ListView Data got cleared on scrolling [duplicate]

Answer 1

In similar situations like listview with checkboxes,radiobuttons,count box etc I use to do as follows 1) keep an arraylist with a size similar to the listview(number of rows) 2) this array/arraylist will be initialized in the constructor of adapter class with all positions as zero 3) inside getView() after declaring checkbox and setting its tag as position

public class Conference_listViewAdapter extends BaseAdapter {
    Activity context;
    LayoutInflater inflater;
    public static List data = null;
    ArrayList id_list = new ArrayList();
     ArrayList myarray=new java.util.ArrayList();   
    ViewHolder holder;
    int pos;


    public Conference_listViewAdapter(Activity context,List list, ArrayList id_list) {
        data = list;
        this.id_list = id_list;
        this.context = context;
for(int i=0;i

always this saves my issues with listview scrolling..