Hi, What exactly are you trying to do? Can you please explain?
Thanks and Regards, Kumar Bibek On Mar 25, 3:17 pm, Anton Pirker <[email protected]> wrote: > Hi! > > I have a ListView with a custom Adapter that extends ArrayAdapter. It's > a ArrayAdapter of Type Artist. (There are about 1200 artists in my list) > > Artist is a very small class that has a name and an id. The Artist Class > has toString() overridden to return just the name. > > I have an EditText. The EditText has an TextChangeListener where i call > .getFilter().filter(chars, callback) on my adapter. > > In the Filter.Filterlistener().onComplete() callback i print the count > and it looks really good. As i type the count decreases. So it seams > everything works as advertised, but the List stays the same. I tried to > call artistAdapter.notifyDataSetChanged() to force the list to redraw, > but nothing happens. [see 2.)] > > I am tinkering around for days now! I am desperate.. Hopefully someone > can have a look on my code and tell me what i am doing wrong! How can i > force the list to be redrawn? > > Thanks! > > (I have posted this question also on > stackoverflow:http://stackoverflow.com/questions/2505800/filtered-listview-not-updated) > > Here is what i have done: > > 1.) Defined a ListView and an EditText like this: > > <EditText xmlns:android="http://schemas.android.com/apk/res/android"; > android:id="@+id/list_search_text" > android:layout_width="fill_parent" > android:layout_height="35dip" > android:layout_below="@id/header"> > </EditText> > <ListView xmlns:android="http://schemas.android.com/apk/res/android"; > android:id="@+id/list_search" > android:layout_width="fill_parent" > android:layout_height="fill_parent"> > </ListView> > > 2.) Setup my ListView in the Activities onCreate(): > > private ListView listView = null; > private ArtistAdapter artistAdapter = null; > > @Override > protected void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > setContentView(R.layout.search_artists); > > artistAdapter = new ArtistAdapter(this, R.layout.row, list); // > 'list' is an ArrayList<Artist> > > listView = (ListView) findViewById(R.id.list_search); > listView.setAdapter(artistAdapter); > listView.setFastScrollEnabled(true); > listView.setTextFilterEnabled(true); > > listView.setOnItemClickListener(new OnItemClickListener() { > public void onItemClick(AdapterView<?> av, View v, int > position, long id) { > // do something > } > }); > > EditText txtSearch = (EditText) findViewById(R.id.list_search_text); > txtSearch.addTextChangedListener(new TextWatcher() { > public void afterTextChanged(Editable arg0) { } > > public void beforeTextChanged(CharSequence arg0, int arg1, > int arg2, int arg3) { } > > public void onTextChanged(CharSequence chars, int start, int > before, int count) { > artistAdapter.getFilter().filter(chars, new > Filter.FilterListener() { > public void onFilterComplete(int count) { > Log.d(Config.LOG_TAG, "filter complete! count: " > + count); > artistAdapter.notifyDataSetChanged(); > } > }); > } > }); > } > > 3.) This is my ArtistAdapter in short. I added an remove() and add() method: > > public class ArtistAdapter extends ArrayAdapter<Artist> implements > SectionIndexer { > private List<Artist> items; > > /* other stuff like overridden getView, getPositionForSection, > getSectionForPosition and so on */ > > @Override > public void remove(Artist object) { > super.remove(object); > items.remove(object); > } > > @Override > public void add(Artist object) { > super.add(object); > items.add(object); > } > } > > 4.) My artist has also the toString() overridden: > > public class Artist implements Comparable<Artist> { > public String uid; > public String name; > > public Artist(String id, String name) { > this.uid = id; > this.name = name; > } > > public int compareTo(Artist another) { > return this.name.compareToIgnoreCase(another.name); > } > > @Override > public String toString() { > return this.name; > } > } > > -- > DI(FH) Anton Pirker > > ------------------------------ > cross platform mobile software > burggasse 123/53 > a-1070 wien > tel: +43 699 1234 0 456 > skype: antonpirker > > http://anton-pirker.at -- 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 To unsubscribe from this group, send email to android-developers+unsubscribegooglegroups.com or reply to this email with the words "REMOVE ME" as the subject.
