refresh your list adapter via notifySataSetChanged() in onResume()
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override onResume() method of your activity and write your code to refresh
the listview in onResume()... it will be called when you reopen the
application after pressing home button...
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To
... or make your cursor managed, by giving it to
Acitivity.startManagingCursor.
Managed cursors are automatically automatically requeried around the
time of onResume / onStart.
03.08.2011 21:50, lbendlin пишет:
refresh your list adapter via notifySataSetChanged() in onResume()
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Kostya
already doing this. :-(
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Can someone give me an example of what the onResume() should look like. I
did this and my app crashes
@Override
public void onResume()
{ lv_adapter.notifyDataSetChanged(); }
this is in the onCreate above
super.onCreate(savedInstanceState);
Are you actually calling onRestart / onStart / onResume / onPause from
your own code inside onCreate?
03.08.2011 22:33, usafrmajor пишет:
super.onCreate(savedInstanceState);
setContentView(R.layout.main_selected);
onRestart();
onStart();
onResume();
onPause();
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Kostya Vasilyev
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You
As you might imagine I am new to all this. :-)
But the answer is yes and no. I have been adding and commenting various
combinations of those as I try to figure out how to fix my problem. Kind of
lost track that there are in an onCreate method. Seems obvious now that
they should not be
03.08.2011 22:52, usafrmajor пишет:
As you might imagine I am new to all this. :-)
I'd never guessed :)
But the answer is yes and no. I have been adding and commenting
various combinations of those as I try to figure out how to fix my
problem. Kind of lost track that there are in an
I close the db adapter but not the cursor
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There is no close method in ListAdapter
http://developer.android.com/reference/android/widget/ListAdapter.html
If you are closing the cursor - well, a closed cursor won't requery.
It's closed.
-- Kostya
03.08.2011 23:33, usafrmajor пишет:
I close the db adapter but not the cursor
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You
I was referring to the database connection that populates the cursor NOT the
ListAdapter
DBAdapter db = new DBAdapter(this);
And, I do not close the cursor explicitly unless closing the DBAdapter
[i.e., db.close();] after doing setListAdapter does it?
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What's DBAdapter?
A subclass of SQLiteOpenHelper?
04.08.2011 0:16, usafrmajor пишет:
I was referring to the database connection that populates the cursor
NOT the ListAdapter
DBAdapter db = new DBAdapter(this);
And, I do not close the cursor explicitly unless closing the DBAdapter
[i.e.,
It is the class that I created that interacts with a database table. It
does the inserts, updates, deleted and selects from the db table.
It uses these classes
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import
If you're closing the SQLiteOpenHelper, it means you're closing the
database.
A closed database is just that, closed, and will need to be reopened -
e.g. in onRestart. You will also need to run a new query, to get a fresh
-- open -- cursor that you can work with.
A better way is to keep the
OK, I'll work on that. Thanks for all your help. :-)
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