Android Database help needed
-
10-06-2021 - |
سؤال
I have an activity which has two edit text fields: one for the title and the other for the story.
The entries made two text fields are saved in the database, also the database has a ROW_ID
,TITLE_ID
and STORY_ID
. The entries are displayed in a list view.
When an item is long clicked, I get the row id corresponding to that item.
How should I get the TITLE_ID
and STORY_ID
from this?
المحلول
Say, you have the corresponing row id of item which is long clicked in a variable rid. Then run the following query:
String q = "SELECT * FROM TABLE_NAME where(ROW_ID like '"+rid+"')";
Cursor c = db.rawQuery(q, null); // db is a object of SQLiteDatabase type
Then retrieve TITLE_ID and STORY_ID like:
if(c.getCount() == 0)
{
//No entry found
}
else {
c.moveToFirst();
do {
String titleid = c.getString(c.getColumnIndex("TITLE_ID"));
String storyid = c.getString(c.getColumnIndex("STORY_ID"));
} while (c.moveToNext());
c.close();
Then use them as you like :)
نصائح أخرى
You could query the data base for the TITLE_ID and STORY_ID that correspond to the ROW_ID.
Post what code you have and we will be able to give more specific answers.