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class customAdapter extends BaseAdapter {
    List < messages > displayList;

    public customAdapter(List < messages > list) {
        this.displayList = list;
    }

    @Override
    public int getCount() {
        return displayList.size();
    }

    @Override
    public Object getItem(int position) {
        return null;
    }

    @Override
    public long getItemId(int position) {
        return 0;
    }

    @Override
    public View getView(int position, View view, ViewGroup parent) {
        position = (displayList.size() - 1) - position; //To Reverse the List
        view = getLayoutInflater().inflate(R.layout.custom_layout_2, null);
        ImageView deleteButton = view.findViewById(R.id.deleteMsgButton);
        TextView messageTitle = view.findViewById(R.id.message);
        TextView senderName = view.findViewById(R.id.sender);
        TextView time = view.findViewById(R.id.time);
;
        deleteButton.setTag(position);
        deleteButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int position = (Integer) v.getTag(); //To get position value into onClickListener
            }
        });
        return view;
    }
}

//To scroll down the list to last element

lv.setSelection(customAdapter.getCount() - 1);