Problemas Adapter

****** Main Activity

package com.novoandroid.listadetarefas.activity;

import android.content.ContentValues;
import android.content.Intent;
import android.os.Bundle;

import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.novoandroid.listadetarefas.R;
import com.novoandroid.listadetarefas.adapter.TarefaAdapter;
import com.novoandroid.listadetarefas.helper.DbHelper;
import com.novoandroid.listadetarefas.helper.RecyclerItemClickListener;
import com.novoandroid.listadetarefas.helper.TarefaDAO;
import com.novoandroid.listadetarefas.model.Tarefa;

import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.recyclerview.widget.DividerItemDecoration;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.util.Log;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.AdapterView;
import android.widget.LinearLayout;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    private RecyclerView recyclerView;
    private TarefaAdapter tarefaAdapter;
    private List<Tarefa> listaTarefas = new ArrayList<>();
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        // Configurar recycler
        recyclerView = findViewById(R.id.recyclerView);

        DbHelper db = new DbHelper(getApplicationContext());

        ContentValues cv = new ContentValues();
        cv.put("nome","Teste");
        db.getWritableDatabase().insert("tarefas",null, cv);

        //adicionar Evento de Click
        recyclerView.addOnItemTouchListener(
                new RecyclerItemClickListener(
                        getApplicationContext(),
                        recyclerView,
                        new RecyclerItemClickListener.OnItemClickListener() {
                            @Override
                            public void onItemClick(View view, int position) {
                                Log.i("Clique","onItemClick");
                            }

                            @Override
                            public void onLongItemClick(View view, int position) {
                                Log.i("Clique","onLongClick");

                            }

                            @Override
                            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {

                            }
                        }
                )
        );


        FloatingActionButton fab = findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                Intent intent = new Intent(getApplicationContext(),AdicionarTarefaActivity.class);
                startActivity(intent);
            }
        });
    }

    public void carregarListaTarefas(){

        // Listar Tarefas;
        Tarefa  tarefa1  = new  Tarefa();
        tarefa1.setNomeTarefa("ir ao mercado");
        listaTarefas.add(tarefa1);

        Tarefa tarefa2 = new Tarefa();
        tarefa2.setNomeTarefa("ir ao Bar");
        listaTarefas.add(tarefa2);

      //  TarefaDAO tarefaDAO = new TarefaDAO(getApplicationContext());
        //listaTarefas = tarefaDAO.listar();




        //Configurar o Adapter

        tarefaAdapter = new TarefaAdapter(listaTarefas);

        // Configurar o Recycler View

        RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(getApplicationContext());
        recyclerView.setLayoutManager(layoutManager);
        recyclerView.setHasFixedSize(true);
        recyclerView.addItemDecoration(new DividerItemDecoration(getApplicationContext(), LinearLayout.VERTICAL));
        recyclerView.setAdapter(tarefaAdapter);
    }

    @Override
    protected void onStart() {
        carregarListaTarefas();
        super.onStart();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}




****** Tarefa aDAPTER

package com.novoandroid.listadetarefas.adapter;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

import com.novoandroid.listadetarefas.R;
import com.novoandroid.listadetarefas.model.Tarefa;

import java.util.List;

public class TarefaAdapter extends RecyclerView.Adapter<TarefaAdapter.MyViewHolder> {

    private List<Tarefa> listaTarefa;

    public TarefaAdapter(List<Tarefa> lista) {
        this.listaTarefa = lista;
    }

    @NonNull
    @Override
    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {

        View itemLista = LayoutInflater.from(parent.getContext())
                .inflate(R.layout.lista_tarefa_adapter,parent,false);

        return new MyViewHolder(itemLista);
    }

    @Override
    public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {

        Tarefa tarefa = listaTarefa.get(position);
        holder.tarefa.setText(tarefa.getNomeTarefa());

    }

    @Override
    public int getItemCount() {
        return this.listaTarefa.size();
    }

    public class MyViewHolder extends RecyclerView.ViewHolder{

        TextView tarefa;


        public MyViewHolder(@NonNull View itemView) {
            super(itemView);

            tarefa = itemView.findViewById(R.id.textTarefa);

        }
    }



}

*************************************** Model Tarefa

package com.novoandroid.listadetarefas.model;

import java.io.Serializable;

public class Tarefa implements Serializable {

    private Long id;
    private String nomeTarefa;


    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getNomeTarefa() {
        return nomeTarefa;
    }

    public void setNomeTarefa(String nomeTarefa) {
        this.nomeTarefa = nomeTarefa;
    }
}