I used notifyDataSetChanged() and it works fine for me. Here's my
complete code with the notifyDataSetChanged() at the bottom in the
selection listener:
package com.pocketjourney.location.map;
import java.util.List;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;
import com.pocketjourney.R;
import com.pocketjourney.location.DestinationModel;
public class DestinationTypesListAdapter extends BaseAdapter
implements OnItemClickListener
{
private List<String> allTypes, activeTypes;
private ListView destinationTypeList;
public DestinationTypesListAdapter(ListView destinationTypeList)
{
this.destinationTypeList = destinationTypeList;
this.allTypes = DestinationModel.getAllDestinationTypes();
this.activeTypes = DestinationModel.getActiveDestinationTypes();
destinationTypeList.setOnItemClickListener(this);
}
public View getView(int position, View convertView, ViewGroup
parent)
{
View destinationTypeLabel = null;
if ( convertView == null )
{
LayoutInflater inflater =
(LayoutInflater)parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
destinationTypeLabel =
inflater.inflate(R.layout.list_item_destination_type, null);
} else {
destinationTypeLabel = convertView;
}
String destinationType = (String) getItem(position);
TextView destinationTypeText = (TextView)
destinationTypeLabel.findViewById(R.id.destination_type);
destinationTypeText.setText(destinationType);
ImageView typeSelectedImage= (ImageView)
destinationTypeLabel.findViewById(R.id.destination_type_selected);
if (activeTypes.contains(destinationType)) {
typeSelectedImage.setImageResource(R.drawable.list_selection_checkmark);
} else {
typeSelectedImage.setImageResource(R.drawable.empty);
}
return destinationTypeLabel;
}
public int getCount()
{
return allTypes.size();
}
@Override
public Object getItem(int position)
{
return allTypes.get(position);
}
@Override
public long getItemId(int position) {
// We can simply use the array index as a unique id.
return position;
}
/**
* Implementation of OnItemClickListener
*/
@Override
public void onItemClick(AdapterView adapterView, View view, int
position, long id)
{
String destinationType = (String) getItem(position);
if (activeTypes.contains(destinationType)) {
activeTypes.remove(destinationType);
} else {
activeTypes.add(destinationType);
}
DestinationModel.setActiveDestinationTypes(activeTypes);
notifyDataSetChanged();
}
}
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