Click here to see my blog post on this subject. CommonsWare is right on (as usual). Expanding on his post, here is some sample code that illustrates three possible approaches. These will allow access to the database throughout the application. Approach #1: subclassing `Application` If you know your application won’t be very complicated (i.e. if … Read more
01-29 13:41:56.520: W/CursorWindow(4121): Window is full: requested allocation 5140987 bytes, free space 2096617 bytes, window size 2097152 bytes Android SQLite returns rows in cursor windows that have the maximum size of 2MB as specified by config_cursorWindowSize. If your row exceeds this limit, you’ll get this error. Storing large data in sqlite database is not a … Read more
selectionArgs replace any question marks in the selection string. for example: String[] args = { “first string”, “second@string.com” }; Cursor cursor = db.query(“TABLE_NAME”, null, “name=? AND email=?”, args, null); as for your question – you can use null
Cursor is the Interface which represents a 2 dimensional table of any database. When you try to retrieve some data using SELECT statement, then the database will first create a CURSOR object and return its reference to you. The pointer of this returned reference is pointing to the 0th location which is otherwise called as … Read more
The simplest way is this: while (cursor.moveToNext()) { … } The cursor starts before the first result row, so on the first iteration this moves to the first result if it exists. If the cursor is empty, or the last row has already been processed, then the loop exits neatly. Of course, don’t forget to … Read more