MainActivity.java - xosoviet

package thieu.mao.xosoviet;

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

import org.apache.http.NameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity implements OnClickListener {

    private Button btHomNay, btKetQua, btKetQuaDai;

    private ProgressDialog dialog;
    private String[] mangKetQua;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        setTitle("Xổ Số Việt");

        btHomNay = (Button) findViewById(R.id.buttonHomNay);
        btKetQua = (Button) findViewById(R.id.buttonKetQua);
        btKetQuaDai = (Button) findViewById(R.id.buttonKetQuaDai);

        btKetQua.setOnClickListener(this);
        btHomNay.setOnClickListener(this);
        btKetQuaDai.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
        case R.id.buttonKetQua:
            // dialog = ProgressDialog.show(this, "", "Loanding ...");
            if (isNetAvailable(getApplicationContext())) {
                String tinh = "xo-so-mien-bac";
                String linkMienBac = "http://tiasangmoi.com/GetWebData/layketquaxoso24h/linklay24h/layChung.php?link=http://ketquaxoso.24h.com.vn/"
                        + tinh + "/";
                new CategoryTask().execute(linkMienBac);
            } else {
                Toast.makeText(this, "Please check 3G/Wifi", Toast.LENGTH_SHORT)
                        .show();
            }
            break;
        case R.id.buttonHomNay:
            Intent intentHomNay = new Intent(MainActivity.this,
                    HomNayActivity.class);
            startActivity(intentHomNay);
            break;
        case R.id.buttonKetQuaDai:
            Intent intentKetQuaDai = new Intent(MainActivity.this,
                    KetQuaDaiActivity.class);
            startActivity(intentKetQuaDai);
            break;
        default:
            break;
        }
    }

    public Boolean isNetAvailable(Context con) {
        try {
            ConnectivityManager connectivityManager = (ConnectivityManager) con
                    .getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo wifiInfo = connectivityManager
                    .getNetworkInfo(ConnectivityManager.TYPE_WIFI);
            NetworkInfo mobileInfo = connectivityManager
                    .getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
            if (wifiInfo.isConnected() || mobileInfo.isConnected()) {
                return true;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    class CategoryTask extends AsyncTask<String, Void, Void> {

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            dialog = new ProgressDialog(MainActivity.this);
            dialog.setMessage("Loading...");
            dialog.setCancelable(true);
            dialog.show();
        }

        @Override
        protected Void doInBackground(String... params2) {
            String[] arrResult = new String[5];
            try {
                String url_all_products = params2[0];
                boolean checkMienBac = url_all_products.contains("mien-bac");
                JSONParser jParser = new JSONParser();
                // Building Parametersd
                List<NameValuePair> params = new ArrayList<NameValuePair>();
                JSONObject json = jParser.makeHttpRequest(url_all_products,
                        "GET", params);
                // Check your log cat for JSON reponse
                Log.d("All Products: ", json.toString());

                // products JSONArray
                JSONArray products = null;
                products = json.getJSONArray("message");
                for (int i = 0; i < products.length(); i++) {
                    JSONObject c = products.getJSONObject(i);
                    if (checkMienBac) {
                        String Time = c.getString("Time");
                        String DB = c.getString("DB");
                        String G1 = c.getString("G1");
                        String G2 = c.getString("G2");
                        String G3 = c.getString("G3");
                        String G4 = c.getString("G4");
                        String G5 = c.getString("G5");
                        String G6 = c.getString("G6");
                        String G7 = c.getString("G7");
                        String strResult = Time + "," + DB + "," + G1 + ","
                                + G2 + "," + G3 + "," + G4 + "," + G5 + ","
                                + G6 + "," + G7;
                        arrResult[i] = strResult;
                        Log.d("Ket qua: ", strResult);
                    } else {
                        String Time = c.getString("Time");
                        String DB = c.getString("DB");
                        String G1 = c.getString("G1");
                        String G2 = c.getString("G2");
                        String G3 = c.getString("G3");
                        String G4 = c.getString("G4");
                        String G5 = c.getString("G5");
                        String G6 = c.getString("G6");
                        String G7 = c.getString("G7");
                        String G8 = c.getString("G8");
                        String strResult = Time + "," + DB + "," + G1 + ","
                                + G2 + "," + G3 + "," + G4 + "," + G5 + ","
                                + G6 + "," + G7 + "," + G8;
                        arrResult[i] = strResult;
                    }
                }
                mangKetQua = arrResult;
            } catch (JSONException e) {
                e.printStackTrace();
                Log.d("Ket qua: ", "Loi roi");
            }
            return null;
        }

        @Override
        protected void onPostExecute(Void result) {
            if (dialog != null) {
                dialog.dismiss();
            }
            Intent intent = new Intent(MainActivity.this, KetQuaActivity.class);
            intent.putExtra("mKQ", mangKetQua);
            startActivity(intent);
            super.onPostExecute(result);
        }

    }

}