// addContacts
public void addContact(Contact contact) {
SQLiteDatabase db = this.getWritableDatabase();
ContentValues values = new ContentValues();
values.put(KEY_NAME, contact.getName());
values.put(KEY_PH_NO, contact.getPhoneNumber());
db.insert(TABLE_CONTACTS, null, values);
db.close();
}
// updateContact
public int updateContact(Contact contact) {
SQLiteDatabase db = this.getWritableDatabase();
ContentValues values = new ContentValues();
values.put(KEY_ID, contact.getID());
values.put(KEY_NAME, contact.getName());
values.put(KEY_PH_NO, contact.getPhoneNumber());
return db.update(
TABLE_CONTACTS, values, KEY_ID + "=?", new String[] {String.valueOf(contact.getID())});
}
// getAllContacts
public List<Contact> getAllContacts() {
List<Contact> contactList = new ArrayList<Contact>();
String selectQuery = "SELECT * FROM " + TABLE_CONTACTS;
SQLiteDatabase db = this.getWritableDatabase();
Cursor cursor = db.rawQuery(selectQuery, null);
if (cursor.moveToFirst()) {
do {
Contact contact = new Contact();
contact.setID(Integer.parseInt(cursor.getString(0)));
contact.setName(cursor.getString(1));
contact.setPhoneNumber(cursor.getString(2));
contactList.add(contact);
} while (cursor.moveToNext());
}
return contactList;
}
// deleteContact
public void deleteContact(Contact contact) {
SQLiteDatabase db = this.getWritableDatabase();
db.delete(TABLE_CONTACTS, KEY_ID + "=?", new String[] {String.valueOf(contact.getID())});
db.close();
}
