Android Popup Dialog(팝업 다이얼로그)

클래스 내부에서 함수로 팝업 다이얼로그를 구현

/**
 * 검색 카테고리 팝업 설정
 */
private void setPopupSearchCategory() {
    setSearchCategoryList();

    LayoutInflater inflater = getLayoutInflater();
    View convertView = inflater.inflate(R.layout.popup_search_category, null);

    AlertDialog.Builder builder = new AlertDialog.Builder(context);
    builder.setView(convertView);

    TextView tvTitle    = (TextView) convertView.findViewById(R.id.tv_title);
    Button btnClose     = (Button) convertView.findViewById(R.id.btn_popup_close);
    ListView listView   = (ListView) convertView.findViewById(R.id.lv_search_key_all);

    int keyIndex = searchKeySpnAdapter.selectedPosition;
    String title = getResources().getString(R.string.select) + " " + searchKeyList.get(keyIndex);
    tvTitle.setText(title);
    listView.setAdapter(new SearchPopupAdapter(context, searchCategoryList));

    final AlertDialog dialog = builder.create();
    dialog.show();

    btnClose.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            dialog.dismiss();
        }
    });
    listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            String category = searchCategoryList.get(position);
            etSearch.setText(category);
            ToastUtil.showShortToast(context, category, true);
            dialog.dismiss();
        }

    });
}