cursorandroidquery

2015年8月14日 — android - SQLite查詢資料及使用Cursor物件 · SELECT敘述基本語法如下: SELECT * FROM TableName SELECT name, phone, email FROM TableName · 使用Cursor ...

... query on a SQLiteDatabase . This interface provides random read-write access to the result set returned by a database query. Cursor implementations are not ...

2016年10月27日 — Cursors are what contain the result set of a query made against a database in Android. The Cursor class has an API that allows an app to read ( ...

2018年4月23日 — Caused by: android.database.CursorIndexOutOfBoundsException: Index -1 requested, with a size of 0 . Your cursor is empty. So you can't even move ...

2022年4月14日 — How do I return a cursor based on the position of entry. First, your method getRowCursor() should return a Cursor .

2023年3月15日 — The basic purpose of a cursor is to point to a single row of the result fetched by the query. We load the row pointed by the cursor object.

2021年9月9日 — The function getRec() returns a Cursor and you can call it like: Cursor c = getRec(John);. Then you must check if the cursor contains any ...

2019年12月13日 — If the query can return multiple rows then you should return a list. If you are sure that the query will return just a single Card then ...

2015年3月10日 — Use this snippet: String table = tblsample; String selection = DefaultId =? OR Name=?; String[] selectionArgs = new String[]567}; ...

... cursor window for the cursor to use. From class android.database.AbstractCursor. void, checkPosition(). This function throws CursorIndexOutOfBoundsException if ...