Which one to use in Room: LiveData or RxJava?









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I am using Room for my Database management and I was confused in what to use while working with real-time data. For now, to manage real-time data I am using Flowable and am I pretty satisfied with it. What I was confused is I can use LiveData as well to do the same operation.



To give some context, here is how I am querying data and updating my view.



Flowable



addDisposable(userDao().getUsersFlowable()
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(users -> userAdapter.setUsers(users)));


LiveData



userDao().getUsersLiveData()
.observe(this, users ->
userAdapter.setUsers(users)
)


I am not much familiar with LiveData, but as far as my research goes it is an observer pattern that is also lifecycle aware, meaning that I will stop notifying if UI is not in active state. That said, as you can see in my Flowable code, I am adding it to CompositeDisposable and I will dispose in my onDestroy() method.
So I don't see point of why I should use LiveData when I can manage everything with RxJava, which has a lot of operators for convenience.



So when should I use LiveData and when RxJava while working with Room. Answers reflecting given scenario is much appreciated, but other use cases are also welcomed.



I followed When to use RxJava in Android and when to use LiveData from Android Architectural Components?, but it's too broad and I couldn't get answer specifically in my case










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    up vote
    3
    down vote

    favorite












    I am using Room for my Database management and I was confused in what to use while working with real-time data. For now, to manage real-time data I am using Flowable and am I pretty satisfied with it. What I was confused is I can use LiveData as well to do the same operation.



    To give some context, here is how I am querying data and updating my view.



    Flowable



    addDisposable(userDao().getUsersFlowable()
    .subscribeOn(Schedulers.io())
    .observeOn(AndroidSchedulers.mainThread())
    .subscribe(users -> userAdapter.setUsers(users)));


    LiveData



    userDao().getUsersLiveData()
    .observe(this, users ->
    userAdapter.setUsers(users)
    )


    I am not much familiar with LiveData, but as far as my research goes it is an observer pattern that is also lifecycle aware, meaning that I will stop notifying if UI is not in active state. That said, as you can see in my Flowable code, I am adding it to CompositeDisposable and I will dispose in my onDestroy() method.
    So I don't see point of why I should use LiveData when I can manage everything with RxJava, which has a lot of operators for convenience.



    So when should I use LiveData and when RxJava while working with Room. Answers reflecting given scenario is much appreciated, but other use cases are also welcomed.



    I followed When to use RxJava in Android and when to use LiveData from Android Architectural Components?, but it's too broad and I couldn't get answer specifically in my case










    share|improve this question

























      up vote
      3
      down vote

      favorite









      up vote
      3
      down vote

      favorite











      I am using Room for my Database management and I was confused in what to use while working with real-time data. For now, to manage real-time data I am using Flowable and am I pretty satisfied with it. What I was confused is I can use LiveData as well to do the same operation.



      To give some context, here is how I am querying data and updating my view.



      Flowable



      addDisposable(userDao().getUsersFlowable()
      .subscribeOn(Schedulers.io())
      .observeOn(AndroidSchedulers.mainThread())
      .subscribe(users -> userAdapter.setUsers(users)));


      LiveData



      userDao().getUsersLiveData()
      .observe(this, users ->
      userAdapter.setUsers(users)
      )


      I am not much familiar with LiveData, but as far as my research goes it is an observer pattern that is also lifecycle aware, meaning that I will stop notifying if UI is not in active state. That said, as you can see in my Flowable code, I am adding it to CompositeDisposable and I will dispose in my onDestroy() method.
      So I don't see point of why I should use LiveData when I can manage everything with RxJava, which has a lot of operators for convenience.



      So when should I use LiveData and when RxJava while working with Room. Answers reflecting given scenario is much appreciated, but other use cases are also welcomed.



      I followed When to use RxJava in Android and when to use LiveData from Android Architectural Components?, but it's too broad and I couldn't get answer specifically in my case










      share|improve this question















      I am using Room for my Database management and I was confused in what to use while working with real-time data. For now, to manage real-time data I am using Flowable and am I pretty satisfied with it. What I was confused is I can use LiveData as well to do the same operation.



      To give some context, here is how I am querying data and updating my view.



      Flowable



      addDisposable(userDao().getUsersFlowable()
      .subscribeOn(Schedulers.io())
      .observeOn(AndroidSchedulers.mainThread())
      .subscribe(users -> userAdapter.setUsers(users)));


      LiveData



      userDao().getUsersLiveData()
      .observe(this, users ->
      userAdapter.setUsers(users)
      )


      I am not much familiar with LiveData, but as far as my research goes it is an observer pattern that is also lifecycle aware, meaning that I will stop notifying if UI is not in active state. That said, as you can see in my Flowable code, I am adding it to CompositeDisposable and I will dispose in my onDestroy() method.
      So I don't see point of why I should use LiveData when I can manage everything with RxJava, which has a lot of operators for convenience.



      So when should I use LiveData and when RxJava while working with Room. Answers reflecting given scenario is much appreciated, but other use cases are also welcomed.



      I followed When to use RxJava in Android and when to use LiveData from Android Architectural Components?, but it's too broad and I couldn't get answer specifically in my case







      rx-java rx-java2 android-room observer-pattern android-livedata






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      edited Nov 13 at 6:05

























      asked Nov 12 at 2:49









      musooff

      17612




      17612






















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          Normally working with views it's often good to use LiveData. It automatically manages subscription, works really well with DataBinding library. it's sort of a data holder that is lifecycle aware as oppose to stream of data (Rx Concept).



          In other cases I would suggest using RxJava which has powerful operator chains for transformation and concurrency. Hope it sheds some lights on your understanding.






          share|improve this answer




















          • I guess that answers my question. Thanks
            – musooff
            Nov 13 at 7:24










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          1 Answer
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          active

          oldest

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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes








          up vote
          1
          down vote



          accepted










          Normally working with views it's often good to use LiveData. It automatically manages subscription, works really well with DataBinding library. it's sort of a data holder that is lifecycle aware as oppose to stream of data (Rx Concept).



          In other cases I would suggest using RxJava which has powerful operator chains for transformation and concurrency. Hope it sheds some lights on your understanding.






          share|improve this answer




















          • I guess that answers my question. Thanks
            – musooff
            Nov 13 at 7:24














          up vote
          1
          down vote



          accepted










          Normally working with views it's often good to use LiveData. It automatically manages subscription, works really well with DataBinding library. it's sort of a data holder that is lifecycle aware as oppose to stream of data (Rx Concept).



          In other cases I would suggest using RxJava which has powerful operator chains for transformation and concurrency. Hope it sheds some lights on your understanding.






          share|improve this answer




















          • I guess that answers my question. Thanks
            – musooff
            Nov 13 at 7:24












          up vote
          1
          down vote



          accepted







          up vote
          1
          down vote



          accepted






          Normally working with views it's often good to use LiveData. It automatically manages subscription, works really well with DataBinding library. it's sort of a data holder that is lifecycle aware as oppose to stream of data (Rx Concept).



          In other cases I would suggest using RxJava which has powerful operator chains for transformation and concurrency. Hope it sheds some lights on your understanding.






          share|improve this answer












          Normally working with views it's often good to use LiveData. It automatically manages subscription, works really well with DataBinding library. it's sort of a data holder that is lifecycle aware as oppose to stream of data (Rx Concept).



          In other cases I would suggest using RxJava which has powerful operator chains for transformation and concurrency. Hope it sheds some lights on your understanding.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 13 at 6:19









          Samuel Robert

          3,23552034




          3,23552034











          • I guess that answers my question. Thanks
            – musooff
            Nov 13 at 7:24
















          • I guess that answers my question. Thanks
            – musooff
            Nov 13 at 7:24















          I guess that answers my question. Thanks
          – musooff
          Nov 13 at 7:24




          I guess that answers my question. Thanks
          – musooff
          Nov 13 at 7:24

















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