Teste

gistfile1.txt

public LiveData<MyObject> getMyObject(){
 
 if(mylivedata == null){
     mylivedata = new MutableLiveData<MyObject>;
    doHttpRequest();
  }

return mylivedata;
}

public void doHttpRequest(){

  // rx http request code
  
  onNext(MyObject myobject){
    mylivedata.setValue(myobject)
  }

}