layout.xml

    How to get the text which typing in autcomplete textview using
    databinding and get text in 
    viewmodel?

<androidx.appcompat.widget.AppCompatAutoCompleteTextView
  android:id="@+id/pickup"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:layout_margin="8dp"
  android:background="@null"
  android:hint="@string/from"
  android:maxLength="15"
  android:onTextChanged="@{SpotViewmodel.onPasswordTextChanged}"
  android:padding="5dp"
  android:singleLine="true" />

  this is the viewmodel class i want to send the text which i got from 
  autocomplete textview to api.how to implement two way binding in 
  viewmodel class as most the examples are covered with base observables

SpotViewmodel.kt

  

SpotViewmodel类：ViewModel（）{           var data：MutableLiveData？= null           val first = MutableLiveData（）           var value：String？=“           val apikey：String =“ u9fyiuc8t7”           var autoRepository：ServiceGenerator = ServiceGenerator（）。getInstance（）           有趣的init（）{           if（data！= null）{               返回           }           数据= autoRepository.getStationresponse（值!!，apikey）           }          fun onPasswordTextChanged（s：CharSequence，start：Int，before：          整数，计数：          Int）{

    Log.e("eeeee","" + s.toString())
    value = s.toString()
   }

   fun getNewsRepository(): MutableLiveData<Autocompleteresponse> {

    return data!!
   }