I finally fixed it all!
This is my final code:
public class BezoekverslagDetailsListAdapter extends ArrayAdapter<Vraag>{
public Context context;
public List<Vraag> vragen;
ViewHolder holder;
int i;
public BezoekverslagDetailsListAdapter(Activity context, List<Vraag> vragen){
super(context, R.layout.vraag_item, vragen);
this.context = context;
this.vragen = vragen;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View view = null;
convertView = null;
final Vraag vraag = vragen.get(position);
if(convertView == null) {
LayoutInflater inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
view = inflater.inflate(R.layout.vraag_item, null, false);
holder = new ViewHolder();
holder.vraag = (TextView)view.findViewById(R.id.tv_vraag);
holder.group = (RadioGroup)view.findViewById(R.id.toggleGroup);
holder.position = position;
holder.toggle = new ToggleButton(context);
for(final Antwoord a : vraag.getAntwoorden()){
holder.toggle = new ToggleButton(context);
holder.toggle.setText(a.getAntwoord());
holder.toggle.setTextOn(a.getAntwoord());
holder.toggle.setTextOff(a.getAntwoord());
holder.toggle.setId(i);
holder.toggle.setChecked(a.getSelected());
if(a.getVisible() == false){
holder.toggle.setVisibility(ToggleButton.INVISIBLE);
}
holder.toggle.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View view)
{
// your click actions go here
((RadioGroup)view.getParent()).check(view.getId());
if(a.getSelected()==true){
a.setSelected(false);
}
else if(a.getSelected()==false){
for(Antwoord b: vraag.getAntwoorden()){
if(b.getSelected()==true){
b.setSelected(false);
}
}
a.setSelected(true);
vraag.setAntwoord(a.getAntwoord());
}
}
});
i++;
holder.group.addView(holder.toggle);
}
view.setTag(holder);
}
else{
view = convertView;
holder = (ViewHolder) view.getTag();
}
ViewHolder viewholder = (ViewHolder) view.getTag();
viewholder.vraag.setText(vraag.getVraag());
holder.group.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener(){
public void onCheckedChanged(RadioGroup group, int checkedId){
for (int j = 0; j < group.getChildCount(); j++) {
final ToggleButton view = (ToggleButton) group.getChildAt(j);
view.setChecked(view.getId() == checkedId);
//vragen.get(holder.position).getAntwoorden().get(view.getId()).setSelected(view.getId() == checkedId);
}
}
});
view.setTag(viewholder);
return view;
}
static class ViewHolder {
TextView vraag;
RadioGroup group;
ToggleButton toggle;
int position;
}
}