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 Guy
www.curious-creature.org
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