Pokemon.java

package com.lctics.retrofit2;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.Button;
import android.widget.TextView;

import com.lctics.retrofit2.dataPokemon.model.PokemonFeed;
import com.lctics.retrofit2.dataPokemon.remote.PokemonAPI;

import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;

public class Pokemon extends AppCompatActivity {
    private static final String TAG = "MyActivity";

    @BindView(R.id.txtID) TextView txtID;
    @BindView(R.id.txtName) TextView txtName;
    @BindView(R.id.txtSpecie) TextView txtSpecie;
    @BindView(R.id.btnLeer) Button btnLeer;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_pokemon);
        ButterKnife.bind(this);
    }

    @OnClick(R.id.btnLeer) public void buttonRefresh(){
        PokemonAPI.Factory.getInstance().getPokemon().enqueue(new Callback<PokemonFeed>() {
            @Override
            public void onResponse(Call<PokemonFeed> call, Response<PokemonFeed> response) {
                Log.e(TAG, "ID: " + response.body().getNationalId());
                txtID.setText("00"+response.body().getNationalId());
                txtName.setText(response.body().getName());
                txtSpecie.setText(response.body().getSpecies());
            }

            @Override
            public void onFailure(Call<PokemonFeed> call, Throwable t) {
                Log.e("Failed",t.getMessage());
            }
        });
    }

    @Override
    protected void onResume() {
        super.onResume();
        buttonRefresh();
    }
}