Listview Using Custom Adapter

public class Mainactivity extends FragmentActivity{
      private ArrayList<Places> list = new ArrayList<Places>();
      private PlaceListAdapter mPlaceListAdapter;
private ListView placelistview;
       @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.nearbydreserlistview_layout);
               placelistview = (ListView)findViewById(R.id.placelistview);
              list.add(new Places("a"));
              list.add(new Places("b"));
              list.add(new Places("c"));
              list.add(new Places("d"));
              mPlaceListAdapter = new PlaceListAdapter(context, list);
    placelistview.setAdapter(mPlaceListAdapter);
       }
      public class PlaceListAdapter extends BaseAdapter {
private Context mContext;
private ArrayList<Places> mplaceList;
private LayoutInflater mLayoutInflater = null;

public PlaceListAdapter(Context context, ArrayList<Places> list) {
mContext = context;
mplaceList = list;
mLayoutInflater = (LayoutInflater)            mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return mplaceList.size();
}
@Override
public Object getItem(int pos) {
return mplaceList.get(pos);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
try {
final ListViewHolder viewHolder;
if (convertView == null) {
LayoutInflater li = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = li.inflate(R.layout.placelistadapter_layout, parent,false);
viewHolder = new ListViewHolder(convertView);
convertView.setTag(viewHolder);
} else {
viewHolder = (ListViewHolder) convertView.getTag();
}
viewHolder.name.setText(mplaceList.get(position).getName());
} catch (Exception e) {
e.printStackTrace();
}
return convertView;
}
}
class ListViewHolder {
   public TextView name;
   public ListViewHolder(View base){
    super();
    try {
    name= (TextView) base.findViewById(R.id.txt_name);
    }catch(Exception e){e.printStackTrace();}
   }
}
}