assumes familiarity with Android concepts for RecyclerView, Room, ViewModel, and LiveData. Create a “combination” MediatorLiveData ...
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#73Transformations와 MediatorLiveData를 이용한 Reactive 패턴
이 글은 안드로이드 공식 Medium 블로그에 있는 글인 LiveData beyond the ViewModel — Reactive patterns using Transformations and ...
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#74Best practice for using MediatorLiveData only by present data
问题: What is the best practice for using the MediatorLiveData with multiple sources? I have a MediatorLiveData in the ViewModel, ...
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#75MVVM中的MediatorLiveData和MutableLiveData有什么区别
标签： android android-livedata android-architecture. 我搜索了很多，但没有找到问题的清晰答案：. MediatorLiveData和MutableLiveData有什么区别？
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#76MVVM中的MediatorLiveData和MutableLiveData有什么区别
我进行了很多搜索，但找不到以下问题的明确答案： MediatorLiveData和MutableLiveData有什么区别？ 什么条件适合使用它们中的任何一个？
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#77Kotlin and Android Development featuring Jetpack - Google 圖書結果
MediatorLiveData values are objects that observe LiveData objects (including other MediatorLiveData objects) and handle OnChanged events.
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#78標簽[mediatorlivedata] - 堆棧內存溢出
基本上，我取出由產品列表此使用改造成MediatorLiveData內ProductsRepository類的API。 但是，問題是，當我嘗試觀察LiveData時，我得到了null。
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#79WordPress for Android | AndroidRepo
This PR changes the way PostCardsSource gets/refreshes data through the use of MediatorLiveData. This PR is part of a series of PRs being ...
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#80具有多个参数的MediatorLiveData或switchMap转换 - Delavaio
class CustomLiveData extends MediatorLiveData > { public CustomLiveData(LiveData code, LiveData nbDays) { addSource(code, new Observer () { public void ...
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#81MediatorLiveData onChanged not getting called - android
In my app I am trying to use MediatorLiveData to listen to the changes to a livedata. Since DB operations are involved I use an executor service like this.
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