Could you please explain what you are witnessing? (I work on ListView,
I'd like to help... :)
There's another issue in your code. In the for loop, you are comparing
a position (arg2) with an index (i). These are different and mixing
them will cause tons of "weird" issues.
On Wed, Oct 22, 2008 at 7:49 PM, kingkung <[EMAIL PROTECTED]> wrote:
>
> I kind of wanted people to try it and find out :) I can try that, but
> it doesn't look like it's a race condition (like something gets called
> too early or something) of any kind... it's a very distinct pattern of
> behavior that's happening, though it's not what I would consider the
> expected behavior...
>
> On Oct 22, 7:40 pm, "Romain Guy" <[EMAIL PROTECTED]> wrote:
>> You haven't explained what the crazy behavior is :) My bet is that you
>> call isChecked() too early. Try to postpone everything you do in the
>> OnItemClickListener by posting a Runnable into a Handler (or with
>> getListView().post()).
>>
>>
>>
>> On Wed, Oct 22, 2008 at 7:31 PM, kingkung <[EMAIL PROTECTED]> wrote:
>>
>> > I wrote a small activity which illustrates some crazy behavior I found
>> > while implementing ListView and choices. Feel free to plug this in
>> > and try it yourselves (and be sure to check logcat as well):
>>
>> > public class TestActivity extends ListActivity {
>>
>> > public String[] strings = { "What","the","devil","is","happening?"
>> > };
>>
>> > @Override
>> > public void onCreate(Bundle icicle) {
>> > super.onCreate(icicle);
>> > setContentView(R.layout.listview);
>> > getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
>> > getListView().setAdapter(new
>> > ArrayAdapter<String>(this,R.layout.main,strings));
>> > getListView().setOnItemClickListener(new OnItemClickListener()
>> > {
>> > public void onItemClick(AdapterView<?> arg0, View
>> > arg1, int arg2,
>> > long arg3) {
>> > Log.d("test","Checked: "+
>> > ((TextView)getListView().getChildAt(arg2)).getText().toString());
>> > if
>> > (getListView().isItemChecked(arg2))
>> > {
>> > for (int i=0;
>> > i<getListView().getChildCount(); i++)
>> > {
>> > if (i==arg2)
>> >
>> > getListView().getChildAt(i).setBackgroundColor(Color.MAGENTA);
>> > else
>>
>> > getListView().getChildAt(i).setBackgroundColor(Color.TRANSPARENT);
>> > }
>> > }
>> > else
>>
>> > getListView().getChildAt(arg2).setBackgroundColor(Color.TRANSPARENT);
>>
>> > }
>> > });
>> > }
>> > }
>>
>> > The R.layout.main is just your standard default TextView when you
>> > create a new project in Eclipse. The R.layout.listview is the
>> > standard LinearLayout with embedded ListView for ListActivities shown
>> > below:
>>
>> > <?xml version="1.0" encoding="utf-8"?>
>> > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/
>> > android"
>> > android:layout_width="fill_parent"
>> > android:layout_height="fill_parent"
>> > android:orientation="vertical"
>>
>> > <ListView android:id="@+id/android:list"
>> > android:layout_width="fill_parent"
>> > android:layout_height="wrap_content"
>> > />
>> > </LinearLayout>
>>
>> > Can anyone explain rationally what is causing this to happen?
>>
>> --
>> Romain Guywww.curious-creature.org
> >
>
--
Romain Guy
www.curious-creature.org
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