java adapter

public class InboxAdapter extends ArrayAdapter<InboxBO> {

    NotificationInbox fragment;
    Context context;
    List<InboxBO> inboxForSharedPref;
    List<InboxBO> inboxList;
    int layoutResID;
    SharedPreferences prefs;
    private ArrayList<InboxBO> inboxarraylist;
    private SparseBooleanArray mSelectedItemIds;

    public InboxAdapter(Context context, int layoutResourceID, List<InboxBO> objs, NotificationInbox fragment) {
        super(context, layoutResourceID, objs);
        mSelectedItemIds = new SparseBooleanArray();
        this.context = context;
        this.inboxList = objs;
        this.layoutResID = layoutResourceID;
        this.inboxarraylist = new ArrayList<InboxBO>();
        this.inboxarraylist.addAll(inboxList);
        this.fragment = fragment;
    }



    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        inboxHolder inboxholder;
        View view = convertView;
        if (view == null) {
            view = ((LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE)).inflate(layoutResID, parent, false);
            //LayoutInflater inflater = ((LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE));
            //LayoutInflater inflater = LayoutInflater.from(getContext());
            //inflater.inflate(R.layout.activity_inbox_item, null);
            inboxholder = new inboxHolder();
            //view = inflater.inflate(layoutResID, parent, false);
            prefs = context.getSharedPreferences(
                    Constants.PREF_NAME, 0);

            inboxholder.swipeLayout = (SwipeLayout)view.findViewById(R.id.swipe_layout);
            inboxholder.senderNameText = (TextView) view.findViewById(R.id.senderNameText);
            inboxholder.pushDateText = (TextView) view.findViewById(R.id.pushDateText);
            inboxholder.pushTimeText = (TextView) view.findViewById(R.id.pushTimeText);
            inboxholder.messageText = (TextView) view.findViewById(R.id.messageText);
            inboxholder.delete = (TextView)view.findViewById(R.id.delete);
            inboxholder.itemLayout = (RelativeLayout) view.findViewById(R.id.relativeViewInbox);
            inboxholder.swipeLayout.setShowMode(SwipeLayout.ShowMode.PullOut);
            inboxholder.delete.setOnClickListener(onDeleteListener(position, inboxholder));
            view.setTag(inboxholder);
        }
        else {
            inboxholder = (inboxHolder) view.getTag();
        }

        InboxBO mItem =     inboxList.get(position);
        if(mItem!=null){
            inboxholder.senderNameText.setText((String)mItem.getTitle());
            inboxholder.pushDateText.setText(new Date().toString());
            inboxholder.pushTimeText.setText(new Date().toString());
            inboxholder.messageText.setText((String)mItem.getMessage());
        }
        return view;
    }

    // For swipe action
    private View.OnClickListener onDeleteListener(final int position, final inboxHolder holder) {
        return new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                AlertDialog.Builder alert = new AlertDialog.Builder(
                        context);
                alert.setTitle("Delete Message");
                alert.setMessage("Are you sure you wish to delete this message?");
                alert.setPositiveButton("Yes", new DialogInterface.OnClickListener() {

                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        inboxList.remove(position);
                        Gson gson = new Gson();
                        inboxForSharedPref = fragment.getStoredMessages();
                        inboxForSharedPref = inboxList;
                        String jsonSavePref = gson.toJson(inboxForSharedPref);
                        fragment.commitToStoredList(jsonSavePref);
                        Toast.makeText(context, "Message Deleted!",
                                Toast.LENGTH_SHORT).show();
                        holder.swipeLayout.close();
                        fragment.retrieveMessage();
                        dialog.dismiss();
                    }
                });

                alert.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {

                    @Override
                    public void onClick(DialogInterface dialog, int which) {

                        dialog.dismiss();
                    }
                });

                alert.show();
            }
        };
    }

    // Algorithm to filter out listview based on text changed in listview searchbox
    public void filter(String charText) {
        charText = charText.toLowerCase(Locale.getDefault());
        inboxList.clear();
        if (charText.length() == 0) {
            inboxList.addAll(inboxarraylist);
        }
        else
        {
            for (InboxBO ilist : inboxarraylist)
            {
                if (ilist.getDate().toLowerCase(Locale.getDefault()).contains(charText) || ilist.getMessage().toLowerCase(Locale.getDefault()).contains(charText) || ilist.getSendername().toLowerCase(Locale.getDefault()).contains(charText))
                {
                    inboxList.add(ilist);
                }
            }
        }
        notifyDataSetChanged();
    }


    public static class inboxHolder {
        TextView senderNameText, pushDateText, pushTimeText, messageText, delete, title;
        RelativeLayout itemLayout;
        private SwipeLayout swipeLayout;
    }

    // Methods below are for multi-deletion
    public void  toggleSelection(int position) {
        selectView(position, !mSelectedItemIds.get(position));
    }
    // Remove selection after unchecked
    public void  remove(InboxBO object) {
        inboxList.remove(object);
        Gson gson = new Gson();
        inboxForSharedPref = fragment.getStoredMessages();
        inboxForSharedPref = inboxList;
        String jsonSavePref = gson.toJson(inboxForSharedPref);
        fragment.commitToStoredList(jsonSavePref);
        notifyDataSetChanged();
    }

    // Item checked on selection
    public void selectView(int position, boolean value) {
        if (value)
            mSelectedItemIds.put(position,  value);
        else
            mSelectedItemIds.delete(position);
        notifyDataSetChanged();
    }

    // Get number of selected item
    public int  getSelectedCount() {
        return mSelectedItemIds.size();
    }

    public  SparseBooleanArray getSelectedIds() {
        return mSelectedItemIds;
    }

    public void removeSelection() {
        mSelectedItemIds = new SparseBooleanArray();
        notifyDataSetChanged();
    }



}