import android.support.v7.app.ActionBarActivity;
    import android.os.Bundle;
    import android.view.Menu;
    import android.view.MenuItem;
    import android.view.View;
    import android.widget.Button;

    import com.Tag_Interativa.vejo_ao_vivo.app.core.service.AbstractService;
    import com.Tag_Interativa.vejo_ao_vivo.app.service.ScoreService;
    import com.Tag_Interativa.vejo_ao_vivo.app.utils.JsonMapper;

public class LoginActivity extends ActionBarActivity {

    private Button mButtonShowHighScore;
    private JsonMapper mMapper = new JsonMapper();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);
        //Remova esse comentário, esse espaço é padrão, deixe (o espaço)
        mButtonShowHighScore = (Button) findViewById(R.id.ID_DO_BOTAO);
    }

    @Override
    public void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);

        mButtonShowHighScore.setOnClickListener(onClickForgotPassword);
    }

    private View.OnClickListener onClickForgotPassword = new View.OnClickListener() {
        @Override
        public void onClick(View view) {

            new ScoreService(0, 0, onScoreResponse);
        }
    };

    private AbstractService.OnRestResponse onScoreResponse = new AbstractService.OnRestResponse() {
        @Override
        public void onSuccess(int statusCode, String content) {
            //Vai cair aqui, a putada toda ta dentro da variável content

            try {

                List<Score> cameras = mMapper.readValue(content, new TypeReference<List<Score>>() {});
                //faz a porra q tu quiser

            } catch (Exception e) {
                onFail(-1);
            }
        }

        @Override
        public void onFail(int statusCode) {
            //Aqui é caso ocorra algum problema de conexão ou timeout
        }
    };

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.login, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

}