In DBAdapter.java class file you can do that.
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL(CREATE_TABLE_1);
db.execSQL(CREATE_TABLE_2);
db.execSQL(CREATE_TABLE_3);
db.execSQL("insert into " + DATABASE_TABLE3 + "(" + KEY_ROWID + ","
+ KEY_DEF + ") values(1,'')");
}
Like this type.