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的價值觀我有這樣的ListView適配器：獲取ListView中選定項目
public class UpicksAdapter extends BaseAdapter
{
Context context;
List<Upick> upick_list;
public UpicksAdapter(List<Upick> listValue, Context context)
{
this.context = context;
this.upick_list = listValue;
}
@Override
public int getCount()
{
return this.upick_list.size();
}
@Override
public Object getItem(int position)
{
return this.upick_list.get(position);
}
@Override
public long getItemId(int position)
{
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent)
{
ViewItem viewItem = null;
if(convertView == null)
{
viewItem = new ViewItem();
LayoutInflater layoutInfiater = (LayoutInflater)this.context.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
convertView = layoutInfiater.inflate(R.layout.listview_items, null);
viewItem.SubNameTextView = (TextView)convertView.findViewById(R.id.SubjectNameTextView);
viewItem.SubFullFormTextView = (TextView)convertView.findViewById(R.id.SubjectFullFormTextView);
convertView.setTag(viewItem);
}
else
{
viewItem = (ViewItem) convertView.getTag();
}
viewItem.SubNameTextView.setText(upick_list.get(position).Subject_Name);
viewItem.SubFullFormTextView.setText(upick_list.get(position).Subject_Full_Form);
return convertView;
}
}
class ViewItem
{
TextView SubNameTextView;
TextView SubFullFormTextView;
}
ListView控件是一個片段。
我需要從listview選定的項目中獲取數據。我有這個聽衆：
UpicksListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
String item = UpicksListView.getItemAtPosition(position).toString();
Log.d("VALOR","VALOR "+item);
}
});
我怎樣才能得到所選項目的值？
編輯：
完整的分段代碼：
public class MisUpicksFragment extends Fragment {
// TODO: Rename parameter arguments, choose names that match
// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
private static final String ARG_PARAM1 = "param1";
private static final String ARG_PARAM2 = "param2";
private SessionManager session;
private ProgressDialog loading;
private EditText txtbusqueda;
private Button botonbuscar,botonrefrescar;
//movies
private static final String TAG = MainActivity.class.getSimpleName();
public List<Upick> upicks;
private RecyclerView recyclerView;
private GridLayoutManager gridLayout;
private UpicksAdapter adapter;
// TODO: Rename and change types of parameters
private String mParam1;
private String mParam2;
private String user_id;
private Button btnNew;
ListView UpicksListView;
ProgressBar progressBar;
String HttpURL = "http://***/upicks_todos.php";
private OnFragmentInteractionListener mListener;
public MisUpicksFragment() {
// Required empty public constructor
}
/**
* Use this factory method to create a new instance of
* this fragment using the provided parameters.
*
* @param param1 Parameter 1.
* @param param2 Parameter 2.
* @return A new instance of fragment MensajesFragment.
*/
// TODO: Rename and change types and number of parameters
public static MisUpicksFragment newInstance(String param1, String param2) {
MisUpicksFragment fragment = new MisUpicksFragment();
Bundle args = new Bundle();
args.putString(ARG_PARAM1, param1);
args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_misupicks, container, false);
UpicksListView = (ListView) view.findViewById(R.id.UpicksListView);
progressBar = (ProgressBar) view.findViewById(R.id.ProgressBar1);
new ParseJSonDataClass(getActivity()).execute();
UpicksListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
String item = UpicksListView.getItemAtPosition(position).toString();
Log.d("VALOR","VALOR "+item);
}
});
return view;
}
private class ParseJSonDataClass extends AsyncTask<Void, Void, Void> {
public Context context;
String FinalJSonResult;
List<Upick> upickFullFormList;
public ParseJSonDataClass(Context context) {
this.context = context;
}
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected Void doInBackground(Void... arg0) {
HttpServiceClass httpServiceClass = new HttpServiceClass(HttpURL);
try {
httpServiceClass.ExecutePostRequest();
if (httpServiceClass.getResponseCode() == 200) {
FinalJSonResult = httpServiceClass.getResponse();
if (FinalJSonResult != null) {
JSONArray jsonArray = null;
try {
jsonArray = new JSONArray(FinalJSonResult);
JSONObject jsonObject;
Upick upick;
upickFullFormList = new ArrayList<Upick>();
for (int i = 0; i < jsonArray.length(); i++) {
upick = new Upick();
jsonObject = jsonArray.getJSONObject(i);
upick.Subject_Name = jsonObject.getString("id_servicio");
upick.Subject_Full_Form = jsonObject.getString("cliente_servicio");
upickFullFormList.add(upick);
}
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
} else {
Toast.makeText(context, httpServiceClass.getErrorMessage(), Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void result)
{
progressBar.setVisibility(View.GONE);
UpicksListView.setVisibility(View.VISIBLE);
if (upickFullFormList != null) {
UpicksAdapter adapter = new UpicksAdapter(upickFullFormList, context);
UpicksListView.setAdapter(adapter);
}
}
}
private void logoutUser() {
session.setLogin(false);
// Launching the login activity
Intent intent = new Intent(getActivity(), LoginActivity.class);
startActivity(intent);
//finish();
}
@Override
public void onDetach() {
super.onDetach();
mListener = null;
}
/**
* This interface must be implemented by activities that contain this
* fragment to allow an interaction in this fragment to be communicated
* to the activity and potentially other fragments contained in that
* activity.
* <p>
* See the Android Training lesson <a href=
* "http://developer.android.com/training/basics/fragments/communicating.html"
* >Communicating with Other Fragments</a> for more information.
*/
public interface OnFragmentInteractionListener {
// TODO: Update argument type and name
void onFragmentInteraction(Uri uri);
}
}
你傳遞給listview適配器的ArrayList的名稱是什麼？ 顯示我的代碼也 –