android-cursor

how can I "convert" a Cursor to a JSONArray? my cursor as 3columns (_id, name, birth) I've searched but I can't not find any examples You can't convert the contents of a cursor directly into a JSONObject, but you can do that with some logic. for eg: retrieve the Strings from the cursor, form a String which follows the JSON format, and use it to make a json object : JSONObject jFromCursor=new JSONObject(string_in_JSON_format); Cursor to JSONArray public JSONArray cur2Json(Cursor cursor) { JSONArray resultSet = new JSONArray(); cursor.moveToFirst(); while (cursor.isAfterLast() == false) { int

I have this database using sqlite, and I'm having problem with closing the cursor its saying that Application did not close the cursor or database object that was opened here here's the logcat 10-18 08:40:56.354: E/Cursor(331): android.database.sqlite.DatabaseObjectNotClosedException: Application did not close the cursor or database object that was opened here 10-18 08:40:56.354: E/Cursor(331): at android.database.sqlite.SQLiteCursor.<init>(SQLiteCursor.java:210) 10-18 08:40:56.354: E/Cursor(331): at android.database.sqlite.SQLiteDirectCursorDriver.query(SQLiteDirectCursorDriver.java:53) 10-18

Being new in Android, I am having trouble dealing with the following: public String[] getContacts(){ Cursor cursor = getReadableDatabase().rawQuery("SELECT name FROM contacts", null); String [] names = {""}; for(int i = 0; i < cursor.getCount(); i ++){ names[i] = cursor.getString(i); } cursor.close(); return names; } The following gives me the following error: 09-18 10:07:38.616: E/AndroidRuntime(28165): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.sqllitetrial/com.example.sqllitetrial.InsideDB}: android.database.CursorIndexOutOfBoundsException: Index -1

I am performing a sqlite database operation on click event of listview as shown below: ListView lv1 = (ListView) findViewById(R.id.listView1); lv1.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { String out = arg0.getItemAtPosition(arg2).toString(); SQLiteDatabase db = openOrCreateDatabase("mynotedb", MODE_PRIVATE, null); String sql = "select description from notecont where title='"+out+"'"; Cursor c1 = db.rawQuery(sql, null); int n = c1.getColumnIndex("description"); data = c1.getString(n); if(data.equals("")) {

I'm trying to fetch all the Phone numbers and Emails in Android.by using this code. enter code here String KEY_NAME = "Name"; String KEY_NO = "No"; String selection = ContactsContract.CommonDataKinds.Phone.IN_VISIBLE_GROUP + " = 1"; String sortOrder = ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME + " COLLATE LOCALIZED ASC"; String data=""; String name=""; ContactEntry contactObj; String id; List<String> temp = new ArrayList<String>(); final String[] projection = new String[]{ContactsContract.Contacts._ID , ContactsContract.Contacts.DISPLAY_NAME , ContactsContract.Contacts.HAS_PHONE

I'm developing an alarm clock app for android and I want to have displayed list of alarms on the main screen. Each row of this ListView is defined in xml file. And I want to have separate TextViews for each day of week. Program will check in sqlite db if for eg. value for monday is = 1 and then change color of this TextView to red. I have written this code, but that doesn't work. What's wrong? private void fillData() { // Get all of the notes from the database and create the item list Cursor c = db.fetchAllAlarms(); startManagingCursor(c); String[] from = new String[] { db.KEY_TIME, db.KEY