@Override
    public void onCreate(final SQLiteDatabase db) {

      Out.d(TAG, "Creation de la BDD");

      // we go through the tables creation scripts
      for (int i = 0; i < CREATE_TABLES.length; i++) {

        Out.d(TAG, CREATE_TABLES[i]);

        // we create each table into the database
        db.execSQL(CREATE_TABLES[i]);
      }
    }
 /**
  * Initialize provider context
  *
  * @param context is the context of execution. If possible give the Application's context
  */
 public static void initialize(final Context context) {
   if (sContext == null) {
     Out.d(TAG, "initialize!!");
     sContext = context.getApplicationContext();
     sDbHelper = new DatabaseHelper(sContext);
   }
 }
  /** Codes returned by the URIMatcher corresponding to the URI analyzed */
  @Override
  public boolean onCreate() {
    Out.d(TAG, "On Create BusinessObjectProvider");

    initialize(getContext());
    return true;
  }
  @Override
  public int update(
      final Uri uri, final ContentValues values, final String where, final String[] whereArgs) {
    final int match = sUriMatcher.match(uri);

    // get a readable database access
    SQLiteDatabase db = sDbHelper.getWritableDatabase();

    // log message
    Out.d(TAG, "BusinessObjectProvider.query: uri=" + uri + ", match is " + match);

    // we initialize the update counter
    int count = 0;

    String table = getTableName(match);

    // throws an exception if there is no table name
    if (table == null) throw new IllegalArgumentException("Unknown URI " + uri);

    // update the database
    count = db.update(table, values, where, whereArgs);

    // we notify that a change happened
    sContext.getContentResolver().notifyChange(uri, null);

    return count;
  }
  @Override
  public Cursor query(
      final Uri uri,
      final String[] columns,
      final String where,
      final String[] whereArgs,
      final String order) {
    Cursor c = null;

    final int match = sUriMatcher.match(uri);

    // get a readable database access
    SQLiteDatabase db = sDbHelper.getReadableDatabase();

    // log message
    Out.d(TAG, "BusinessObjectProvider.query: uri=" + uri + ", match is " + match);

    // we get the table and then query to the database
    String table = getTableName(match);
    c = db.query(table, columns, where, whereArgs, null, null, order);

    // we notify that a change happened if it actually occurred
    if ((c != null) && !isTemporary()) {
      c.setNotificationUri(sContext.getContentResolver(), uri);
    }
    return c;
  }
  @Override
  public Uri insert(final Uri uri, ContentValues values) {

    // we get the type of the URI received
    final int match = sUriMatcher.match(uri);

    // log message
    Out.d(TAG, "BusinessObjectProvider.insert: uri=" + uri + ", match is " + match);

    // we manage the null ContentValues
    if (values == null) values = new ContentValues();

    // we prepare the database access
    SQLiteDatabase db = sDbHelper.getWritableDatabase();

    // we create the result values
    long id = BusinessObjectDAO.ID_INVALID;
    Uri resultUri;

    // we get the table name and then insert into the database
    String table = getTableName(match);
    id = db.insert(table, "foo", values);

    // we add the id received at the end of the URI
    resultUri = ContentUris.withAppendedId(uri, id);

    // we return the URI with the id of the entry at the end
    return resultUri;
  }
  /**
   * ***************************
   *
   * <p>ContentProvider's Functions
   *
   * <p>***************************
   */
  @Override
  public int delete(final Uri uri, final String where, final String[] whereArgs) {

    final int match = sUriMatcher.match(uri);

    Out.d(TAG, TAG + ".delete: uri=" + uri + ", match is " + match);

    // We get the database access
    SQLiteDatabase db = sDbHelper.getWritableDatabase();
    int count;

    // we get the table and then we delete the field into the database
    String table = getTableName(match);
    count = db.delete(table, where, whereArgs);

    sContext.getContentResolver().notifyChange(uri, null);
    return count;
  }