CharactersFragment.kt

package br.com.samuelnunes.rickandmortyapp.ui.characters

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.fragment.app.activityViewModels
import androidx.fragment.app.viewModels
import androidx.paging.ExperimentalPagingApi
import br.com.samuelnunes.rickandmortyapp.databinding.CharactersFragmentBinding
import br.com.samuelnunes.rickandmortyapp.ui.MainViewModel
import dagger.hilt.android.AndroidEntryPoint

@AndroidEntryPoint
@ExperimentalPagingApi
class CharactersFragment : Fragment() {
    private val viewModel: CharactersViewModel by viewModels()
    private val mainViewModel: MainViewModel by activityViewModels()
    private lateinit var binding: CharactersFragmentBinding
    private val adapter: CharacterAdapter = CharacterAdapter()

    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View {
        return CharactersFragmentBinding.inflate(inflater, container, false).also{
            binding = it
        }.root
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        setupRecyclerView()
    }

    private fun setupRecyclerView() {
        binding.charactersRv.adapter = adapter
        submitList()
        mainViewModel.query.observe(viewLifecycleOwner, { mensage ->
            submitList(mensage)
        })
    }
    
    fun submitList(query: String = ""){
        viewModel.characters(query).observe(viewLifecycleOwner) {
            adapter.submitData(lifecycle, it)
        }
    }

}