> 1) I don't see anyway to configure choiceMode for a CHeckedTxtView > iether programatically or via the layout file.
choiceMode is set on ListView, not on the CheckedTextView. For instance: http://d.android.com/reference/android/widget/ListView.html#setItemChecked(int, boolean) > 2) I most definitely DO need to call #setChecked in #bindView because > otherwise the CheckedTextViews remain checked even even after the > cursor for the ListAdapter has been changed (which is possible in this > scenario via user choice). If you have a single cursor feeding your > ListAdapter you'll never notice it, but as soon as you switch between > different lists of data (and have some memory of user selection on > that data) you have to be able to set the checked value on the > CheckedTextView based upon the row and rowModel. Use ListView's various choiceMode related methods to do this. You can > > > On Aug 16, 6:22 am, Romain Guy <[email protected]> wrote: >> Actually you want to use CheckedTextView with choiceMode. That's what >> CheckedTextView is for. However, you should not be calling setChecked >> from bindView(), but let ListView handle it. The problem was that you >> were doing ListView's job a second time. You don't need listeners >> (click on onlistitem), calls to setChecked, etc. >> >> On Sun, Aug 15, 2010 at 4:15 AM, William Ferguson >> >> >> >> <[email protected]> wrote: >> > To those who may follow, if you have a list of CheckedTextView you >> > probably don't want the ListView to have any choice mode. Ie don't >> > set: >> > listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); >> >> > And then you will be able to handle the checked state in your >> > ListAdapter and wou will also not get #bindView fired a ridiculous >> > number of times. >> >> > On Aug 15, 5:26 pm, William Ferguson <[email protected]> >> > wrote: >> >> OK, further info. >> >> >> As could be seen from #newView, I was handling the onClick on the >> >> CheckedTextView myself and this was because I was using a normal >> >> Activity instead of a ListActivity. >> >> When I switched to a ListActivity, implemented >> >> ListActivity#onListItemClick and ditched the OnClickListener code >> >> above I noticed 2 things. >> >> 1) The CheckedText started staying checked even after scrolling (ie it >> >> starting to behave as expected). >> >> 2) Every time I toggle a list item, #bindView is being called once for >> >> each visible item. >> >> >> Its great that this has made it started working. But >> >> a) I don't understand why it wasn't working before >> >> b) 2 from above seems pretty wasteful. Why should #bindView be called >> >> from all visible items just because one item has been checked/ >> >> unchecked? >> >> >> On Aug 15, 4:29 pm, William Ferguson <[email protected]> >> >> wrote: >> >> >> > Um, sorry, in attempting to simplify the example that I presented to >> >> > you I didn't manage a full text search and replace. >> >> > The text for #bindView should have read (and does in the running code) >> >> >> > @Override >> >> > public void bindView(View view, Context context, Cursor cursor) { >> >> > final CheckedTextView checkedText = (CheckedTextView) view; >> >> > final MyCursor myCursor = (MyCursor) cursor; >> >> >> > final Long rowId = myCursor.getRowId(); >> >> >> > checkedText.setChecked(rowModel.isSelected(rowId)); >> >> > checkedText.setText(myCursor.getDescription()); >> >> > checkedText.setTag(rowId); >> >> >> > Log.v(TAG, "rowId=" + rowId + " settingChecked=" + >> >> > rowModel.isSelected(rowId)); >> >> > } >> >> >> > On Aug 14, 11:15 pm, Paul Turchenko <[email protected]> wrote: >> >> >> > > I believe the issue is that you're getting rowId from >> >> > > rawContactsCursor (bindView method) which stays on the same record. >> >> > > IMO you should get row id from cursor coming to you in bindView. This >> >> > > way you'll get rowId for the record you are currently binding. >> >> > > To be simple, you are binding to the wrong record. >> >> >> > > On Aug 14, 7:50 am, William Ferguson <[email protected]> >> >> > > wrote: >> >> >> > > > I have a ListView that just contains a CheckedTextView. >> >> > > > I have a very simple CursorAdapter that populates CheckedTextViews. >> >> > > > When I click on an item, I can see that I am responding to the >> >> > > > correct >> >> > > > row, store the value in my model and the CheckedText gets checked. >> >> >> > > > However, when I scroll down and then back up again, while I see that >> >> > > > the model contains the correct value (in #bindView), calling >> >> > > > #setChecked on the CheckedTextView has no effect. Ie All items are >> >> > > > unchecked. >> >> >> > > > Its gotta be something simple, but I can't see it. Any ideas? >> >> >> > > > public final class SimpleAdapter extends CursorAdapter { >> >> >> > > > private static final String TAG = "SimpleAdapter"; >> >> >> > > > private final LayoutInflater inflater; >> >> > > > private final RowModel rowModel = new RowModel(); >> >> >> > > > public SimpleAdapter(Activity context, MyCursor cursor) { >> >> > > > super(context, cursor, true); >> >> > > > inflater = (LayoutInflater) >> >> > > > context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); >> >> > > > } >> >> >> > > > @Override >> >> > > > public View newView(Context context, Cursor cursor, ViewGroup >> >> > > > parent) { >> >> > > > final CheckedTextView checkedText = (CheckedTextView) >> >> > > > inflater.inflate(android.R.layout.simple_list_item_multiple_choice, >> >> > > > parent, false); >> >> >> > > > final MyCursor myCursor = (MyCursor) cursor; >> >> > > > checkedText.setText(myCursor.getDescription()); >> >> >> > > > final Long rowId = rawContactsCursor.getRowId(); >> >> > > > checkedText.setChecked(rowModel.isSelected(rowId)); >> >> > > > Log.v(TAG, "rowId=" + rowId + " settingChecked=" + >> >> > > > rowModel.isSelected(rowId)); >> >> >> > > > checkedText.setTag(rowId); >> >> >> > > > checkedText.setOnClickListener(new View.OnClickListener() { >> >> > > > public void onClick(View view) { // Toggle whether the >> >> > > > Row >> >> > > > is selected or not. >> >> > > > final Long id = (Long) view.getTag(); >> >> > > > Log.v(TAG, "toggling rowId=" + rowId); >> >> > > > final boolean checked = rowModel.toggleSelected(id); >> >> > > > final CheckedTextView checkedTextView = >> >> > > > (CheckedTextView) view; >> >> > > > checkedTextView.setChecked(checked); >> >> > > > } >> >> > > > }); >> >> >> > > > return checkedText; >> >> > > > } >> >> >> > > > @Override >> >> > > > public void bindView(View view, Context context, Cursor cursor) >> >> > > > { >> >> > > > final CheckedTextView checkedText = (CheckedTextView) view; >> >> >> > > > final MyCursor myCursor = (MyCursor) cursor; >> >> > > > checkedText.setText(myCursor.getDescription()); >> >> >> > > > final Long rowId = rawContactsCursor.getRowId(); >> >> > > > checkedText.setChecked(rowModel.isSelected(rowId)); >> >> > > > Log.v(TAG, "rowId=" + rowId + " settingChecked=" + >> >> > > > rowModel.isSelected(rowId)); >> >> >> > > > checkedText.setTag(rowId); >> >> > > > } >> >> >> > > > } >> >> > -- >> > You received this message because you are subscribed to the Google >> > Groups "Android Developers" group. >> > To post to this group, send email to [email protected] >> > To unsubscribe from this group, send email to >> > [email protected] >> > For more options, visit this group at >> >http://groups.google.com/group/android-developers?hl=en >> >> -- >> Romain Guy >> Android framework engineer >> [email protected] >> >> Note: please don't send private questions to me, as I don't have time >> to provide private support. All such questions should be posted on >> public forums, where I and others can see and answer them > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Romain Guy Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support. All such questions should be posted on public forums, where I and others can see and answer them -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
