MVVM with LiveData

ExampleActivity.kt

onCreate() {
  val viewModel = ... //initialize your view model
  
  viewModel.getData()
  viewModel.data.observe(this, Observer {
    //do operations based on the value
  })
}

RepositoryLiveData.kt

private var parentJob = Job()
private val coroutineContext: CoroutineContext
    get() = parentJob + Dispatchers.IO
private val scope = CoroutineScope(coroutineContext)

val data: LiveData<Data> = MutableLiveData()

fun getData() {
  scope.launch {
    //do network calls
    override onSuccess(data: Data) {
      data.value = data
    }
  }
}

ViewModelLiveData.kt

 val data: LiveData<Data> = MutableLiveData()
 
 fun getData() {
   data = repository.getData()
 }