Android Studio – How can I make recyclerview scroll by only one direction and disable others
I just want to allow only scroll left in horizontal recyclerview for example. Please help me on that
Android Studio – I cant solve this error "lateinit property dataBinding has not been initialized"
I have base activity< T : ViewDataBinding , VM : ViewModel > extends AppCompatActivity() and i initialize view binding and view model but when run the app i get this error "lateinit property dataBinding has not been initialized" I don't…
Android Studio – Send header to server
To send the header to the server in Kathleen language with Retrofit library, I use the following form But the header is not sent @POST("testPost.php") fun postNews(@Query("txt") txt:String) : Single<List<News>>
Android Studio – Kotlin MVVM with Firebase not Observing data when added to MutableLiveData Array
I have a bottom Sheet Fragment with MVVM which is observing a Firebase Search which is then added to a MutableLiveData. The .observe(viewLifecycleOwner){it->} is never accessed when data is set from the firebase search even when data is added to…
MVVM Passing data from view to another view's viewModel – Ios swift
I'm new to MVVM and i am trying to pass a location data from my ContenView to DetailsView's viewModel which is DetailsViewViewModel. My Opening View -> ContentView (My data is here) Second View -> DetailsView Data must be reach ->…
Swift 5: I have a problem when I try to instantiate a viewmodel for testing – Ios swift
I'm trying to instantiate my viewmodel for testing, in this case I don't need its parameters, but as it asks me to add them, when I try I get an error "Constant 'data' used before being initialized" This is my…
iOS – MVVM Data Binding – Ios swift
I am working with MVVM design architecture, I have gone through multiple articles about data binding. We can achieve data binding through Protocol, Closure, and Third Party(like RxSwift). So, if I am wrong please correct me otherwise let me know…
MVVM + RXSwift+ Coordinator how to set data? – Ios swift
Good night! Can you tell me how can I write data from controller 2 to controller 1? I have a coordinate at the main screen. final class MenuCoffeLikeCoordinator: TabBarPresentableCoordinator { var tabBarItem: UITabBarItem = { let title = "Меню" let…
Android Studio – How to observe the states of multiple LiveData?
I’m trying to observe the loading state of a page. However, I make 2 API calls on my ViewModel. I want to display a progress bar until both of the items are loaded. I have a sealed class to indicate…
Separation of Concerns in MVVM – Asp.net
I am working on understanding MVVM better, and from trusty Wikipedia (and lots of other research), I have gathered that the ViewModel holds presentation logic and the Model holds the business logic. MVVM Pattern (Image courtersy of Wikipedia) My question…