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| import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.apache.http.NameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
public class ListeContactActivity extends ListActivity{
// Pop-up Chargement
private ProgressDialog pDialog;
// Creating JSON Parser object
JSONParser jParser = new JSONParser();
ArrayList<HashMap<String, String>> contactList;
// url to get all contacts list
private static String url_all_contacts = "http://10.0.2.2/contactCloud/list_contact.php";//10.0.2.2
// JSON Node names
private static final String TAG_SUCCESS = "success";
private static final String TAG_CONTACT = "contacts";
private static final String TAG_IDCONTACT = "idCONTACT";
private static final String TAG_NOM = "nom";
// contacts JSONArray
JSONArray contacts = null;
///////////////////////////////////////////////////////////////////////////////////////
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.list_contact);
//setContentView(R.layout.list_item);
// Hashmap for ListView
contactList = new ArrayList<HashMap<String, String>>();
// Loading contacts in Background Thread
new LoadAllContacts().execute();
// Get listview
ListView lv = getListView();
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// getting values from selected ListItem
String idCONTACT = ((TextView) view.findViewById(R.id.idCONTACT)).getText()
.toString();
// Starting new intent
Intent in = new Intent(getApplicationContext(),
MajContactActivity.class);
// sending pid to next activity
in.putExtra(TAG_IDCONTACT, idCONTACT);
// starting new activity and expecting some response back
startActivityForResult(in, 100);
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
// if result code 100
if (resultCode == 100) {
// if result code 100 is received
// means user edited/deleted product
// reload this screen again
Intent intent = getIntent();
finish();
startActivity(intent);
}
}
class LoadAllContacts extends AsyncTask<String, String, String> {
/**
* Before starting background thread Show Progress Dialog
* */
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(ListeContactActivity.this);
pDialog.setMessage("Chargement des contacts. Patienter...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
}
/**
* getting All contacts from url
* */
protected String doInBackground(String... args) {
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
// getting JSON string from URL
JSONObject json = jParser.makeHttpRequest(url_all_contacts, "GET", params);
// Check your log cat for JSON reponse
Log.d("Tous les contacts: ", json.toString());
try {
// Checking for SUCCESS TAG
int success = json.getInt(TAG_SUCCESS);
if (success == 1) {
// contacts found
contacts = json.getJSONArray(TAG_CONTACT);
for (int i = 0; i < contacts.length(); i++) {
JSONObject c = contacts.getJSONObject(i);
// Storing each json item in variable
String id = c.getString(TAG_IDCONTACT);
String nom = c.getString(TAG_NOM);
// creating new HashMap
HashMap<String, String> map = new HashMap<String, String>();
// adding each child node to HashMap key => value
map.put(TAG_IDCONTACT, id);
map.put(TAG_NOM, nom);
// adding HashList to ArrayList
contactList.add(map);
}
} else {
Intent i = new Intent(getApplicationContext(),
AjoutContactActivity.class);
// Closing all previous activities
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(i);
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog after getting all contacts
pDialog.dismiss();
// updating UI from Background Thread
runOnUiThread(new Runnable() {
public void run() {
/**
* Updating parsed JSON data into ListView
* */
ListAdapter adapter = new SimpleAdapter(
ListeContactActivity.this, contactList,
R.layout.list_item, new String[] { TAG_IDCONTACT,
TAG_NOM},
new int[] { R.id.idCONTACT, R.id.nom });
// updating listview
setListAdapter(adapter);
}
});
}
}
} |
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