在下面的代码中，我拿了两个微调器。一个是品牌，另一个是模特。但是数据并没有在微调中显示出来。它没有显示任何错误，但也没有显示下拉列表。
任何人都可以帮助我吗？ 代码中的错误是什么？
爪哇
public class HomeFragment extends Fragment {
public HomeFragment(){}
Fragment fragment = null;
String userId,companyId;
private String brandid = "3";
public static List<LeadResult.Users> list;
public static List<BrandResult.Brands> listBrands;
public static List<ModelResult.Models> listModels;
public static ArrayList<String> listBrands_String;
// public static List<BrandResult.Brands> list1;
String[] brand_name;
Spinner spinner1;
private RelativeLayout mRel_Ownview,mRel_publicview;
private LinearLayout mLin_Stock,mLin_Contact;
private TextView mTxt_OwnView,mTxt_PublicView;
private Map<String, String> BrandMap = new HashMap<String, String>();
private RangeSeekBar<Integer> seekBar;
private RangeSeekBar<Integer> seekBar1;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
ActionBar actionBar=getActivity().getActionBar();
actionBar.setTitle("DEVINE MECHINES");
SharedPreferences userPreference = getActivity().getSharedPreferences("UserDate", Context.MODE_PRIVATE);
userId=userPreference.getString("MYID", null);
companyId=userPreference.getString("companyId",null);
final View rootView = inflater.inflate(R.layout.layout_ownview, container, false);
spinner1=(Spinner)rootView.findViewById(R.id.brand1);
mTxt_OwnView=(TextView) rootView.findViewById(R.id.txt_OwnView);
mTxt_PublicView =(TextView) rootView.findViewById(R.id.txt_PublicView);
mRel_Ownview=(RelativeLayout)rootView.findViewById(R.id.ownview);
mRel_publicview =(RelativeLayout)rootView.findViewById(R.id.publicview);
listBrands = new ArrayList<BrandResult.Brands>();
listBrands_String = new ArrayList<String>();
listModels = new ArrayList<ModelResult.Models>();
seekBar = new RangeSeekBar<Integer>(5000, 50000,getActivity());
seekBar.setOnRangeSeekBarChangeListener(new RangeSeekBar.OnRangeSeekBarChangeListener<Integer>() {
@Override
public void onRangeSeekBarValuesChanged(RangeSeekBar<?> bar, Integer minValue, Integer maxValue) {
// handle changed range values
//Log.i(TAG, "User selected new range values: MIN=" + minValue + ", MAX=" + maxValue);
TextView seekMin = (TextView) getView().findViewById(R.id.textSeekMin);
TextView seekMax = (TextView) getView().findViewById(R.id.textSeekMax);
seekMin.setText(minValue.toString());
seekMax.setText(maxValue.toString());
}
});
seekBar1 = new RangeSeekBar<Integer>(5000, 50000,getActivity());
seekBar1.setOnRangeSeekBarChangeListener(new RangeSeekBar.OnRangeSeekBarChangeListener<Integer>() {
@Override
public void onRangeSeekBarValuesChanged(RangeSeekBar<?> bar, Integer minValue, Integer maxValue) {
// handle changed range values
//Log.i(TAG, "User selected new range values: MIN=" + minValue + ", MAX=" + maxValue);
TextView seekMin = (TextView) getView().findViewById(R.id.textSeekMin1);
TextView seekMax = (TextView) getView().findViewById(R.id.textSeekMax1);
seekMin.setText(minValue.toString());
seekMax.setText(maxValue.toString());
}
});
mTxt_OwnView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
mRel_publicview.setVisibility(View.GONE);
mTxt_OwnView.setBackgroundColor(getResources().getColor(R.color.light_blue));
mTxt_PublicView.setBackgroundColor(getResources().getColor(R.color.dark_blue));
mTxt_OwnView.setTextColor(getResources().getColor(R.color.text_white));
mTxt_PublicView.setTextColor(getResources().getColor(R.color.light_blue));
mRel_Ownview.setVisibility(View.VISIBLE);
}
});
mTxt_PublicView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
mRel_Ownview.setVisibility(View.GONE);
mTxt_PublicView.setBackgroundColor(getResources().getColor(R.color.light_blue));
mTxt_OwnView.setBackgroundColor(getResources().getColor(R.color.dark_blue));
mTxt_OwnView.setTextColor(getResources().getColor(R.color.light_blue));
mTxt_PublicView.setTextColor(getResources().getColor(R.color.text_white));
mRel_publicview.setVisibility(View.VISIBLE);
}
});
String selectedBrandId = BrandMap.get(String.valueOf(spinner1.getSelectedItem()));
// System.out.print(url);
mLin_Stock=(LinearLayout)rootView.findViewById(R.id.stock);
mLin_Stock.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
fragment =new StockFragment();
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment).commit();
}
});
mLin_Contact =(LinearLayout)rootView.findViewById(R.id.contacts);
mLin_Contact.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// getLead();
fragment = new ContactFragment();
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment).commit();
getLead();
}
});
// add RangeSeekBar to pre-defined layout
ViewGroup layout = (ViewGroup) rootView.findViewById(R.id.layout_seek);
layout.addView(seekBar);
ViewGroup layout1 = (ViewGroup) rootView.findViewById(R.id.layout_seek1);
layout1.addView(seekBar1);
getBrands();
getModels();
return rootView;
}
private void getBrands() {
String brandjson = JSONBuilder.getJSONBrand();
String brandurl = URLBuilder.getBrandUrl();
Log.d("url", "" + brandurl);
SendToServerTaskBrand taskBrand = new SendToServerTaskBrand(getActivity());
taskBrand.execute(brandurl, brandjson);
//Log.d("brandjson", "" + brandjson);
}
private void setBrand(String brandjson)
{
ObjectMapper objectMapper_brand = new ObjectMapper();
try
{
BrandResult brandresult_object = objectMapper_brand.readValue(brandjson, BrandResult.class);
String Brand_result = brandresult_object.getRESULT();
Log.i("Brand_result","Now" + Brand_result);
if(Brand_result.equals("SUCCESS"))
{
listBrands =brandresult_object.getBRANDS();
Log.i("listbrands", "List Brands" + listBrands);
/* for(int i = 0; i < listBrands.size(); i++){
listBrands_String.add(listBrands.get(i).toString());
Log.d("string is",""+ listBrands_String);
}*/
spinner_fn();
// startActivity(new Intent(getActivity().getApplicationContext(), Contact_Activity.class));
}
else
{
Toast.makeText(getActivity().getApplicationContext(), "Unable to load data please try again", Toast.LENGTH_SHORT).show();
}
}
catch (Exception e)
{
e.printStackTrace();
}
// return eNames;
}
public class SendToServerTaskBrand extends AsyncTask<String, String, String>
{
private Context mContext = null;
private ProgressDialog mProgressDialog;
public SendToServerTaskBrand(Context context)
{
mContext = context;
}
@Override
protected void onPreExecute()
{
super.onPreExecute();
mProgressDialog = ProgressDialog.show(mContext, "", "Loading...");
}
@Override
protected String doInBackground(String... params)
{
String Burl = params[0];
String Bjson = params[1];
String Bresult = UrlRequester.post(mContext, Burl, Bjson);
return Bresult;
}
@Override
protected void onPostExecute(String result)
{
super.onPostExecute(result);
setBrand(result);
Log.i("Result","Brand Result"+result);
if (mProgressDialog.isShowing())
mProgressDialog.dismiss();
}
}
private void getModels() {
String model_url = URLBuilder.getModelUrl();
String model_json = JSONBuilder.getJSONModel(brandid);
Log.d("model_json", "" + model_json);
SendToServerTaskModel taskModel = new SendToServerTaskModel(getActivity());
taskModel.execute(model_url, model_json);
}
private void setModel(String json)
{
ObjectMapper objectMapperModel = new ObjectMapper();
try
{
ModelResult modelresult_object = objectMapperModel.readValue(json, ModelResult.class);
String model_result = modelresult_object.getRESULT();
Log.d("model_result","" + model_result);
if (model_result.equals("SUCCESS"))
{
listModels =modelresult_object.getMODELS();
Log.i("listmodels", " " + listModels);
// startActivity(new Intent(getActivity().getApplicationContext(), Contact_Activity.class));
}
else
{
Toast.makeText(getActivity().getApplicationContext(), "Unable to load data please try again", Toast.LENGTH_SHORT).show();
}
}
catch (Exception e)
{
e.printStackTrace();
}
// return eNames;
}
public class SendToServerTaskModel extends AsyncTask<String, String, String>
{
private Context mContext = null;
private ProgressDialog mProgressDialog;
public SendToServerTaskModel(Context context)
{
mContext = context;
}
@Override
protected void onPreExecute()
{
super.onPreExecute();
mProgressDialog = ProgressDialog.show(mContext, "", "Loading...");
}
@Override
protected String doInBackground(String... params)
{
String url = params[0];
String json = params[1];
String result = UrlRequester.post(mContext, url, json);
return result;
}
@Override
protected void onPostExecute(String result)
{
super.onPostExecute(result);
setModel(result);
if (mProgressDialog.isShowing())
mProgressDialog.dismiss();
}
}
private void spinner_fn() {
/*ArrayAdapter<String> dataAdapter = ArrayAdapter.createFromResource(getActivity().getBaseContext(),
listBrands_String, android.R.layout.simple_spinner_item);*/
ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(getActivity().getApplicationContext()
,android.R.layout.simple_spinner_item, listBrands_String);
// ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(getActivity(), R.array.category_array, android.R.layout.simple_spinner_item);
//dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner1.setAdapter(dataAdapter);
spinner1.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> arg0, View arg1,
int position, long id) {
Log.e("Position new",""+ listBrands_String.get(position));
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {
}
});
}
private void getLead()
{
String url = URLBuilder.getLeadUrl();
String json = JSONBuilder.getJSONLead(userId, companyId);
SendToServerTask task = new SendToServerTask(getActivity());
task.execute(url, json);
}
private void setLead(String json)
{
ObjectMapper objectMapper = new ObjectMapper();
try
{
LeadResult result_object = objectMapper.readValue(json, LeadResult.class);
String lead_result = result_object.getRESULT();
Log.d("lead_result","" + lead_result);
if (lead_result.equals("SUCCESS"))
{
list=result_object.getUSERS();
// startActivity(new Intent(getActivity().getApplicationContext(), Contact_Activity.class));
}
else
{
Toast.makeText(getActivity().getApplicationContext(), "Unable to load data please try again", Toast.LENGTH_SHORT).show();
}
}
catch (Exception e)
{
e.printStackTrace();
}
// return eNames;
}
public class SendToServerTask extends AsyncTask<String, String, String>
{
private Context mContext = null;
private ProgressDialog mProgressDialog;
public SendToServerTask(Context context)
{
mContext = context;
}
@Override
protected void onPreExecute()
{
super.onPreExecute();
mProgressDialog = ProgressDialog.show(mContext, "", "Loading...");
}
@Override
protected String doInBackground(String... params)
{
String url = params[0];
String json = params[1];
String result = UrlRequester.post(mContext, url, json);
return result;
}
@Override
protected void onPostExecute(String result)
{
super.onPostExecute(result);
setLead(result);
if (mProgressDialog.isShowing())
mProgressDialog.dismiss();
}
}