ListDataActivity.java

package com.mysql.enisandroidclub;

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

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class ListDataActivity extends Activity {
    CustomProgressDialog  progressDialog;
    String urlGet="http://192.168.1.5/enis_android_club/affichage_bd.php";
    GetDataAsyncTask getData;
    String message;
    int success;
    ListView lv;
    List<String> myListofData ;
    ArrayAdapter arrayadp;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_list_data);
        progressDialog = new CustomProgressDialog(this, R.drawable.loading_throbber);
        progressDialog.setCancelable(true);
        lv=(ListView)findViewById(R.id.listView1);
        myListofData = new ArrayList<String>();
        getData=new GetDataAsyncTask();
        getData.execute();
    }


    private class GetDataAsyncTask extends  AsyncTask<Void, Void, Void> {
        @Override
        protected void onPreExecute() {
            Log.i("add", "onPreExecute");
            super.onPreExecute();
            progressDialog.show();
        }

        @Override
        protected Void doInBackground(Void... params) {
            Log.i("add", " start doInBackground");
            ServiceHandler sh = new ServiceHandler();

            // Making a request to url and getting response
        String jsonStr = sh.makeServiceCall(urlGet, ServiceHandler.GET);

        Log.d("Response: ",jsonStr);

        if (jsonStr != null) {
        try {
            JSONObject jsonObj = new JSONObject(jsonStr);
            // return value of success
            success=jsonObj.getInt("success");
            Log.i("success", String.valueOf(success));
            if (success==0)
            {
                // success=0 ==> there is a string = message
                message=jsonObj.getString("message");
                Log.i("message", message);
            }
            else if (success==1)
            {
                // success=1 ==> there is an array of data = valeurs
                JSONArray dataValues = jsonObj.getJSONArray("valeurs");
                // loop each row in the array
                for(int j=0;j<dataValues.length();j++)
                {
                    JSONObject values = dataValues.getJSONObject(j);
                    // return values of col1 in valCol1
                    String valCol1= values.getString("col1");
                    // return values of col2 in valCol2
                    String valCol2= values.getString("col2");
                    String valCol3= values.getString("col3");
                    String valCol4= values.getString("col4");
                    //add a string witch contains all of data getted from the response
                    myListofData.add(valCol1+" - "+valCol2+" - "+valCol3+" - "+valCol4);
                    Log.i("Row "+(j+1), valCol1+" - "+valCol2+" - "+valCol3+" - "+valCol4);
                }
            }

        } catch (JSONException e) {
            e.printStackTrace();
        }
        } else {
            Log.e("ServiceHandler", "Couldn't get any data from the url");
        }

        Log.i("add", " end doInBackground");
        return null;
        }

        @Override
        protected void onPostExecute(Void result) {
            Log.i("add", "onPostExecute");
            super.onPostExecute(result);
            if (progressDialog.isShowing())
            {
                progressDialog.dismiss();
            }
            if(success==1)
            {
                Toast.makeText(getApplicationContext(), "Bien récues ", Toast.LENGTH_LONG).show();
                // show the list view contains the data
                arrayadp=new ArrayAdapter(getApplicationContext(),  android.R.layout.simple_list_item_1, myListofData);
                lv.setAdapter(arrayadp);
            }
            else
            {
                Toast.makeText(getApplicationContext(), "Erreur", Toast.LENGTH_LONG).show();
            }


        }

    }




}