Nilai.java

public void RefrestList() {

        ArrayList<NameValuePair> postParameters = new ArrayList<NameValuePair>();
        postParameters.add(new BasicNameValuePair("npm", load_npm));

        try {
            response = CustomHttpClient.executeHttpPost(
                    Connection.IP + Connection.URL_nilai,
                    postParameters);
            String res = response.toString();
            res = res.trim();

            // hasil php di eksekusi ke Java
            jsonResult = res;
            jObject = new JSONObject(jsonResult);

            // ambil nama data array dari json_encode
            JSONArray menuitemArray = jObject.getJSONArray("hasil");

            for (int i = 0; i < menuitemArray.length(); i++) {

                //menampilkan list matakuliah
                JSONObject arr = menuitemArray.getJSONObject(i);

                String arrayid = arr.getString("id");
                String arraymk = arr.getString("mata_kuliah");
                String arrayna = arr.getString("nilai_akhir");
                String arrayuts = arr.getString("uts");
                String arrayuas = arr.getString("uas");

                HashMap<String, String> map = new HashMap<String, String>();

                map.put("id", arrayid);
                map.put("mata_kuliah", arraymk);
                map.put("nilai_akhir", arrayna);
                map.put("uts", arrayuts);
                map.put("uas", arrayuas);

                daftar_nilai.add(map);

            }

        } catch (Exception e) {
            Toast.makeText(Nilai.this,
                    "Koneksi Gagal !", Toast.LENGTH_LONG)
                    .show();
        }

        ListAdapter adapter = new SimpleAdapter(this, daftar_nilai,
                R.layout.layout_list_nilai, new String[] { "id",
                        "mata_kuliah", "nilai_akhir" , "uts", "uas"}, new int[] {
                        R.id.textview_idnilai, R.id.textview_matkul_nilai,
                        R.id.textview_nilai,R.id.textview_nilaiuts, R.id.textview_nilaiuas });

        listviewew.setAdapter(adapter);
        listviewew.setSelected(true);
        listviewew.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> parent, View view,int position, long id) {

                // menampilkan isi pop-up
                String nimk = ((TextView) view.findViewById(R.id.textview_matkul_nilai)).getText().toString();
                String niuts = ((TextView) view.findViewById(R.id.textview_nilaiuts)).getText().toString();
                String niuas = ((TextView) view.findViewById(R.id.textview_nilaiuas)).getText().toString();

                sound_button.start();
                detail = new Dialog(Nilai.this,android.R.style.Theme_Translucent);
                detail.requestWindowFeature(Window.FEATURE_NO_TITLE);
                detail.setCancelable(true);
                detail.setContentView(R.layout.layout_nilai_detail);

                uts = (TextView) detail.findViewById(R.id.textview_detailuts);
                uas = (TextView) detail.findViewById(R.id.textview_detailuas);
                mk = (TextView) detail.findViewById(R.id.textview_detailmk);

                mk.setText(""+nimk);
                uts.setText(""+niuts);
                uas.setText(""+niuas);

                close = (ImageView) detail.findViewById(R.id.button_close);
                close.setOnClickListener(new View.OnClickListener() {

                    @Override
                    public void onClick(View vp) {
                        sound_button.start();
                        detail.dismiss();
                    }
                });

                //Toast.makeText(DaftarNilai.this, "Set Selected Listview",Toast.LENGTH_SHORT).show();
                detail.show();
            }
        });
    }