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[android-developers] Re: How to deal with ExpandableList when all the data are coming from datebase?
hehe,thank you,Marco. i have solved this problem already. 2009/6/7 Marco Nelissen marc...@android.com On Sat, Jun 6, 2009 at 8:45 AM, stonestrange stonestra...@gmail.comwrote: I want to the effective like ExpandableList1 Activity in apidemo.But my data is from the database.And th groups's data from the database and the children's data from the database too.All both are comg from different tables. Not a problem. The data can come from wherever you want, you just need to have Cursors for it (one Cursor for the top level list, and one Cursor for each expanded child) First,i want to konw how to get data from the cursor to String[]; Second,i want to konw how to confirm the data of children[][]. I don't understand your question(s). Can you be more specific? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: database table design problem
There is something wrong with your database designing. And you need to add a table storing note type. 2009/5/22 Jason Proctor ja...@particularplace.com you basically have a one (note) to many (note type) relationship. model this with two tables -- create table notes (id integer primary key); create table note_types (note_id integer references notes, type integer); to add a type to a note, insert into note_types. to find out whether a note is of a particular type, or to get all the types for a particular note, select from note_types. Hi guys, I have a column which describes note type, the value of the type may be 1, 2, 3.(some int numbers). The problem is that the type value may be one of those numbers, or some of the numbers, such as the type may belong to1 and also belong to 2.. When I create the table, I may create it like this: CREATE TABLE + NOTES_TABLE_NAME + ( + Notes._ID + INTEGER PRIMARY KEY, + Notes.TYPE + TEXT + );); I set TEXT to Notes.TYPE, so it can save the type '1 and 2' like this 1,2, But when I query the item whose Notes.TYPE is 1, you know, type 1,2 also satisfys this, And I should do some string spliting in order to query this. Is there any easy way to solve this? Thanks! -- jason.software.particle --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
