How To Access Sqlite Database In The Asset Folder Of An Android Project?

I need help to use use my existing sqlite database in android. i am placing my sqlite database in '/assets/(mydatabase)' but unable to use it. i am using following code. some times

Solution 1:

not sure but this can help you

voidcheckDB() throws Exception {
    try {
        SQLiteDatabase dbe = SQLiteDatabase
                .openDatabase(
                        "/data/data/yourpackagename/databases/yourfilename.sqlite",
                        null, 0);
        Log.d("opendb", "EXIST");
        dbe.close();
    } catch (Exception e) {

        AssetManager am = getApplicationContext().getAssets();
        OutputStream os = new FileOutputStream(
                "/data/data/yourpackagename/databases/yourfilename.sqlite");
        byte[] b = newbyte[100];

        int r;
        InputStream is = am.open("yourfilename.sqlite");
        while ((r = is.read(b)) != -1) {
            os.write(b, 0, r);
        }
        Log.i("DATABASE_HELPER", "Copying the database ");
        is.close();
        os.close();
    }

}

Solution 2:

Duplication: SQLite Android . unable to open database file