How to display drop-down list view below specific view in Android?

Question

I have one filter button. I need to open an extensible / popup filter as shown below. I tried the popup menu and Listpopup window, but I did not get any success.

thanks in advance

Answer 1

I made the code using the comments above. but the code is as follows.

    final View popUpView = getLayoutInflater().inflate(R.layout.exp, null);
    listPopupWindow = new PopupWindow(popUpView, LinearLayout.LayoutParams.WRAP_CONTENT,
            LinearLayout.LayoutParams.WRAP_CONTENT, true);
    expandableListView= (ExpandableListView) popUpView.findViewById(R.id.expandableListView);
    btnticker.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {

            expandableListDetail = ExpandableListDataPump.getData();
            expandableListTitle = new ArrayList<String>(expandableListDetail.keySet());

            expandableListAdapter = new CustomExpandableListAdapter(MainActivity.this, expandableListTitle, expandableListDetail);
            expandableListView.setAdapter(expandableListAdapter);

            listPopupWindow.showAsDropDown(v);
        }
    });

Answer 2

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