在android中勾选RecycerView中的复选框后，其他随机复选框将自动勾选

Question

public class LeadListAdapter extends RecyclerView.Adapter<LeadListAdapter.LeadListViewHolder> {

private List<Customer> customerDataList;
private Activity mActivity;
public static List<PEdgeLeads> selectedLeadsList;
public static List<Customer> selectedCustomerList;
private List<PEdgeLeads> leadDataList;
private int dataSize = 0;
public static Context mContextAdapter;

public LeadListAdapter(List<Customer> customerDetails, List<PEdgeLeads> leadDetails, Activity activity) {

    System.out.println("Inside LeadList Adapter Constructor");
    leadDataList = new ArrayList<PEdgeLeads>();
    customerDataList = new ArrayList<Customer>();
    selectedLeadsList = new ArrayList<PEdgeLeads>();
    selectedCustomerList = new ArrayList<Customer>();

    dataSize = leadDataList.size();
    System.out.println("lead list :: " + leadDataList.size() + " and customer data list :: " + customerDataList.size());

    this.customerDataList = customerDetails;
    this.leadDataList = leadDetails;
    System.out.println("Lead Details List :: " + this.leadDataList.get(0).getLeadName());
    System.out.println("Customer Details List :: " + this.customerDataList.get(0).getFirstName());
    this.mActivity = activity;
}

@Override
public LeadListAdapter.LeadListViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) {

    View itemView = LayoutInflater.
            from(viewGroup.getContext()).
            inflate(R.layout.lead_list_view, viewGroup, false);
    System.out.println("Inflating Lead List View NOW");

    return new LeadListViewHolder(itemView);
}

@Override
public void onBindViewHolder(final LeadListAdapter.LeadListViewHolder viewHolder, final int position) {

    viewHolder.leadName.setText(leadDataList.get(position).getLeadName());

    //if (customerDataList.size() < position) {

    if (!customerDataList.get(position).getContactNumber().equals("") || customerDataList.get(position).getContactNumber() != null) {
        final String mobileNumber = customerDataList.get(position).getContactNumber().toString().trim();

        viewHolder.leadMobile.setText(mobileNumber);
        System.out.println("Mobile NUmber about to get registered");

    boolean isChecked = viewHolder.isLeadChecked;

    viewHolder.leadCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            if (isChecked) {
                System.out.println("Lead Added to list");
                selectedCustomerList.add(customerDataList.get(position));
                selectedLeadsList.add(leadDataList.get(position));
                System.out.println("Selected Lead List :: " + selectedLeadsList.toString());
                System.out.println("Selected Customer List :: " + selectedCustomerList.toString());
            } else {
                System.out.println("Lead removed from list");
                selectedCustomerList.remove(customerDataList.get(position));
                selectedLeadsList.remove(leadDataList.get(position));
                System.out.println("Selected Lead List :: " + selectedLeadsList.toString());
                System.out.println("Selected Customer List :: " + selectedCustomerList.toString());
            }
        }
    });
}

@Override
public int getItemCount() {
    return leadDataList.size();
}

public static class LeadListViewHolder extends RecyclerView.ViewHolder {

    protected TextView leadName;
    protected TextView leadEmail;
    protected TextView leadMobile;
    protected TextView redPopup;
    protected TextView greyPopup;
    protected CheckBox leadCheckBox;
    protected View verticalSeparator;
    protected boolean isLeadChecked;

    public LeadListViewHolder(View v) {
        super(v);

        leadName = (TextView) v.findViewById(R.id.lead_name);

        leadEmail = (TextView) v.findViewById(R.id.lead_email);

        leadMobile = (TextView) v.findViewById(R.id.lead_mobile);

        redPopup = (TextView) v.findViewById(R.id.red_popup);

        greyPopup = (TextView) v.findViewById(R.id.grey_popup);

        leadCheckBox = (CheckBox) v.findViewById(R.id.lead_checkbox);

        verticalSeparator = v.findViewById(R.id.separator);

        mContextAdapter = v.getContext();

        isLeadChecked = false;

        System.out.println("Got Lead Name's Id and handle");

       }
   }
}

Answer 1

您正在使用RecycerView。您遇到的功能是回收部分。

列表项被移除并重用--如果在视图中选中了该框，那么在滚动时附加到另一端的新视图也将选中该框，因为在回调中只更改leadcheckbox的状态。

您应该始终使用视图的当前状态初始化视图。如果它被检查了，就检查它，如果它不是，就不要。