voici mon problem j'essaie de me connecter a ma base de donnée de reupérer un json array et le mette dans une liste view mais ça marche pas
voila le code
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| package com.androidhive.jsonparsing;
import java.util.ArrayList;
import java.util.HashMap;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.ListActivity;
import android.content.Intent;
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 AndroidJSONParsingActivity extends ListActivity {
// url to make request
private static String url = "http://192.168.1.3/ville/ville.php";
// JSON Node names
private static final String TAG_CLIENT = "client";
private static final String TAG_ID = "Code_client";
private static final String TAG_NOM = "Nom";
private static final String TAG_PRENOM = "PRENOM";
private static final String TAG_SOCIET = "Societé";
private static final String TAG_ADRESS = "Adresse";
private static final String TAG_VILLE = "Ville";
private static final String TAG_TEL = "Tel";
private static final String TAG_FAX = "fax";
private static final String TAG_GSM = "Gsm";
private static final String TAG_EMAIL = "Email";
JSONArray client = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ArrayList<HashMap<String, String>> clientList = new ArrayList<HashMap<String, String>>();
JSONParser jParser = new JSONParser();
JSONObject json = jParser.getJSONFromUrl(url);
try {
// Getting Array of Contacts
client = json.getJSONArray("client");
// looping through All Contacts
for(int i = 0; i < client.length(); i++){
JSONObject c = client.getJSONObject(i);
// Storing each json item in variable
String id = c.getString(TAG_ID);
String nom = c.getString(TAG_NOM);
String prenom = c.getString(TAG_PRENOM);
String societe = c.getString(TAG_SOCIET);
String address = c.getString(TAG_ADRESS);
String ville = c.getString(TAG_VILLE);
String tel = c.getString(TAG_TEL);
String fax = c.getString(TAG_FAX);
String gsm = c.getString(TAG_GSM);
String email = c.getString(TAG_EMAIL);
// creating new HashMap
HashMap<String, String> map = new HashMap<String, String>();
// adding each child node to HashMap key => value
map.put(TAG_ID, id);
map.put(TAG_NOM, nom);
map.put(TAG_EMAIL, email);
map.put(TAG_TEL, tel);
// adding HashList to ArrayList
clientList.add(map);
}
} catch (JSONException e) {
e.printStackTrace();
}
/**
* Updating parsed JSON data into ListView
* */
ListAdapter adapter = new SimpleAdapter(this, clientList,
R.layout.list_item,
new String[] { TAG_NOM, TAG_EMAIL, TAG_TEL }, new int[] {
R.id.name, R.id.email, R.id.mobile });
setListAdapter(adapter);
// selecting single ListView item
ListView lv = getListView();
// Launching new screen on Selecting Single ListItem
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// getting values from selected ListItem
String name = ((TextView) view.findViewById(R.id.name)).getText().toString();
String cost = ((TextView) view.findViewById(R.id.email)).getText().toString();
String description = ((TextView) view.findViewById(R.id.mobile)).getText().toString();
// Starting new intent
Intent in = new Intent(getApplicationContext(), SingleMenuItemActivity.class);
in.putExtra(TAG_NOM, name);
in.putExtra(TAG_EMAIL, cost);
in.putExtra(TAG_TEL, description);
startActivity(in);
}
});
}
} |
voila la format json recupérer:
{"client":[{"Code_client":"3","Nom":"jhon","Prenom":"smith",null:"noname","Adresse":"nonamekk","Ville":"kqjldjq","Tel":"22520225","Fax":"2255565","Gsm":"2545555","Email":"jjhkjqh@hotmail.com","Descrition_complementaires":"qsvwdsvwxsv"},{"Code_client":"4","Nom":"jhon","Prenom":"smith",null:"noname","Adresse":"nonamekk","Ville":"kqjldjq","Tel":"22520225","Fax":"2255565","Gsm":"2545555","Email":"jjhkjqh@hotmail.com","Descrition_complementaires":"qsvwdsvwxsv"},{"Code_client":"5","Nom":"jhon","Prenom":"smith",null:"noname","Adresse":"nonamekk","Ville":"kqjldjq","Tel":"22520225","Fax":"2255565","Gsm":"2545555","Email":"jjhkjqh@hotmail.com","Descrition_complementaires":"qsvwdsvwxsv"},{"Code_client":"6","Nom":"jhon","Prenom":"smith",null:"noname","Adresse":"nonamekk","Ville":"kqjldjq","Tel":"22520225","Fax":"2255565","Gsm":"2545555","Email":"jjhkjqh@hotmail.com","Descrition_complementaires":"qsvwdsvwxsv"}]}
et voila le logcat:
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| 05-14 23:17:12.929: W/dalvikvm(357): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
05-14 23:17:12.940: E/AndroidRuntime(357): FATAL EXCEPTION: main
05-14 23:17:12.940: E/AndroidRuntime(357): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.androidhive.jsonparsing/com.androidhive.jsonparsing.AndroidJSONParsingActivity}: java.lang.NullPointerException
05-14 23:17:12.940: E/AndroidRuntime(357): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
05-14 23:17:12.940: E/AndroidRuntime(357): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
05-14 23:17:12.940: E/AndroidRuntime(357): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
05-14 23:17:12.940: E/AndroidRuntime(357): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
05-14 23:17:12.940: E/AndroidRuntime(357): at android.os.Handler.dispatchMessage(Handler.java:99)
05-14 23:17:12.940: E/AndroidRuntime(357): at android.os.Looper.loop(Looper.java:123)
05-14 23:17:12.940: E/AndroidRuntime(357): at android.app.ActivityThread.main(ActivityThread.java:4627)
05-14 23:17:12.940: E/AndroidRuntime(357): at java.lang.reflect.Method.invokeNative(Native Method)
05-14 23:17:12.940: E/AndroidRuntime(357): at java.lang.reflect.Method.invoke(Method.java:521)
05-14 23:17:12.940: E/AndroidRuntime(357): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
05-14 23:17:12.940: E/AndroidRuntime(357): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
05-14 23:17:12.940: E/AndroidRuntime(357): at dalvik.system.NativeStart.main(Native Method)
05-14 23:17:12.940: E/AndroidRuntime(357): Caused by: java.lang.NullPointerException
05-14 23:17:12.940: E/AndroidRuntime(357): at com.androidhive.jsonparsing.AndroidJSONParsingActivity.onCreate(AndroidJSONParsingActivity.java:59)
05-14 23:17:12.940: E/AndroidRuntime(357): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
05-14 23:17:12.940: E/AndroidRuntime(357): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
05-14 23:17:12.940: E/AndroidRuntime(357): ... 11 more |
Connexion BDD & JSon
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