ModuloActivity

package br.ufrn.imd.jacksonmeires.imdmaterials.activity;

import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ListView;

import java.util.HashMap;

import br.ufrn.imd.jacksonmeires.imdmaterials.R;
import br.ufrn.imd.jacksonmeires.imdmaterials.adapter.VwModuleCursoDisciplinaArrayAdapter;
import br.ufrn.imd.jacksonmeires.imdmaterials.model.VwModuloDisciplinaCurso;
import br.ufrn.imd.jacksonmeires.imdmaterials.util.JSONHandler;
import br.ufrn.imd.jacksonmeires.imdmaterials.webservice.ServiceHandler;

public class ModuloActivity extends AppCompatActivity {

    VwModuloDisciplinaCurso objVMDC = new VwModuloDisciplinaCurso();
    HashMap<String, String> hashMap = new HashMap<String, String>();

    private ListView moduleListView;

    public final String url = "http://supergamesschools.com.br/eadcontent/app/services/ModuloDisciplinaCursoWebservice.php?modulo_id=1";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.content_modulo);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        moduleListView = (ListView) findViewById( R.id.moduleListView );
    }

    @Override
    protected void onStart() {
        super.onStart();
        new HttpRequestUsuario().execute();
    }


    private class HttpRequestUsuario extends AsyncTask<Void, Void, HashMap<String, String>> {
        @Override
        protected HashMap<String, String> doInBackground(Void... params) {
            ServiceHandler serviceHandler = new ServiceHandler();

            JSONHandler jsonHandler =  new JSONHandler( serviceHandler.makeServiceCall( url, ServiceHandler.POST ) );

            return objVMDC.getLoadAll(jsonHandler);
        }

        @Override
        protected void onPostExecute(HashMap<String,String> result) {

            //super.onPostExecute(result);

           Log.e("nome_modulo", String.valueOf(hashMap.get("nome_modulo")));
            Log.e("nome_disciplina", String.valueOf(hashMap.get("nome_disciplina")));

         //  TextView usuarioLogin = (TextView) findViewById(R.id.txtLogin);
         //  TextView usuarioPassword = (TextView) findViewById(R.id.txtPassword);
          //usuarioLogin.setText(usuario.getlogin());
         // usuarioPassword.setText(usuario.getPassword());
            //Se tiver retornado algum valor.
            if( result != null && result.size() > 0 )
            {

                //Instancia o adapater com o modelo que criamos
                //E passa as informacoes encontradas.
                VwModuleCursoDisciplinaArrayAdapter studentArrayAdapter = new VwModuleCursoDisciplinaArrayAdapter( ModuloActivity.this, R.layout.vw_mcd_list_item, result );

                //Set o adapter na list view para mostrar os dados.
                moduleListView.setAdapter( studentArrayAdapter );

                //Esconde o textView que diz que não existe dado.
                //textViewSemDadosEstudante.setVisibility( View.GONE );

            }else //Se não tiver encontrado nenhum dado.
            {

                //Mostra o textView dizendo que não encontrou dados.
                //textViewSemDadosEstudante.setVisibility( View.VISIBLE );

                //Set o adapter da listView para null
                moduleListView.setAdapter( null );

            }
        }

    }

    @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_modulo, 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);
    }
}